NOTE

Syncfusion^® recommends using Blazor PDF Viewer (NextGen) Component which provides fast rendering of pages and improved performance. Also, there is no need of external Web service for processing the files and ease out the deployment complexity. It can be used in Blazor Server, WASM and MAUI applications without any changes.

Download in Blazor PDF Viewer Component

13 Dec 20241 minute to read

The PDF Viewer supports downloading the loaded PDF file from the toolbar by default. You can enable or disable the download option by setting the EnableDownload API.

@using Syncfusion.Blazor.PdfViewerServer

<SfPdfViewerServer Width="1060px" Height="500px" DocumentPath="@DocumentPath" EnableDownload="true"/>

@code{
    public string DocumentPath { get; set; } = "wwwroot/data/PDF_Succinctly.pdf";
}

@using Syncfusion.Blazor.PdfViewerServer
@using Syncfusion.Blazor.Buttons

<SfButton OnClick="OnClick">Download</SfButton>
<SfPdfViewerServer Width="1060px" Height="500px" DocumentPath="@DocumentPath" @ref="@Viewer"/>

@code{
    SfPdfViewerServer Viewer;
    public string DocumentPath { get; set; } = "wwwroot/data/PDF_Succinctly.pdf";
    public void OnClick(MouseEventArgs args)
    {
        Viewer.Download();
    }
}

Download Filename

The DownloadFileName property of the PDF Viewer enables you to sets the name of the file to be downloaded.

The following code example shows how to set default filename to the downloaded file.

@using Syncfusion.Blazor.PdfViewerServer
@using Syncfusion.Blazor.PdfViewer

<SfPdfViewerServer DocumentPath="@documentPath" DownloadFileName="@downloadFileName" Height="800px" Width="1000px"></SfPdfViewerServer>

@code
{
    //Sets the PDF document path for initial loading.
    public string documentPath { get; set; } = "wwwroot/Data/PDF Succinctly.pdf";

    //Sets the name of the file to be downloaded.
    private string downloadFileName { get; set; } = "TOP-View_CutSheets.pdf";

}

NOTE

View sample in GitHub.

NOTE

You can refer to the Blazor PDF Viewer feature tour page for its groundbreaking feature representations.