RAD PDF - Interactive Demonstrations

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This basic implementation demonstrates how easy it is load your own PDF documents into RAD PDF.

RAD PDF Sample Source Files

C#
VB.NET

Default.aspx

<%@ Page Language="C#" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<%@ Register Assembly="RadPdf" Namespace="RadPdf.Web.UI" TagPrefix="radPdf" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>RAD PDF Sample</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:Panel ID="UploadPanel" Runat="Server" HorizontalAlign="Center">
            <asp:Label Text="Choose File:" Runat="Server" AssociatedControlID="UploadControl" />
            <asp:FileUpload ID="UploadControl" Runat="Server" />
            <asp:Button ID="UploadButton" Runat="Server" Text="Upload" />
            <div>
                <asp:Literal ID="UploadMessage" Runat="Server" Text="Please choose a file up to 10 MB. The first 100 pages will be loaded." />
            </div>
        </asp:Panel>

        <radPdf:PdfWebControl ID="PdfWebControl1" runat="server" height="600px" width="100%" MaxPdfPages="100" ThrowMaxPagesException="false" />
    </div>
    </form>
</body>
</html>

Default.aspx.cs

using System;

partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (IsPostBack && this.UploadControl.HasFile)
        {
            //Get PDF as byte array from upload
            byte[] pdfData = this.UploadControl.FileBytes;

            //Check file size (up to 10 MB)
            if (pdfData.Length <= 10485760)
            {
                try
                {
                    //Load PDF byte array into RAD PDF
                    this.PdfWebControl1.CreateDocument(this.UploadControl.FileName, pdfData);
                }
                catch
                {
                    this.UploadMessage.Text = "PDF file could not be loaded.";
                }
            }
            else
            {
                this.UploadMessage.Text = "File is too large. Please choose a file no larger than 1 MB.";
            }
        }

        //Check if PDF is loaded into RAD PDF
        if (this.PdfWebControl1.DocumentLoaded)
        {
            //File is loaded, hide the upload panel
            this.UploadPanel.Visible = false;
        }
        else
        {
            //No file was uploaded, do not show RAD PDF
            this.PdfWebControl1.Visible = false;
        }
    }
}

Default.aspx

<%@ Page Language="VB" CodeFile="Default.aspx.vb" Inherits="_Default" %>

<%@ Register Assembly="RadPdf" Namespace="RadPdf.Web.UI" TagPrefix="radPdf" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>RAD PDF Sample</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:Panel ID="UploadPanel" Runat="Server" HorizontalAlign="Center">
            <asp:Label Text="Choose File:" Runat="Server" AssociatedControlID="UploadControl" />
            <asp:FileUpload ID="UploadControl" Runat="Server" />
            <asp:Button ID="UploadButton" Runat="Server" Text="Upload" />
            <div>
                <asp:Literal ID="UploadMessage" Runat="Server" Text="Please choose a file up to 10 MB. The first 100 pages will be loaded." />
            </div>
        </asp:Panel>

        <radPdf:PdfWebControl ID="PdfWebControl1" runat="server" height="600px" width="100%" MaxPdfPages="100" ThrowMaxPagesException="false" />
    </div>
    </form>
</body>
</html>

Default.aspx.vb

Option Explicit On
Option Strict On

Partial Class _Default
    Inherits System.Web.UI.Page

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

        If IsPostBack And Me.UploadControl.HasFile Then

            'Get PDF as byte array from upload
            Dim pdfData As Byte() = Me.UploadControl.FileBytes

            'Check file size (up to 1 MB)
            If pdfData.Length <= 1048576 Then

                Try

                    'Load PDF byte array into RAD PDF
                    Me.PdfWebControl1.CreateDocument(Me.UploadControl.FileName, pdfData)

                Catch

                    Me.UploadMessage.Text = "PDF file could not be loaded."

                End Try

            Else

                Me.UploadMessage.Text = "File is too large. Please choose a file no larger than 1 MB."

            End If

        End If

        'Check if PDF is loaded into RAD PDF
        If Me.PdfWebControl1.DocumentLoaded Then

            'File is loaded, hide the upload panel
            Me.UploadPanel.Visible = False

        Else

            'No file was uploaded, do not show RAD PDF
            Me.PdfWebControl1.Visible = False

        End If
    End Sub
End Class