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Uploading Multiple Files in ASP.NET 2.0
Description In ASP.NET 2.0, the FileUpload control enables the users to upload the files from your web pages. Here, I going to show, "how can you upload multiple files on a single click in ASP.NET 2.0   No. of Views     1630
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Author Rahul Saxena   Posted On     16 Sep 2011
Tags ASP.NET : How To    

Sample Code   Download Code

In ASP.NET 2.0, the FileUpload control enables the users to upload the files from your web pages. The FileUpload control consists of a text box and a browse button. Clicking on the button allows the users to select a file on the client and upload it to the server.
Let us start with uploading multiple files on a single "click". Follow these 2 steps:

Step 1:

Drag and drop multiple (according to the suggested code, 4 can be dragged and dropped) FileUpload controls to the designer.

Step 2:

Drop a Button control and rename it to "Upload".

Following is the aspx code:
 

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

  

<!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>Make Multiple Upload</title> 

</head> 

<body> 

    <form id="form1" runat="server"> 

        <div> 

            <asp:FileUpload ID="FileUpload1" runat="server" /><br /> 

            <asp:FileUpload ID="FileUpload2" runat="server" /><br /> 

            <asp:FileUpload ID="FileUpload3" runat="server" /><br /> 

            <asp:FileUpload ID="FileUpload4" runat="server" /> 

            <br /> 

            <asp:Button ID="btnUpload" runat="server" Text="Upload" OnClick="btnUpload_Click1" /> 

            <br /> 

            <asp:Label ID="Label1" runat="server"></asp:Label> 

        </div> 

    </form> 

</body> 

</html> 

Following is the aspx.vb code:

Imports System.IO 

  

Partial Class _Default 

    Inherits System.Web.UI.Page 

  

    Protected Sub btnUpload_Click1(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnUpload.Click 

        Try 

            'To Upload Multiple Files on Single Click 

            Dim hfc As HttpFileCollection = Request.Files 

            For i As Integer = 0 To hfc.Count - 1 

                Dim hpf As HttpPostedFile = hfc(i) 

                If hpf.ContentLength > 0 Then 

                    hpf.SaveAs((Server.MapPath("MyFiles") & "\") + Path.GetFileName(hpf.FileName)) 

                End If 

            Next 

        Catch ex As Exception 

        End Try 

  

    End Sub 

End Class 

  

Add a tag in web.config file,   

<httpRuntime 

               executionTimeout="200" 

               maxRequestLength="8192" 

               requestLengthDiskThreshold="256" 

               useFullyQualifiedRedirectUrl="false" 

               minFreeThreads="8" 

               minLocalRequestFreeThreads="4" 

               appRequestQueueLimit="5000" 

               enableKernelOutputCache="true" 

               enableVersionHeader="true" 

               requireRootedSaveAsPath="true" 

               enable="true" 

               shutdownTimeout="90" 

               delayNotificationTimeout="5" 

               waitChangeNotification="0" 

               maxWaitChangeNotification="0" 

               enableHeaderChecking="true" 

               sendCacheControlHeader="true" 

               apartmentThreading="false"/> 




When you run the application; output will be:



 

 

About Author

About Author Rahul shows great interests in working with Microsoft technologies. He specializes in the implementation of DataBase & Graphics. His area of expertise includes: C#, ASP.NET,ADO.NET,Windows Forms & Web Services. He hails from background , Master's in Computer Application. With programming he loves photography, traveling and reading books. Rahul Saxena
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