PDF Export in Blazor DataGrid Component
14 Oct 202424 minutes to read
PDF export allows exporting DataGrid data to PDF document. You need to use the
PdfExport method for exporting. To enable PDF export in the datagrid, set the AllowPdfExport as true.
@using Syncfusion.Blazor.Grids
<SfGrid ID="Grid" @ref="DefaultGrid" DataSource="@Orders" Toolbar="@(new List<string>() { "PdfExport" })" AllowPdfExport="true" AllowPaging="true">
<GridEvents OnToolbarClick="ToolbarClickHandler" TValue="Order"></GridEvents>
<GridColumns>
<GridColumn Field=@nameof(Order.OrderID) HeaderText="Order ID" TextAlign="TextAlign.Right" Width="120"></GridColumn>
<GridColumn Field=@nameof(Order.CustomerID) HeaderText="Customer Name" Width="150"></GridColumn>
<GridColumn Field=@nameof(Order.OrderDate) HeaderText=" Order Date" Format="d" Type="ColumnType.Date" TextAlign="TextAlign.Right" Width="130"></GridColumn>
<GridColumn Field=@nameof(Order.Freight) HeaderText="Freight" Format="C2" TextAlign="TextAlign.Right" Width="120"></GridColumn>
</GridColumns>
</SfGrid>
@code{
private SfGrid<Order> DefaultGrid;
public List<Order> Orders { get; set; }
public async Task ToolbarClickHandler(Syncfusion.Blazor.Navigations.ClickEventArgs args)
{
if (args.Item.Id == "Grid_pdfexport") //Id is combination of Grid's ID and itemname
{
await this.DefaultGrid.PdfExport();
}
}
protected override void OnInitialized()
{
Orders = Enumerable.Range(1, 75).Select(x => new Order()
{
OrderID = 1000 + x,
CustomerID = (new string[] { "ALFKI", "ANANTR", "ANTON", "BLONP", "BOLID" })[new Random().Next(5)],
Freight = 2.1 * x,
OrderDate = DateTime.Now.AddDays(-x),
}).ToList();
}
public class Order
{
public int? OrderID { get; set; }
public string CustomerID { get; set; }
public DateTime? OrderDate { get; set; }
public double? Freight { get; set; }
}
}To customize PDF export
PDF export provides an option to customize mapping of datagrid to exported PDF document.
File name for exported document
You can assign the file name for the exported document by defining fileName property in PdfExportProperties.
@using Syncfusion.Blazor.Grids
<SfGrid ID="Grid" @ref="DefaultGrid" DataSource="@Orders" Toolbar="@(new List<string>() { "PdfExport" })" AllowPdfExport="true" AllowPaging="true">
<GridEvents OnToolbarClick="ToolbarClickHandler" TValue="Order"></GridEvents>
<GridColumns>
<GridColumn Field=@nameof(Order.OrderID) HeaderText="Order ID" TextAlign="TextAlign.Right" Width="120"></GridColumn>
<GridColumn Field=@nameof(Order.CustomerID) HeaderText="Customer Name" Width="150"></GridColumn>
<GridColumn Field=@nameof(Order.OrderDate) HeaderText=" Order Date" Format="d" Type="ColumnType.Date" TextAlign="TextAlign.Right" Width="130"></GridColumn>
<GridColumn Field=@nameof(Order.Freight) HeaderText="Freight" Format="C2" TextAlign="TextAlign.Right" Width="120"></GridColumn>
</GridColumns>
</SfGrid>
@code{
private SfGrid<Order> DefaultGrid;
public List<Order> Orders { get; set; }
public async Task ToolbarClickHandler(Syncfusion.Blazor.Navigations.ClickEventArgs args)
{
if (args.Item.Id == "Grid_pdfexport") //Id is combination of Grid's ID and itemname
{
PdfExportProperties ExportProperties = new PdfExportProperties();
ExportProperties.FileName = "test.pdf";
await this.DefaultGrid.PdfExport(ExportProperties);
}
}
protected override void OnInitialized()
{
Orders = Enumerable.Range(1, 75).Select(x => new Order()
{
OrderID = 1000 + x,
CustomerID = (new string[] { "ALFKI", "ANANTR", "ANTON", "BLONP", "BOLID" })[new Random().Next(5)],
Freight = 2.1 * x,
OrderDate = DateTime.Now.AddDays(-x),
}).ToList();
}
public class Order
{
public int? OrderID { get; set; }
public string CustomerID { get; set; }
public DateTime? OrderDate { get; set; }
public double? Freight { get; set; }
}
}To add header and footer
You can customize text, page number, line, page size and changing orientation in header and footer of the exported document.
How to add a text in header/footer
You can add text and customize its styles either in Header or Footer of exported PDF document using Header and Footer properties of the PdfExportProperties class.
The following sample code demonstrates adding text and customizing its styles in the Header section of the exported document,
@using Syncfusion.Blazor.Grids
<SfGrid ID="Grid" @ref="DefaultGrid" DataSource="@Orders" Toolbar="@(new List<string>() { "PdfExport" })" AllowPdfExport="true" AllowPaging="true">
<GridEvents OnToolbarClick="ToolbarClickHandler" TValue="Order"></GridEvents>
<GridColumns>
<GridColumn Field=@nameof(Order.OrderID) HeaderText="Order ID" TextAlign="TextAlign.Right" Width="120"></GridColumn>
<GridColumn Field=@nameof(Order.CustomerID) HeaderText="Customer Name" Width="150"></GridColumn>
<GridColumn Field=@nameof(Order.OrderDate) HeaderText=" Order Date" Format="d" Type="ColumnType.Date" TextAlign="TextAlign.Right" Width="130"></GridColumn>
<GridColumn Field=@nameof(Order.Freight) HeaderText="Freight" Format="C2" TextAlign="TextAlign.Right" Width="120"></GridColumn>
</GridColumns>
</SfGrid>
@code{
private SfGrid<Order> DefaultGrid;
public List<Order> Orders { get; set; }
public List<PdfHeaderFooterContent> HeaderContent = new List<PdfHeaderFooterContent>
{
new PdfHeaderFooterContent() { Type = ContentType.Text, Value = "Northwind Traders", Position = new PdfPosition() { X = 0, Y = 50 }, Style = new PdfContentStyle() { TextBrushColor = "#000000", FontSize = 13 } }
};
public async Task ToolbarClickHandler(Syncfusion.Blazor.Navigations.ClickEventArgs args)
{
if (args.Item.Id == "Grid_pdfexport") //Id is combination of Grid's ID and itemname
{
PdfExportProperties ExportProperties = new PdfExportProperties();
PdfHeader Header = new PdfHeader()
{
FromTop = 0,
Height = 130,
Contents = HeaderContent
};
ExportProperties.Header = Header;
await this.DefaultGrid.PdfExport(ExportProperties);
}
}
protected override void OnInitialized()
{
Orders = Enumerable.Range(1, 75).Select(x => new Order()
{
OrderID = 1000 + x,
CustomerID = (new string[] { "ALFKI", "ANANTR", "ANTON", "BLONP", "BOLID" })[new Random().Next(5)],
Freight = 2.1 * x,
OrderDate = DateTime.Now.AddDays(-x),
}).ToList();
}
public class Order
{
public int? OrderID { get; set; }
public string CustomerID { get; set; }
public DateTime? OrderDate { get; set; }
public double? Freight { get; set; }
}
}How to draw a line in header/footer
You can add line either in the Header or Footer area of the exported PDF document using Header and Footer properties of the PdfExportProperties class.
Supported line styles are,
- Dash
- Dot
- DashDot
- DashDotDot
- Solid
The following sample code demonstrates adding line in the Header section of the exported document,
@using Syncfusion.Blazor.Grids
<SfGrid ID="Grid" @ref="DefaultGrid" DataSource="@Orders" Toolbar="@(new List<string>() { "PdfExport" })" AllowPdfExport="true" AllowPaging="true">
<GridEvents OnToolbarClick="ToolbarClickHandler" TValue="Order"></GridEvents>
<GridColumns>
<GridColumn Field=@nameof(Order.OrderID) HeaderText="Order ID" TextAlign="TextAlign.Right" Width="120"></GridColumn>
<GridColumn Field=@nameof(Order.CustomerID) HeaderText="Customer Name" Width="150"></GridColumn>
<GridColumn Field=@nameof(Order.OrderDate) HeaderText=" Order Date" Format="d" Type="ColumnType.Date" TextAlign="TextAlign.Right" Width="130"></GridColumn>
<GridColumn Field=@nameof(Order.Freight) HeaderText="Freight" Format="C2" TextAlign="TextAlign.Right" Width="120"></GridColumn>
</GridColumns>
</SfGrid>
@code{
private SfGrid<Order> DefaultGrid;
public List<Order> Orders { get; set; }
public List<PdfHeaderFooterContent> HeaderContent = new List<PdfHeaderFooterContent>
{
new PdfHeaderFooterContent() { Type = ContentType.Line, Points = new PdfPoints() { X1 = 0, Y1 = 4, X2 = 685, Y2 = 4 }, Style = new PdfContentStyle() { PenColor = "#000080", DashStyle = PdfDashStyle.Solid } }
};
public async Task ToolbarClickHandler(Syncfusion.Blazor.Navigations.ClickEventArgs args)
{
if (args.Item.Id == "Grid_pdfexport") //Id is combination of Grid's ID and itemname
{
PdfExportProperties ExportProperties = new PdfExportProperties();
PdfHeader Header = new PdfHeader()
{
FromTop = 0,
Height = 130,
Contents = HeaderContent
};
ExportProperties.Header = Header;
await this.DefaultGrid.PdfExport(ExportProperties);
}
}
protected override void OnInitialized()
{
Orders = Enumerable.Range(1, 75).Select(x => new Order()
{
OrderID = 1000 + x,
CustomerID = (new string[] { "ALFKI", "ANANTR", "ANTON", "BLONP", "BOLID" })[new Random().Next(5)],
Freight = 2.1 * x,
OrderDate = DateTime.Now.AddDays(-x),
}).ToList();
}
public class Order
{
public int? OrderID { get; set; }
public string CustomerID { get; set; }
public DateTime? OrderDate { get; set; }
public double? Freight { get; set; }
}
}How to add repeat headers in PDF Export
You can add headers for every page of PDF exported document by enabling IsRepeatHeader property of the PdfExportProperties class.
@using Syncfusion.Blazor.Grids
<SfGrid ID="Grid" @ref="DefaultGrid" DataSource="@Orders" Toolbar="@(new List<string>() { "PdfExport" })" AllowPdfExport="true" AllowPaging="true">
<GridEvents OnToolbarClick="ToolbarClickHandler" TValue="Order"></GridEvents>
<GridColumns>
<GridColumn Field=@nameof(Order.OrderID) HeaderText="Order ID" TextAlign="TextAlign.Right" Width="120"></GridColumn>
<GridColumn Field=@nameof(Order.CustomerID) HeaderText="Customer Name" Width="150"></GridColumn>
<GridColumn Field=@nameof(Order.OrderDate) HeaderText=" Order Date" Format="d" Type="ColumnType.Date" TextAlign="TextAlign.Right" Width="130"></GridColumn>
<GridColumn Field=@nameof(Order.Freight) HeaderText="Freight" Format="C2" TextAlign="TextAlign.Right" Width="120"></GridColumn>
</GridColumns>
</SfGrid>
@code{
private SfGrid<Order> DefaultGrid;
public List<Order> Orders { get; set; }
public async Task ToolbarClickHandler(Syncfusion.Blazor.Navigations.ClickEventArgs args)
{
if (args.Item.Id == "Grid_pdfexport") //Id is combination of Grid's ID and itemname
{
PdfExportProperties ExportProperties = new PdfExportProperties();
ExportProperties.IsRepeatHeader = true;
await this.DefaultGrid.PdfExport(ExportProperties);
}
}
protected override void OnInitialized()
{
Orders = Enumerable.Range(1, 75).Select(x => new Order()
{
OrderID = 1000 + x,
CustomerID = (new string[] { "ALFKI", "ANANTR", "ANTON", "BLONP", "BOLID" })[new Random().Next(5)],
Freight = 2.1 * x,
OrderDate = DateTime.Now.AddDays(-x),
}).ToList();
}
public class Order
{
public int? OrderID { get; set; }
public string CustomerID { get; set; }
public DateTime? OrderDate { get; set; }
public double? Freight { get; set; }
}
}How to export the Grid with specific columns
You can export the PDF grid with specific columns instead of all columns which are defined in the Grid definition. To achieve this scenario by using Columns property of the PdfExportProperties class.
@using Syncfusion.Blazor.Grids
<SfGrid ID="Grid" @ref="DefaultGrid" DataSource="@Orders" Toolbar="@(new List<string>() { "PdfExport" })" AllowPdfExport="true" AllowPaging="true">
<GridEvents OnToolbarClick="ToolbarClickHandler" TValue="Order"></GridEvents>
<GridColumns>
<GridColumn Field=@nameof(Order.OrderID) HeaderText="Order ID" TextAlign="TextAlign.Right" Width="120"></GridColumn>
<GridColumn Field=@nameof(Order.CustomerID) HeaderText="Customer Name" Width="150"></GridColumn>
<GridColumn Field=@nameof(Order.OrderDate) HeaderText=" Order Date" Format="d" Type="ColumnType.Date" TextAlign="TextAlign.Right" Width="130"></GridColumn>
<GridColumn Field=@nameof(Order.Freight) HeaderText="Freight" Format="C2" TextAlign="TextAlign.Right" Width="120"></GridColumn>
</GridColumns>
</SfGrid>
@code{
private SfGrid<Order> DefaultGrid;
public List<Order> Orders { get; set; }
public async Task ToolbarClickHandler(Syncfusion.Blazor.Navigations.ClickEventArgs args)
{
if (args.Item.Id == "Grid_pdfexport") //Id is combination of Grid's ID and itemname
{
PdfExportProperties ExportProperties = new PdfExportProperties();
List<GridColumn> ExportColumns = new List<GridColumn>();
#pragma warning disable BL0005
ExportColumns.Add(new GridColumn() { Field = "CustomerID", HeaderText = "Customer Name", Width = "100" });
ExportColumns.Add(new GridColumn() { Field = "OrderDate", HeaderText = "Date", Width = "120", Format = "d" });
ExportColumns.Add(new GridColumn() { Field = "Freight", HeaderText = "Freight", Width = "120", Format = "C2", TextAlign = TextAlign.Right });
#pragma warning restore BL0005
ExportProperties.Columns = ExportColumns;
await this.DefaultGrid.PdfExport(ExportProperties);
}
}
protected override void OnInitialized()
{
Orders = Enumerable.Range(1, 75).Select(x => new Order()
{
OrderID = 1000 + x,
CustomerID = (new string[] { "ALFKI", "ANANTR", "ANTON", "BLONP", "BOLID" })[new Random().Next(5)],
Freight = 2.1 * x,
OrderDate = DateTime.Now.AddDays(-x),
}).ToList();
}
public class Order
{
public int? OrderID { get; set; }
public string CustomerID { get; set; }
public DateTime? OrderDate { get; set; }
public double? Freight { get; set; }
}
}Add page number in header/footer
You can add page number either in Header or Footer area of exported PDF document using Header and Footer properties of the PdfExportProperties class.
Supported page number types are,
- LowerLatin - a, b, c,
- UpperLatin - A, B, C,
- LowerRoman - i, ii, iii,
- UpperRoman - I, II, III,
- Number - 1,2,3.
The following sample code demonstrates adding page number in the Header section of the exported document,
@using Syncfusion.Blazor.Grids
<SfGrid ID="Grid" @ref="DefaultGrid" DataSource="@Orders" Toolbar="@(new List<string>() { "PdfExport" })" AllowPdfExport="true" AllowPaging="true">
<GridEvents OnToolbarClick="ToolbarClickHandler" TValue="Order"></GridEvents>
<GridColumns>
<GridColumn Field=@nameof(Order.OrderID) HeaderText="Order ID" TextAlign="TextAlign.Right" Width="120"></GridColumn>
<GridColumn Field=@nameof(Order.CustomerID) HeaderText="Customer Name" Width="150"></GridColumn>
<GridColumn Field=@nameof(Order.OrderDate) HeaderText=" Order Date" Format="d" Type="ColumnType.Date" TextAlign="TextAlign.Right" Width="130"></GridColumn>
<GridColumn Field=@nameof(Order.Freight) HeaderText="Freight" Format="C2" TextAlign="TextAlign.Right" Width="120"></GridColumn>
</GridColumns>
</SfGrid>
@code{
private SfGrid<Order> DefaultGrid;
public List<Order> Orders { get; set; }
public List<PdfHeaderFooterContent> HeaderContent = new List<PdfHeaderFooterContent>
{
new PdfHeaderFooterContent() { Type = ContentType.PageNumber, PageNumberType = PdfPageNumberType.Arabic, Position = new PdfPosition() { X = 0, Y = 25 }, Style = new PdfContentStyle() { TextBrushColor = "#0000ff", FontSize = 12, HAlign = PdfHorizontalAlign.Center } }
};
public async Task ToolbarClickHandler(Syncfusion.Blazor.Navigations.ClickEventArgs args)
{
if (args.Item.Id == "Grid_pdfexport") //Id is combination of Grid's ID and itemname
{
PdfExportProperties ExportProperties = new PdfExportProperties();
PdfHeader Header = new PdfHeader()
{
FromTop = 0,
Height = 130,
Contents = HeaderContent
};
ExportProperties.Header = Header;
await this.DefaultGrid.PdfExport(ExportProperties);
}
}
protected override void OnInitialized()
{
Orders = Enumerable.Range(1, 75).Select(x => new Order()
{
OrderID = 1000 + x,
CustomerID = (new string[] { "ALFKI", "ANANTR", "ANTON", "BLONP", "BOLID" })[new Random().Next(5)],
Freight = 2.1 * x,
OrderDate = DateTime.Now.AddDays(-x),
}).ToList();
}
public class Order
{
public int? OrderID { get; set; }
public string CustomerID { get; set; }
public DateTime? OrderDate { get; set; }
public double? Freight { get; set; }
}
}Insert an image in header/footer
Image (Base64 string) can be added in header/footer area of the exported PDF document using Header and Footer properties of the PdfExportProperties class.
The following sample code demonstrates inserting image in the Header section of the exported document,
@using Syncfusion.Blazor.Grids
<SfGrid ID="Grid" @ref="DefaultGrid" DataSource="@Orders" Toolbar="@(new List<string>() { "PdfExport" })" AllowPdfExport="true" AllowPaging="true">
<GridEvents OnToolbarClick="ToolbarClickHandler" TValue="Order"></GridEvents>
<GridColumns>
<GridColumn Field=@nameof(Order.OrderID) HeaderText="Order ID" TextAlign="TextAlign.Right" Width="120"></GridColumn>
<GridColumn Field=@nameof(Order.CustomerID) HeaderText="Customer Name" Width="150"></GridColumn>
<GridColumn Field=@nameof(Order.OrderDate) HeaderText=" Order Date" Format="d" Type="ColumnType.Date" TextAlign="TextAlign.Right" Width="130"></GridColumn>
<GridColumn Field=@nameof(Order.Freight) HeaderText="Freight" Format="C2" TextAlign="TextAlign.Right" Width="120"></GridColumn>
</GridColumns>
</SfGrid>
@code{
private SfGrid<Order> DefaultGrid;
public List<Order> Orders { get; set; }
public List<PdfHeaderFooterContent> HeaderContent = new List<PdfHeaderFooterContent>
{
new PdfHeaderFooterContent() { Type = ContentType.Image, Src = 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", Position = new PdfPosition() { X = 40, Y = 10 }, Size = new PdfSize() { Height = 100, Width = 250 } }
};
public async Task ToolbarClickHandler(Syncfusion.Blazor.Navigations.ClickEventArgs args)
{
if (args.Item.Id == "Grid_pdfexport") //Id is combination of Grid's ID and itemname
{
PdfExportProperties ExportProperties = new PdfExportProperties();
PdfHeader Header = new PdfHeader()
{
FromTop = 0,
Height = 130,
Contents = HeaderContent
};
ExportProperties.Header = Header;
await this.DefaultGrid.PdfExport(ExportProperties);
}
}
protected override void OnInitialized()
{
Orders = Enumerable.Range(1, 75).Select(x => new Order()
{
OrderID = 1000 + x,
CustomerID = (new string[] { "ALFKI", "ANANTR", "ANTON", "BLONP", "BOLID" })[new Random().Next(5)],
Freight = 2.1 * x,
OrderDate = DateTime.Now.AddDays(-x),
}).ToList();
}
public class Order
{
public int? OrderID { get; set; }
public string CustomerID { get; set; }
public DateTime? OrderDate { get; set; }
public double? Freight { get; set; }
}
}How to change page orientation
Page orientation can be changed Landscape(Default Portrait) for the exported document using the export properties.
@using Syncfusion.Blazor.Grids
<SfGrid ID="Grid" @ref="DefaultGrid" DataSource="@Orders" Toolbar="@(new List<string>() { "PdfExport" })" AllowPdfExport="true" AllowPaging="true">
<GridEvents OnToolbarClick="ToolbarClickHandler" TValue="Order"></GridEvents>
<GridColumns>
<GridColumn Field=@nameof(Order.OrderID) HeaderText="Order ID" TextAlign="TextAlign.Right" Width="120"></GridColumn>
<GridColumn Field=@nameof(Order.CustomerID) HeaderText="Customer Name" Width="150"></GridColumn>
<GridColumn Field=@nameof(Order.OrderDate) HeaderText=" Order Date" Format="d" Type="ColumnType.Date" TextAlign="TextAlign.Right" Width="130"></GridColumn>
<GridColumn Field=@nameof(Order.Freight) HeaderText="Freight" Format="C2" TextAlign="TextAlign.Right" Width="120"></GridColumn>
</GridColumns>
</SfGrid>
@code{
private SfGrid<Order> DefaultGrid;
public List<Order> Orders { get; set; }
public async Task ToolbarClickHandler(Syncfusion.Blazor.Navigations.ClickEventArgs args)
{
if (args.Item.Id == "Grid_pdfexport") //Id is combination of Grid's ID and itemname
{
PdfExportProperties ExportProperties = new PdfExportProperties();
ExportProperties.PageOrientation = Syncfusion.Blazor.Grids.PageOrientation.Landscape;
await this.DefaultGrid.PdfExport(ExportProperties);
}
}
protected override void OnInitialized()
{
Orders = Enumerable.Range(1, 75).Select(x => new Order()
{
OrderID = 1000 + x,
CustomerID = (new string[] { "ALFKI", "ANANTR", "ANTON", "BLONP", "BOLID" })[new Random().Next(5)],
Freight = 2.1 * x,
OrderDate = DateTime.Now.AddDays(-x),
}).ToList();
}
public class Order
{
public int? OrderID { get; set; }
public string CustomerID { get; set; }
public DateTime? OrderDate { get; set; }
public double? Freight { get; set; }
}
}How to change page size
Page size can be customized for the exported document using the export properties.
Supported page sizes are:
- Letter
- Note
- Legal
- A0
- A1
- A2
- A3
- A5
- A6
- A7
- A8
- A9
- B0
- B1
- B2
- B3
- B4
- B5
- Archa
- Archb
- Archc
- Archd
- Arche
- Flsa
- HalfLetter
- Letter11x17
- Ledger
@using Syncfusion.Blazor.Grids
<SfGrid ID="Grid" @ref="DefaultGrid" DataSource="@Orders" Toolbar="@(new List<string>() { "PdfExport" })" AllowPdfExport="true" AllowPaging="true">
<GridEvents OnToolbarClick="ToolbarClickHandler" TValue="Order"></GridEvents>
<GridColumns>
<GridColumn Field=@nameof(Order.OrderID) HeaderText="Order ID" TextAlign="TextAlign.Right" Width="120"></GridColumn>
<GridColumn Field=@nameof(Order.CustomerID) HeaderText="Customer Name" Width="150"></GridColumn>
<GridColumn Field=@nameof(Order.OrderDate) HeaderText=" Order Date" Format="d" Type="ColumnType.Date" TextAlign="TextAlign.Right" Width="130"></GridColumn>
<GridColumn Field=@nameof(Order.Freight) HeaderText="Freight" Format="C2" TextAlign="TextAlign.Right" Width="120"></GridColumn>
</GridColumns>
</SfGrid>
@code{
private SfGrid<Order> DefaultGrid;
public List<Order> Orders { get; set; }
public async Task ToolbarClickHandler(Syncfusion.Blazor.Navigations.ClickEventArgs args)
{
if (args.Item.Id == "Grid_pdfexport") //Id is combination of Grid's ID and itemname
{
PdfExportProperties ExportProperties = new PdfExportProperties();
ExportProperties.PageSize = PdfPageSize.Letter;
await this.DefaultGrid.PdfExport(ExportProperties);
}
}
protected override void OnInitialized()
{
Orders = Enumerable.Range(1, 75).Select(x => new Order()
{
OrderID = 1000 + x,
CustomerID = (new string[] { "ALFKI", "ANANTR", "ANTON", "BLONP", "BOLID" })[new Random().Next(5)],
Freight = 2.1 * x,
OrderDate = DateTime.Now.AddDays(-x),
}).ToList();
}
public class Order
{
public int? OrderID { get; set; }
public string CustomerID { get; set; }
public DateTime? OrderDate { get; set; }
public double? Freight { get; set; }
}
}Export current page
PDF export provides an option to export the current page into PDF. To export current page, define the exportType to CurrentPage.
@using Syncfusion.Blazor.Grids
<SfGrid ID="Grid" @ref="DefaultGrid" DataSource="@Orders" Toolbar="@(new List<string>() { "PdfExport" })" AllowPdfExport="true" AllowPaging="true">
<GridEvents OnToolbarClick="ToolbarClickHandler" TValue="Order"></GridEvents>
<GridColumns>
<GridColumn Field=@nameof(Order.OrderID) HeaderText="Order ID" TextAlign="TextAlign.Right" Width="120"></GridColumn>
<GridColumn Field=@nameof(Order.CustomerID) HeaderText="Customer Name" Width="150"></GridColumn>
<GridColumn Field=@nameof(Order.OrderDate) HeaderText=" Order Date" Format="d" Type="ColumnType.Date" TextAlign="TextAlign.Right" Width="130"></GridColumn>
<GridColumn Field=@nameof(Order.Freight) HeaderText="Freight" Format="C2" TextAlign="TextAlign.Right" Width="120"></GridColumn>
</GridColumns>
</SfGrid>
@code{
private SfGrid<Order> DefaultGrid;
public List<Order> Orders { get; set; }
public async Task ToolbarClickHandler(Syncfusion.Blazor.Navigations.ClickEventArgs args)
{
if (args.Item.Id == "Grid_pdfexport") //Id is combination of Grid's ID and itemname
{
PdfExportProperties ExportProperties = new PdfExportProperties();
ExportProperties.ExportType = ExportType.CurrentPage;
await this.DefaultGrid.PdfExport(ExportProperties);
}
}
protected override void OnInitialized()
{
Orders = Enumerable.Range(1, 75).Select(x => new Order()
{
OrderID = 1000 + x,
CustomerID = (new string[] { "ALFKI", "ANANTR", "ANTON", "BLONP", "BOLID" })[new Random().Next(5)],
Freight = 2.1 * x,
OrderDate = DateTime.Now.AddDays(-x),
}).ToList();
}
public class Order
{
public int? OrderID { get; set; }
public string CustomerID { get; set; }
public DateTime? OrderDate { get; set; }
public double? Freight { get; set; }
}
}Export hidden columns
PDF export provides an option to export hidden columns of DataGrid by defining the IncludeHiddenColumn as true.
@using Syncfusion.Blazor.Grids
<SfGrid ID="Grid" @ref="DefaultGrid" DataSource="@Orders" Toolbar="@(new List<string>() { "PdfExport" })" AllowPdfExport="true" AllowPaging="true">
<GridEvents OnToolbarClick="ToolbarClickHandler" TValue="Order"></GridEvents>
<GridColumns>
<GridColumn Field=@nameof(Order.OrderID) HeaderText="Order ID" TextAlign="TextAlign.Right" Width="120"></GridColumn>
<GridColumn Field=@nameof(Order.CustomerID) HeaderText="Customer Name" Width="150"></GridColumn>
<GridColumn Field=@nameof(Order.OrderDate) HeaderText=" Order Date" Format="d" Type="ColumnType.Date" TextAlign="TextAlign.Right" Width="130"></GridColumn>
<GridColumn Field=@nameof(Order.Freight) HeaderText="Freight" Visible="false" Format="C2" TextAlign="TextAlign.Right" Width="120"></GridColumn>
</GridColumns>
</SfGrid>
@code{
private SfGrid<Order> DefaultGrid;
public List<Order> Orders { get; set; }
public async Task ToolbarClickHandler(Syncfusion.Blazor.Navigations.ClickEventArgs args)
{
if (args.Item.Id == "Grid_pdfexport") //Id is combination of Grid's ID and itemname
{
PdfExportProperties ExportProperties = new PdfExportProperties();
ExportProperties.IncludeHiddenColumn = true;
await this.DefaultGrid.PdfExport(ExportProperties);
}
}
protected override void OnInitialized()
{
Orders = Enumerable.Range(1, 75).Select(x => new Order()
{
OrderID = 1000 + x,
CustomerID = (new string[] { "ALFKI", "ANANTR", "ANTON", "BLONP", "BOLID" })[new Random().Next(5)],
Freight = 2.1 * x,
OrderDate = DateTime.Now.AddDays(-x),
}).ToList();
}
public class Order
{
public int? OrderID { get; set; }
public string CustomerID { get; set; }
public DateTime? OrderDate { get; set; }
public double? Freight { get; set; }
}
}Export the selected records only
The Grid has an option to export the selected records in a pdf exported document. This can be achieved by using the DataSource property of the PdfExportProperties class and the GetSelectedRecordsAsync method of the Grid.
In the following sample, selected records will be gotten from the GetSelectedRecordsAsync method and provided to the DataSource property of PdfExportProperties. Then pass this PdfExportProperties class to the ExportToPdfAsync method to get the selected records in the exported document.
@using Syncfusion.Blazor.Grids
<SfGrid ID="Grid" @ref="DefaultGrid" DataSource="@Orders" AllowPdfExport="true" AllowPaging="true"
Toolbar="@(new List<string>() { "PdfExport" })" AllowSelection="true">
<GridEvents OnToolbarClick="OnToolbarClick" TValue="Order"></GridEvents>
<GridSelectionSettings Type="SelectionType.Multiple"></GridSelectionSettings>
<GridColumns>
<GridColumn Field=@nameof(Order.OrderID) HeaderText="Order ID" TextAlign="TextAlign.Right" Width="120"></GridColumn>
<GridColumn Field=@nameof(Order.CustomerID) HeaderText="Customer Name" Width="150"></GridColumn>
<GridColumn Field=@nameof(Order.OrderDate) HeaderText=" Order Date" Format="d" Type="ColumnType.Date" TextAlign="TextAlign.Right" Width="130"></GridColumn>
<GridColumn Field=@nameof(Order.Freight) HeaderText="Freight" Format="C2" TextAlign="TextAlign.Right" Width="120"></GridColumn>
</GridColumns>
</SfGrid>
@code{
private SfGrid<Order> DefaultGrid;
public List<Order> Orders { get; set; }
public async Task OnToolbarClick(Syncfusion.Blazor.Navigations.ClickEventArgs args)
{
if (args.Item.Id == "Grid_pdfexport") //Id is combination of Grid's ID and itemname
{
PdfExportProperties PdfProperties = new PdfExportProperties();
var selectedRecord = await DefaultGrid.GetSelectedRecordsAsync();
if(selectedRecord.Count() > 0)
{
PdfProperties.DataSource = selectedRecord;
}
else
{
PdfProperties.DataSource = Orders;
}
await this.DefaultGrid.ExportToPdfAsync(PdfProperties);
}
}
protected override void OnInitialized()
{
Orders = Enumerable.Range(1, 15).Select(x => new Order()
{
OrderID = 1000 + x,
CustomerID = (new string[] { "ALFKI", "ANANTR", "ANTON", "BLONP", "BOLID" })[new Random().Next(5)],
ShipCountry = (new string[] { "Germany", "UK", "USA", "Italy", "France" })[new Random().Next(5)],
Freight = 2.1 * x,
OrderDate = DateTime.Now.AddDays(-x),
}).ToList();
}
public class Order
{
public int? OrderID { get; set; }
public string CustomerID { get; set; }
public string ShipCountry { get; set; }
public DateTime? OrderDate { get; set; }
public double? Freight { get; set; }
}
}Theme
PDF export provides an option to include theme for exported PDF document.
To apply theme in exported PDF, define the theme in export properties.
@using Syncfusion.Blazor.Grids
<SfGrid ID="Grid" @ref="DefaultGrid" DataSource="@Orders" Toolbar="@(new List<string>() { "PdfExport" })" AllowPdfExport="true" AllowPaging="true">
<GridEvents OnToolbarClick="ToolbarClickHandler" TValue="Order"></GridEvents>
<GridColumns>
<GridColumn Field=@nameof(Order.OrderID) HeaderText="Order ID" TextAlign="TextAlign.Right" Width="120"></GridColumn>
<GridColumn Field=@nameof(Order.CustomerID) HeaderText="Customer Name" Width="150"></GridColumn>
<GridColumn Field=@nameof(Order.OrderDate) HeaderText=" Order Date" Format="d" Type="ColumnType.Date" TextAlign="TextAlign.Right" Width="130"></GridColumn>
<GridColumn Field=@nameof(Order.Freight) HeaderText="Freight" Visible="false" Format="C2" TextAlign="TextAlign.Right" Width="120"></GridColumn>
</GridColumns>
</SfGrid>
@code{
private SfGrid<Order> DefaultGrid;
public List<Order> Orders { get; set; }
public async Task ToolbarClickHandler(Syncfusion.Blazor.Navigations.ClickEventArgs args)
{
if (args.Item.Id == "Grid_pdfexport") //Id is combination of Grid's ID and itemname
{
PdfExportProperties ExportProperties = new PdfExportProperties();
PdfTheme Theme = new PdfTheme();
PdfBorder HeaderBorder = new PdfBorder();
HeaderBorder.Color = "#64FA50";
PdfThemeStyle HeaderThemeStyle = new PdfThemeStyle()
{
FontColor = "#64FA50",
FontName = "Calibri",
FontSize = 17,
Bold = true,
Border = HeaderBorder
};
Theme.Header = HeaderThemeStyle;
PdfThemeStyle RecordThemeStyle = new PdfThemeStyle()
{
FontColor = "#64FA50",
FontName = "Calibri",
FontSize = 17
};
Theme.Record = RecordThemeStyle;
PdfThemeStyle CaptionThemeStyle = new PdfThemeStyle()
{
FontColor = "#64FA50",
FontName = "Calibri",
FontSize = 17,
Bold = true
};
Theme.Caption = CaptionThemeStyle;
ExportProperties.Theme = Theme;
await this.DefaultGrid.PdfExport(ExportProperties);
}
}
protected override void OnInitialized()
{
Orders = Enumerable.Range(1, 75).Select(x => new Order()
{
OrderID = 1000 + x,
CustomerID = (new string[] { "ALFKI", "ANANTR", "ANTON", "BLONP", "BOLID" })[new Random().Next(5)],
Freight = 2.1 * x,
OrderDate = DateTime.Now.AddDays(-x),
}).ToList();
}
public class Order
{
public int? OrderID { get; set; }
public string CustomerID { get; set; }
public DateTime? OrderDate { get; set; }
public double? Freight { get; set; }
}
}NOTE
By default, material theme is applied to exported PDF document.
Customize column width in exported PDF document
The PDF export provides an option to customize the column being exported to a PDF format using the Columns property of the PdfExportProperties class. While defining the column, we can change its width as per the requirement.
In the following code sample, we have customized the column width for the PDF exported grid by enabling the DisableAutoFitWidth property of the PdfExportProperties class.
@using Syncfusion.Blazor.Buttons
@using Syncfusion.Blazor.Grids
<SfButton OnClick="PdfExport" Content="Pdf Export"></SfButton>
<SfGrid @ref="DefaultGrid" DataSource="@Orders" AllowPdfExport="true" AllowPaging="true">
<GridColumns>
<GridColumn Field=@nameof(Order.OrderID) HeaderText="Order ID" TextAlign="TextAlign.Right" Width="120"></GridColumn>
<GridColumn Field=@nameof(Order.CustomerID) HeaderText="Customer Name" Width="150"></GridColumn>
<GridColumn Field=@nameof(Order.OrderDate) HeaderText=" Order Date" Format="d" Type="ColumnType.Date" TextAlign="TextAlign.Right" Width="130"></GridColumn>
</GridColumns>
</SfGrid>
@code{
private SfGrid<Order> DefaultGrid;
public List<Order> Orders { get; set; }
protected override void OnInitialized()
{
Orders = Enumerable.Range(1, 75).Select(x => new Order()
{
OrderID = 1000 + x,
CustomerID = (new string[] { "ALFKI", "ANANTR", "ANTON", "BLONP", "BOLID" })[new Random().Next(5)],
Freight = 2.1 * x,
OrderDate = DateTime.Now.AddDays(-x),
}).ToList();
}
public class Order
{
public int? OrderID { get; set; }
public string CustomerID { get; set; }
public DateTime? OrderDate { get; set; }
public double? Freight { get; set; }
}
public async Task PdfExport()
{
PdfExportProperties ExportProperties = new PdfExportProperties();
ExportProperties.DisableAutoFitWidth = true;
ExportProperties.Columns = new List<GridColumn>()
{
new GridColumn(){ Field="OrderID", HeaderText="Order ID", TextAlign=TextAlign.Left, Width="300"},
new GridColumn(){ Field="CustomerID", HeaderText="Customer Name", TextAlign=TextAlign.Left, Width="100"},
new GridColumn(){ Field="OrderDate", HeaderText=" Order Date", Type=ColumnType.Date, Format="d", TextAlign=TextAlign.Left, Width="80"}
};
await this.DefaultGrid.PdfExport(ExportProperties);
}
}NOTE
You can find the fully working sample here.
Grid cell customization in PDF export
DataGrid has support to customize the column header and content styles, such as changing text orientation, the font color, the width of the header and content text, and so on in the exported PDF file. To achieve this requirement, define the BeginCellLayout event of the PdfExportProperties with an event handler to perform the required action.
The PdfHeaderQueryCellInfoEvent will be triggered when creating a column header for the pdf document to be exported. Collect the column header details in this event and handle the custom in the BeginCellLayout event handler.
In the following demo, the DrawString method from the Graphics is used to rotate the header text of the column header inside the BeginCellLayout event handler.
@using Syncfusion.Blazor.Grids
@using Syncfusion.Pdf.Graphics
@using Syncfusion.PdfExport
@using System.Drawing
@using Syncfusion.Pdf
<SfGrid ID="Grid" @ref="DefaultGrid" DataSource="@Orders" GridLines="GridLine.Both" Toolbar="@(new List<string>() {"PdfExport" })" AllowPdfExport="true" AllowPaging="true">
<GridEvents OnToolbarClick="ToolbarClickHandler" PdfHeaderQueryCellInfoEvent="PdfHeaderQueryCellInfoHandler" TValue="Order"></GridEvents>
<GridColumns>
<GridColumn Field=@nameof(Order.OrderID) HeaderText="Order ID" TextAlign="Syncfusion.Blazor.Grids.TextAlign.Center" Width="120"></GridColumn>
<GridColumn Field=@nameof(Order.CustomerID) HeaderText="Customer ID" TextAlign="Syncfusion.Blazor.Grids.TextAlign.Center" Width="150"></GridColumn>
<GridColumn Field=@nameof(Order.OrderDate) HeaderText="Order Date" Format="d" Type="ColumnType.Date" TextAlign="Syncfusion.Blazor.Grids.TextAlign.Center" Width="130"></GridColumn>
<GridColumn Field=@nameof(Order.Freight) HeaderText="Freight" Format="C2" TextAlign="Syncfusion.Blazor.Grids.TextAlign.Center" Width="120"></GridColumn>
</GridColumns>
</SfGrid>
@code{
public SfGrid<Order> DefaultGrid;
public List<Order> Orders { get; set; }
List<string> headerValues = new List<string>();
public async Task ToolbarClickHandler(Syncfusion.Blazor.Navigations.ClickEventArgs args)
{
if (args.Item.Id == "Grid_pdfexport") // Id is combination of Grid's ID and itemname.
{
PdfExportProperties ExportProperties = new PdfExportProperties();
ExportProperties.BeginCellLayout = new PdfGridBeginCellLayoutEventHandler(BeginCellEvent);
ExportProperties.FileName = "test.pdf";
ExportProperties.IsRepeatHeader = true;
await this.DefaultGrid.PdfExport(ExportProperties);
}
}
public void BeginCellEvent(object sender, PdfGridBeginCellLayoutEventArgs args)
{
PdfGrid grid = (PdfGrid)sender;
var brush = new Syncfusion.PdfExport.PdfSolidBrush(new Syncfusion.PdfExport.PdfColor(Color.DimGray));
args.Graphics.Save();
args.Graphics.TranslateTransform(args.Bounds.X + 50, args.Bounds.Height + 40);
args.Graphics.RotateTransform(-60);
// Draw the text at particular bounds.
args.Graphics.DrawString(headerValues[args.CellIndex], new Syncfusion.PdfExport.PdfStandardFont(Syncfusion.PdfExport.PdfFontFamily.Helvetica, 10), brush, new PointF(0, 0));
if (args.IsHeaderRow)
{
grid.Headers[0].Cells[args.CellIndex].Value = string.Empty;
}
args.Graphics.Restore();
}
public void PdfHeaderQueryCellInfoHandler(PdfHeaderQueryCellInfoEventArgs args)
{
headerValues.Add(args.Column.HeaderText);
var longestString = headerValues.Where(s => s.Length == headerValues.Max(m => m.Length)).
First();
Syncfusion.PdfExport.PdfFont font = new Syncfusion.PdfExport.PdfStandardFont(Syncfusion.PdfExport.PdfFontFamily.Helvetica, 6);
SizeF size = font.MeasureString(longestString);
args.PdfGridColumn.Grid.Headers[0].Height = size.Width * 2;
}
protected override void OnInitialized()
{
Orders = Enumerable.Range(1, 75).Select(x => new Order()
{
OrderID = 1000 + x,
CustomerID = (new string[] { "ALFKI", "ANANTR", "ANTON", "BLONP", "BOLID" })[new Random().Next(5)],
Freight = 2.1 * x,
OrderDate = DateTime.Now.AddDays(-x),
}).ToList();
}
public class Order
{
public int? OrderID { get; set; }
public string CustomerID { get; set; }
public DateTime? OrderDate { get; set; }
public double? Freight { get; set; }
}
}
<style>
.e-grid .e-header {
font-weight: bold !important;
}
.e-grid .e-columnheader .e-headercell {
height: 100px;
transform: rotate(-60deg); // This is used to rotate the header text.
}
</style>
Custom data source
PDF export provides an option to define the datasource dynamically before exporting. To export data dynamically, define it in the DataSource property of the PdfExportProperties class
The following sample code demonstrates dynamically modifying the data source before exporting it,
@using Syncfusion.Blazor.Grids
<SfGrid ID="Grid" @ref="DefaultGrid" DataSource="@Orders" Toolbar="@(new List<string>() { "PdfExport" })" AllowPdfExport="true" AllowPaging="true">
<GridEvents OnToolbarClick="ToolbarClickHandler" TValue="Order"></GridEvents>
<GridColumns>
<GridColumn Field=@nameof(Order.OrderID) HeaderText="Order ID" TextAlign="TextAlign.Right" Width="120"></GridColumn>
<GridColumn Field=@nameof(Order.CustomerID) HeaderText="Customer Name" Width="150"></GridColumn>
<GridColumn Field=@nameof(Order.OrderDate) HeaderText=" Order Date" Format="d" Type="ColumnType.Date" TextAlign="TextAlign.Right" Width="130"></GridColumn>
<GridColumn Field=@nameof(Order.Freight) HeaderText="Freight" Visible="false" Format="C2" TextAlign="TextAlign.Right" Width="120"></GridColumn>
</GridColumns>
</SfGrid>
@code{
private SfGrid<Order> DefaultGrid;
public List<Order> Orders { get; set; }
public async Task ToolbarClickHandler(Syncfusion.Blazor.Navigations.ClickEventArgs args)
{
if (args.Item.Id == "Grid_pdfexport") //Id is combination of Grid's ID and itemname
{
PdfExportProperties PdfProperties = new PdfExportProperties();
PdfProperties.DataSource = Orders;
await this.DefaultGrid.PdfExport(PdfProperties);
}
}
protected override void OnInitialized()
{
Orders = Enumerable.Range(1, 75).Select(x => new Order()
{
OrderID = 1000 + x,
CustomerID = (new string[] { "ALFKI", "ANANTR", "ANTON", "BLONP", "BOLID" })[new Random().Next(5)],
Freight = 2.1 * x,
OrderDate = DateTime.Now.AddDays(-x),
}).ToList();
}
public class Order
{
public int? OrderID { get; set; }
public string CustomerID { get; set; }
public DateTime? OrderDate { get; set; }
public double? Freight { get; set; }
}
}Exporting Grid Data as Stream
Exporting Grid Data as Memory Stream
This section shows how to invoke a ExportToPdfAsync method to export a pdf document as a memory stream.
To obtain the export file as a memory stream, set the asMemoryStream parameter to true within the ExportToPdfAsync method.
The provided example showcases the process of exporting the file as a memory stream and sending the byte to initiate a browser download.
Step 1: Create a JavaScript file to execute browser downloads and copy the code below
function saveAsFile(filename, bytesBase64) {
var link = document.createElement('a');
link.download = filename;
link.href = "data:application/octet-stream;base64," + bytesBase64;
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
}Step 2: Invoke the JavaScript file to carry out browser downloads using the memory stream
@using Syncfusion.Blazor.Grids
@using System.IO;
@using Syncfusion.Pdf
@using Syncfusion.XlsIO
@using Syncfusion.PdfExport;
@using Syncfusion.ExcelExport;
@inject IJSRuntime JSRuntime
<SfGrid ID="Grid" @ref="DefaultGrid" DataSource="@Orders" Toolbar="@(new List<string>() { "PdfExport" })" AllowPdfExport="true" AllowPaging="true">
<GridEvents OnToolbarClick="ToolbarClickHandler" TValue="Order"></GridEvents>
<GridColumns>
<GridColumn Field=@nameof(Order.OrderID) HeaderText="Order ID" TextAlign="TextAlign.Right" Width="120"></GridColumn>
<GridColumn Field=@nameof(Order.CustomerID) HeaderText="Customer Name" Width="150"></GridColumn>
<GridColumn Field=@nameof(Order.OrderDate) HeaderText=" Order Date" Format="d" Type="ColumnType.Date" TextAlign="TextAlign.Right" Width="130"></GridColumn>
<GridColumn Field=@nameof(Order.Freight) HeaderText="Freight" Format="C2" TextAlign="TextAlign.Right" Width="120"></GridColumn>
</GridColumns>
</SfGrid>
@code{
private SfGrid<Order> DefaultGrid;
public List<Order> Orders { get; set; }
public async Task ToolbarClickHandler(Syncfusion.Blazor.Navigations.ClickEventArgs args)
{
if (args.Item.Id == "Grid_pdfexport") //Id is combination of Grid's ID and itemname
{
MemoryStream streamDoc = await DefaultGrid.ExportToPdfAsync(asMemoryStream: true);
await JSRuntime.InvokeVoidAsync("saveAsFile", new object[] {"PdfMemoryStream.pdf", Convert.ToBase64String(streamDoc.ToArray()), true });
}
}
public List<Order> GetAllRecords()
{
List<Order> data = new List<Order>();
int count = 1000;
for (int i = 0; i < 15; i++)
{
data.Add(new Order() { OrderID = count + 1, CustomerID = "ALFKI", OrderDate = new DateTime(1995, 05, 15), Freight = 25.7 * 2 });
data.Add(new Order() { OrderID = count + 2, CustomerID = "ANANTR", OrderDate = new DateTime(1994, 04, 04), Freight = 26.7 * 2 });
data.Add(new Order() { OrderID = count + 3, CustomerID = "BLONP", OrderDate = new DateTime(1993, 03, 10), Freight = 27.7 * 2 });
data.Add(new Order() { OrderID = count + 4, CustomerID = "ANTON", OrderDate = new DateTime(1992, 02, 14), Freight = 28.7 * 2 });
data.Add(new Order() { OrderID = count + 5, CustomerID = "BOLID", OrderDate = new DateTime(1991, 01, 18), Freight = 29.7 * 2 });
count += 5;
}
return data;
}
protected override void OnInitialized()
{
Orders = GetAllRecords();
}
public class Order
{
public int? OrderID { get; set; }
public string CustomerID { get; set; }
public DateTime? OrderDate { get; set; }
public double? Freight { get; set; }
}
}Converting Memory Stream to File Stream for PDF Export
This section explains the process of converting a memory stream obtained from the ExportToPdfAsync method into a file stream to export pdf document.
The example provided demonstrates this process of exporting the pdf document from the file stream.
@using Syncfusion.Blazor.Grids
@using System.IO;
@using Syncfusion.Pdf
@using Syncfusion.XlsIO
@using Syncfusion.PdfExport;
@using Syncfusion.ExcelExport;
@inject IJSRuntime JSRuntime
<SfGrid ID="Grid" @ref="DefaultGrid" DataSource="@Orders" Toolbar="@(new List<string>() { "PdfExport" })" AllowPdfExport="true" AllowPaging="true">
<GridEvents OnToolbarClick="ToolbarClickHandler" TValue="Order"></GridEvents>
<GridColumns>
<GridColumn Field=@nameof(Order.OrderID) HeaderText="Order ID" TextAlign="TextAlign.Right" Width="120"></GridColumn>
<GridColumn Field=@nameof(Order.CustomerID) HeaderText="Customer Name" Width="150"></GridColumn>
<GridColumn Field=@nameof(Order.OrderDate) HeaderText=" Order Date" Format="d" Type="ColumnType.Date" TextAlign="TextAlign.Right" Width="130"></GridColumn>
<GridColumn Field=@nameof(Order.Freight) HeaderText="Freight" Format="C2" TextAlign="TextAlign.Right" Width="120"></GridColumn>
</GridColumns>
</SfGrid>
@code{
private SfGrid<Order> DefaultGrid;
public List<Order> Orders { get; set; }
public async Task ToolbarClickHandler(Syncfusion.Blazor.Navigations.ClickEventArgs args)
{
if (args.Item.Id == "Grid_pdfexport") //Id is combination of Grid's ID and itemname
{
//Memory stream to file stream exporting
MemoryStream streamDoc1 = await DefaultGrid.ExportToPdfAsync(asMemoryStream: true);
//Create a copy of streamDoc1
MemoryStream copyOfStreamDoc1 = new MemoryStream(streamDoc1.ToArray());
//For creating the exporting location with file name, for this need to specify the physical exact path of the file
string filePaths = "C:Users/abc/Downloads/SampleTestPdf.pdf";
// Create a FileStream to write the moryStream contents to a file
using (FileStream fileStream = File.Create(filePaths))
{
// Copy the MemoryStream data to the FileStream
copyOfStreamDoc1.CopyTo(fileStream);
}
}
}
public List<Order> GetAllRecords()
{
List<Order> data = new List<Order>();
int count = 1000;
for (int i = 0; i < 15; i++)
{
data.Add(new Order() { OrderID = count + 1, CustomerID = "ALFKI", OrderDate = new DateTime(1995, 05, 15), Freight = 25.7 * 2 });
data.Add(new Order() { OrderID = count + 2, CustomerID = "ANANTR", OrderDate = new DateTime(1994, 04, 04), Freight = 26.7 * 2 });
data.Add(new Order() { OrderID = count + 3, CustomerID = "BLONP", OrderDate = new DateTime(1993, 03, 10), Freight = 27.7 * 2 });
data.Add(new Order() { OrderID = count + 4, CustomerID = "ANTON", OrderDate = new DateTime(1992, 02, 14), Freight = 28.7 * 2 });
data.Add(new Order() { OrderID = count + 5, CustomerID = "BOLID", OrderDate = new DateTime(1991, 01, 18), Freight = 29.7 * 2 });
count += 5;
}
return data;
}
protected override void OnInitialized()
{
Orders = GetAllRecords();
}
public class Order
{
public int? OrderID { get; set; }
public string CustomerID { get; set; }
public DateTime? OrderDate { get; set; }
public double? Freight { get; set; }
}
}Merging Two PDF Memory Streams
This section explains the process of combining two memory stream files and exporting the resulting merged file as a PDF document. To accomplish this, you can use the PDF documents Merge method available in the PdfDocumentBase class, class. To achieve this functionality, you can utilize the Syncfusion.Blazor.Pdf package.
The provided example demonstrates the merging of two memory streams and exporting the resulting merged memory stream for browser download.
In this example, there are two memory streams: streamDoc1 and streamDoc2. streamDoc1 represents the normal grid memory stream, while streamDoc2 contains the memory stream of a customized grid using the PdfExportProperties class. The merging process combines these streams into a new PDF document, converting it into a memory stream. This merged memory stream is then utilized to initiate the browser download.
@using Syncfusion.Blazor.Grids
@using System.IO;
@using Syncfusion.PdfExport;
@using Syncfusion.Pdf
@inject IJSRuntime JSRuntime
<SfGrid ID="Grid" @ref="DefaultGrid" DataSource="@Orders" Toolbar="@(new List<string>() { "PdfExport" })" AllowPdfExport="true" AllowPaging="true">
<GridEvents OnToolbarClick="ToolbarClickHandler" TValue="Order"></GridEvents>
<GridColumns>
<GridColumn Field=@nameof(Order.OrderID) HeaderText="Order ID" TextAlign="TextAlign.Right" Width="120"></GridColumn>
<GridColumn Field=@nameof(Order.CustomerID) HeaderText="Customer Name" Width="150"></GridColumn>
<GridColumn Field=@nameof(Order.OrderDate) HeaderText=" Order Date" Format="d" Type="ColumnType.Date" TextAlign="TextAlign.Right" Width="130"></GridColumn>
<GridColumn Field=@nameof(Order.Freight) HeaderText="Freight" Format="C2" TextAlign="TextAlign.Right" Width="120"></GridColumn>
</GridColumns>
</SfGrid>
@code{
private SfGrid<Order> DefaultGrid;
public List<Order> Orders { get; set; }
public async Task ToolbarClickHandler(Syncfusion.Blazor.Navigations.ClickEventArgs args)
{
if (args.Item.Id == "Grid_pdfexport") //Id is combination of Grid's ID and itemname
{
//Merging two memory stream
MemoryStream mergedStream = new MemoryStream();
//Creates a PDF document.
Syncfusion.Pdf.PdfDocument finalDoc = new Syncfusion.Pdf.PdfDocument();
MemoryStream streamDoc1 = await DefaultGrid.ExportToPdfAsync(asMemoryStream: true);
//Create a copy of streamDoc1 to access the memory stream
MemoryStream copyOfStreamDoc1 = new MemoryStream(streamDoc1.ToArray());
//Customized grid for memory stream export
PdfExportProperties ExportProperties = new PdfExportProperties();
PdfTheme Theme = new PdfTheme();
PdfBorder HeaderBorder = new PdfBorder();
HeaderBorder.Color = "#000000";
PdfThemeStyle HeaderThemeStyle = new PdfThemeStyle()
{
FontColor = "#6A5ACD",
FontName = "Comic Sans MS",
FontSize = 17,
Bold = true,
Border = HeaderBorder
};
Theme.Header = HeaderThemeStyle;
PdfThemeStyle RecordThemeStyle = new PdfThemeStyle()
{
FontColor = "#800080",
FontName = "Comic Sans MS",
FontSize = 14,
Border = HeaderBorder
};
Theme.Record = RecordThemeStyle;
ExportProperties.Theme = Theme;
MemoryStream streamDoc2 = await DefaultGrid.ExportToPdfAsync(asMemoryStream: true, ExportProperties);
//Create a copy of streamDoc2 to access the memory stream
MemoryStream copyOfStreamDoc2 = new MemoryStream(streamDoc2.ToArray());
//Creates a PDF stream for merging.
Stream[] streams = { copyOfStreamDoc1, copyOfStreamDoc2 };
Syncfusion.Pdf.PdfDocument.Merge(finalDoc, streams);
finalDoc.Save(mergedStream);
await JSRuntime.InvokeVoidAsync("saveAsFile", new object[] { "MemoryStreamMerge.pdf", Convert.ToBase64String(mergedStream.ToArray()), true });
}
}
public List<Order> GetAllRecords()
{
List<Order> data = new List<Order>();
int count = 1000;
for (int i = 0; i < 15; i++)
{
data.Add(new Order() { OrderID = count + 1, CustomerID = "ALFKI", OrderDate = new DateTime(1995, 05, 15), Freight = 25.7 * 2 });
data.Add(new Order() { OrderID = count + 2, CustomerID = "ANANTR", OrderDate = new DateTime(1994, 04, 04), Freight = 26.7 * 2 });
data.Add(new Order() { OrderID = count + 3, CustomerID = "BLONP", OrderDate = new DateTime(1993, 03, 10), Freight = 27.7 * 2 });
data.Add(new Order() { OrderID = count + 4, CustomerID = "ANTON", OrderDate = new DateTime(1992, 02, 14), Freight = 28.7 * 2 });
data.Add(new Order() { OrderID = count + 5, CustomerID = "BOLID", OrderDate = new DateTime(1991, 01, 18), Freight = 29.7 * 2 });
count += 5;
}
return data;
}
protected override void OnInitialized()
{
Orders = GetAllRecords();
}
public class Order
{
public int? OrderID { get; set; }
public string CustomerID { get; set; }
public DateTime? OrderDate { get; set; }
public double? Freight { get; set; }
}
}See also
NOTE
You can refer to our Blazor DataGrid feature tour page for its groundbreaking feature representations. You can also explore our Blazor DataGrid example to understand how to present and manipulate data.