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Show Progress Bar while Uploading Files using AJAX UpdateProgress in ASP.Net

Jun 15, 2015
Introduction

Here I will explain how to show or display loading / progress bar while uploading files using ajax updatepanel updateprogress in
asp.net using c#, vb.net with example. By using ajax postbacktrigger and updateprogress properties in ajax updatepanel  in asp.net we can show loading image while upload files using c#, vb.net.

Description:
  
In previous articles I explained show progressbar during postbacks using updatepanel, ajax updatepanel with triggers example in asp.net, asp.net confirmationbox with yes/no options using modalpopup, ajax modalpopupextender to edit gridview row details,
group columns in gridview, gridview examples in asp.net and many articles relating to gridview, asp.net, c#,vb.net and jQuery. Now I will explain how to show progress bar while uploading files using ajax updatepanel updateprogess in asp.net using c#, vb.net.

Now open your aspx page and write the code like as shown below


<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>Show Loading Image while uploading images using updatepanel</title>
<style type="text/css">
.overlay
{
position: fixed;
z-index: 999;
height: 100%;
width: 100%;
top: 0;
background-color: Black;
filter: alpha(opacity=60);
opacity: 0.6;
-moz-opacity: 0.8;
}
</style>
<script type="text/javascript">
function showProgress() {
var updateProgress = $get("<%= UpdateProgress.ClientID %>");
updateProgress.style.display = "block";
}
</script>
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="scriptmanager1" runat="server"></asp:ScriptManager>
<asp:UpdatePanel runat="server" ID="updatepanel1" UpdateMode="Conditional">
<ContentTemplate>
<div style="align:center; margin-left:350px; margin-top:200px">
<asp:FileUpload ID="uploadfiles1" runat="server" />
<asp:Button ID="btnUpload" Text="Upload" runat="server" onclick="btnUpload_Click" OnClientClick="showProgress()" /><br />
<asp:Label ID="lblMsg" runat="server"/>
</div>
</ContentTemplate>
<Triggers>
<asp:PostBackTrigger ControlID="btnUpload" />
</Triggers>
</asp:UpdatePanel>
<asp:UpdateProgress ID="UpdateProgress" runat="server" AssociatedUpdatePanelID="updatepanel1">
<ProgressTemplate>
<div class="overlay">
<div style=" z-index: 1000; margin-left: 350px;margin-top:200px;opacity: 1;-moz-opacity: 1;">
<img alt="" src="loading.gif" />
</div>
</div>
</ProgressTemplate>
</asp:UpdateProgress>
</form>
</body>
</html>

After completion of aspx page create new folder uploads in your application to upload files and add following namespaces in codebehind

C# Code


using System;
using System.IO;

After completion of adding namespaces you need to write the code like as shown below


protected void Page_Load(object sender, EventArgs e)
{
}
protected void btnUpload_Click(object sender, EventArgs e)
{
string fileName = Path.GetFileName(uploadfiles1.FileName);
uploadfiles1.SaveAs(Server.MapPath("~/uploads/") + fileName);
lblMsg.Text = "File Uploaded Successfully";
}

VB.NET Code


Imports System.IO
Partial Class VBCode
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
End Sub
Protected Sub btnUpload_Click(sender As Object, e As EventArgs)
Dim fileName As String = Path.GetFileName(uploadfiles1.FileName)
uploadfiles1.SaveAs(Server.MapPath("~/uploads/") & fileName)
lblMsg.Text = "File Uploaded Successfully"
End Sub
End Class

Demo

Show Progress Bar when uploading files using AJAX UpdateProgress in ASP.Net
Download Sample Code Attached

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2 comments :

Unknown said...


Thanks its better than any other.

Unknown said...

Thank you soo much, It work

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