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Excel Export in Blazor DataGrid component

The excel export allows exporting DataGrid data to Excel document. You need to use the ExcelExport method for exporting. To enable Excel export in the datagrid, set the AllowExcelExport property as true.

@using Syncfusion.Blazor.Buttons
@using Syncfusion.Blazor.Grids

<SfButton OnClick="ExcelExport" Content="Excel Export"></SfButton>
<SfGrid  @ref="DefaultGrid" DataSource="@Orders" AllowSorting="true" AllowExcelExport="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>
        <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; }

    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 void ExcelExport(){
        this.DefaultGrid.ExcelExport();
    }
}

To customize excel export

The excel export provides an option to customize mapping of the datagrid to excel document.

Export current page

The excel export provides an option to export the current page into excel. To export current page, define exportType to CurrentPage.

@using Syncfusion.Blazor.Buttons
@using Syncfusion.Blazor.Grids

<SfButton OnClick="ExcelExport" Content="Excel Export"></SfButton>
<SfGrid  @ref="DefaultGrid" DataSource="@Orders" AllowSorting="true" AllowExcelExport="true" AllowPaging="true">
    <GridPageSettings PageCount="2"></GridPageSettings>
    <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; }

    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 void ExcelExport() {
        ExcelExportProperties ExportProperties = new ExcelExportProperties();
        ExportProperties.ExportType = ExportType.CurrentPage;
        this.DefaultGrid.ExcelExport(ExportProperties);
    }
}

Export hidden columns

The excel export provides an option to export hidden columns of datagrid by defining includeHiddenColumn as true.

@using Syncfusion.Blazor.Buttons
@using Syncfusion.Blazor.Grids

<SfButton OnClick="ExcelExport" Content="Excel Export"></SfButton>
<SfGrid  @ref="DefaultGrid" DataSource="@Orders" AllowSorting="true" AllowExcelExport="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>
        <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; }

    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 void ExcelExport() {
        ExcelExportProperties ExportProperties = new ExcelExportProperties();
        ExportProperties.IncludeHiddenColumn = true;
        this.DefaultGrid.ExcelExport(ExportProperties);
    }
}

Theme

The excel export provides an option to include theme for exported excel document.

To apply theme in exported Excel, define the theme in export properties.

@using Syncfusion.Blazor.Buttons
@using Syncfusion.Blazor.Grids

<SfButton OnClick="ExcelExport" Content="Excel Export"></SfButton>
<SfGrid  @ref="DefaultGrid" DataSource="@Orders" AllowSorting="true" AllowExcelExport="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>
        <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; }

    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 void ExcelExport() {
        ExcelExportProperties ExcelProperties = new ExcelExportProperties();
        ExcelTheme Theme = new ExcelTheme();

        ExcelStyle ThemeStyle = new ExcelStyle()
        {
            FontName = "Segoe UI",
            FontColor = "#666666",
            FontSize = 20
        };

        Theme.Header = ThemeStyle;
        Theme.Record = ThemeStyle;
        Theme.Caption = ThemeStyle;
        ExcelProperties.Theme = Theme;
        this.DefaultGrid.ExcelExport(ExcelProperties);
    }
}

By default, material theme is applied to exported excel document.

File name for exported document

You can assign the file name for the exported document by defining fileName property in excel export properties.

@using Syncfusion.Blazor.Buttons
@using Syncfusion.Blazor.Grids

<SfButton OnClick="ExcelExport" Content="Excel Export"></SfButton>
<SfGrid  @ref="DefaultGrid" DataSource="@Orders" AllowSorting="true" AllowExcelExport="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>
        <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; }

    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 void ExcelExport() {
        ExcelExportProperties ExcelProperties = new ExcelExportProperties();
        ExcelProperties.FileName = "new.xlsx";
        this.DefaultGrid.ExcelExport(ExcelProperties);
    }
}

Exporting grouped records

The excel export provides outline option for grouped records which hides the detailed data for better viewing. In datagrid, we have provided the outline option for the exported document when the data’s are grouped.

@using Syncfusion.Blazor.Buttons
@using Syncfusion.Blazor.Grids

<SfButton OnClick="ExcelExport" Content="Excel Export"></SfButton>
<SfGrid  @ref="DefaultGrid" DataSource="@Orders" AllowGrouping="true" AllowExcelExport="true" AllowPaging="true">
    <GridGroupSettings Columns="@(new string[] {"OrderDate"})"></GridGroupSettings>
    <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; }

    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 void ExcelExport() {
        this.DefaultGrid.ExcelExport();
    }
}

Limitations

Microsoft Excel permits up to seven nested levels in outlines. So that in the datagrid we can able to provide only up to seven nested levels and if it exceeds more than seven levels then the document will be exported without outline option. Please refer the Microsoft Limitation

Custom data source

Excel export provides an option to define the datasource dynamically before exporting. To export data dynamically, define it in the DataSource property of the ExcelExportProperties class.

The following sample code demonstrates dynamically modifying the data source before exporting it,

@using Syncfusion.Blazor.Buttons
@using Syncfusion.Blazor.Grids

<SfButton OnClick="ExcelExport" Content="Excel Export"></SfButton>
<SfGrid @ref="DefaultGrid" DataSource="@Orders" AllowExcelExport="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>
        <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; }

    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)],
            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 void ExcelExport()
    {
        ExcelExportProperties ExcelProperties = new ExcelExportProperties();
        ExcelProperties.DataSource = Orders;
        this.DefaultGrid.ExcelExport(ExcelProperties);
    }
}
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