How to show loading is in progress with the image using ajax

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Hi I'm using visual studio 2010 .net framework 3.5.
In my project I'm importing excel file and it will take some time to load.
So at this point I want to show something like a wheel that shows loading is in progress and make the screen read only.you might have seen in some webpages.
so I want to know how to implement that.
Please help me in this regard

Posted 9-Jun-14 21:54pm

Smitha5

Updated 17-Sep-19 11:23am

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3 solutions

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**Nirav Prabtani** · Answer 1 · 2014-06-09T22:03:00

HTML

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>

CSS

.divBackMain
      {
          z-index: 99;
          position: fixed;
          top: 0px;
          left: 0px;
          height: 100%;
          width: 100%;
          background-color: black;
          opacity: 0.4;
      }
      .divLoader
      {
          position: fixed;
          top: 50%;
          left: 50%;
          z-index: 100;
          margin-left: -110px;
          margin-top: -110px;
          width: 220px;
          background-image: url('http://2.bp.blogspot.com/-XTR-_X58BHo/UE-v8fIayII/AAAAAAAACMw/fu8ZxR57xUU/s1600/LoadingGIF.gif');
      }
      #DivLoaderContainer
      {
          display:none;
          }

JavaScript

function UploadData() {

           $("#DivLoaderContainer").fadeIn(); //set fadeIn whenever ypu want to show loader
           $.ajax({
               type: "POST",
               url: "PageName.aspx/MethodName",
               contentType: "application/json;charset=utf-8",
               data: {}, //Parameters
               dataType: "json",
               success: function (data) {

                   $("#DivLoaderContainer").fadeOut(); //set logout after finish all process


               },
               error: function (result) {



               }
           });

HTML

<div id="DivLoaderContainer">
           <div class="divBackMain">
           </div>
           <div class="divLoader">
               <img src="http://2.bp.blogspot.com/-XTR-_X58BHo/UE-v8fIayII/AAAAAAAACMw/fu8ZxR57xUU/s1600/LoadingGIF.gif" />
           </div>
       </div>

Debabrata_Das · Answer 2 · 2014-06-09T23:02:00

Hello Smitha, you can use UpdateProgress control provided by AJAX Extensions controls as follows:

ASPX changes:

XML

<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>

<asp:UpdatePanel ID="UpdatePanel1" runat="server">
    <ContentTemplate>
        <asp:Button ID="Button1" runat="server" Text="Button" onclick="Button1_Click" />
        <asp:Label ID="Label1" runat="server"></asp:Label>
    </ContentTemplate>
</asp:UpdatePanel>
<asp:UpdateProgress ID="UpdateProgress1" runat="server"
        AssociatedUpdatePanelID="UpdatePanel1">
    <ProgressTemplate>
        <img alt="please wait..." src="loder.gif" />
    </ProgressTemplate>
</asp:UpdateProgress>

Code behind changes:

C#

protected void Button1_Click(object sender, EventArgs e)
{
    System.Threading.Thread.Sleep(5000);
    Label1.Text = "Page loaded at: " + DateTime.Now.ToString();
}

Here I have created a delay using Thread.Sleep() method.

acurio2007 · Answer 3 · 2019-09-17T11:24:00

Solution 3

Y COMO SERIA EN VB.NET. POR FAVOR SU APOYO

Posted 17-Sep-19 11:24am

acurio2007

Comments

CHill60 18-Sep-19 3:48am

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How to show loading is in progress with the image using ajax

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