How to keep on changing time in lable control and stop after processing logic in C# web application

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I want to show time taken my function/process in C#.When I click on button show,I want show time in label as 0,and keep on changing like1,2,3,4,5.In button click event writing/processing/executing query ,when that process over I want stop time.How to do that?

What I have tried:

No idea what to do.Does I need to use timer control for this.

Posted 11-May-16 22:10pm

Member 11589429

Updated 11-May-16 22:43pm

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2 solutions

Solution 1

Have a look at this CP article A More Efficient AJAX Progress Bar for ASP.NET[^]

Or this one Show progress bar on Button Click in ASP.Net[^]

Posted 11-May-16 22:31pm

CHill60

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Karthik_Mahalingam · Accepted Answer · 2016-05-11T22:43:00

Try this
this might not gives the 100% result, since some tolerance will be there for Round Trip.

ASPX

ASP.NET

<asp:Button ID="btnTest" OnClientClick="showtime()" runat="server" Text="Test" OnClick="btnTest_Click" />
      <asp:Label Text="text" ID="lblTime" runat="server" />

JAVASCRIPT

JavaScript

<script type="text/javascript">

       function showtime() {
           setInterval(setTime, 1000);
           var lbl = document.getElementById('<%= lblTime.ClientID %>');
           var i = 0;
           function setTime() {
               lbl.innerHTML = i + ' Seconds';
               i++;
           }
       }
   </script>

C#

protected void btnTest_Click(object sender, EventArgs e)
       {
           System.Diagnostics.Stopwatch watch = new System.Diagnostics.Stopwatch();
           watch.Start();
         //  System.Threading.Thread.Sleep(3000); sleeps for 3 seconds
           // Your code..
           watch.Stop();
           lblTime.Text = watch.Elapsed.Seconds + " Seconds";
       }