Create PDF document in the created event of Blazor SfPdfViewer Component
21 Jun 20231 minute to read
You can create PDF document in the SfPdfViewer’s Created event and load the same document in the viewer.
The following code example shows how to create PDF document and load that document in SfPdfViewer.
@using Syncfusion.Blazor.SfPdfViewer
@using Syncfusion.Pdf;
@using Syncfusion.Pdf.Interactive;
@using System.IO;
@using Syncfusion.Drawing;
<SfPdfViewer2 DocumentPath="@DocumentPath" Height="100%" Width="100%">
<PdfViewerEvents Created="created"></PdfViewerEvents>
</SfPdfViewer2>
@code{
public SfPdfViewer2 PdfViewer { get; set; }
//Sets the PDF document path for initial loading.
public string DocumentPath { get; set; }
//This event triggers when the SfPdfViewer is created.
private void created()
{
var document = new PdfDocument();
byte[] bytes;
//Add a new page to the PDF document.
PdfPage page = document.Pages.Add();
//Create a textbox field and add the properties.
PdfTextBoxField textBoxField = new PdfTextBoxField(page, "FirstName");
textBoxField.Bounds = new RectangleF(0, 0, 100, 20);
textBoxField.ToolTip = "First Name";
//Add the form field to the document.
document.Form.Fields.Add(textBoxField);
var stream = new MemoryStream();
//Save the document.
document.Save(stream);
bytes = stream.ToArray();
string base64string = Convert.ToBase64String(bytes);
//Sets the document path as base64 string.
DocumentPath = "data:application/pdf;base64," + base64string;
//close the document
document.Close(true);
}
}