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Editorial Team
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Asked: 2026-05-12T22:55:51+00:00

I have a asp page where i have a button.When i click on the

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I have a asp page where i have a button.When i click on the button i should display a gif image.When the process is completed ,again the images has to be hidden.

Please find my below code behind 

<head runat="server">
    <title>Untitled Page</title>

    <script type="text/javascript" language="javascript">

    </script>

</head>
<body>
    <form id="form1" runat="server">
        <div style="display: none" id="dvloader">
            <img src="Images/process_status.gif" /></div>
        <asp:Button ID="btnLoad" runat="server" Text="Load" OnClick="btnLoad_Click" />
    </form>
</body>

Please find the below code behind

 protected void btnLoad_Click(object sender, EventArgs e)
    {
       // Show the gif image
        System.Threading.Thread.Sleep(5000);
        // hide the gif image
    }

How can i achive this ?

Thanks.

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1 Answer

  1. Editorial Team

    The method in your example is server-sided. What you want to do is on the client side and must be done in javascript therefore.

    You could use the client-sided onclick-event to show the GIF after the button has been clicked. You can set the client-sided onclick-event somwhere in the Page-Load method for example:

    btnLoad.Attributes.Add("onclick", "alert('JavaScript to show GIF goes here...');");

    After the PostBack, the GIF will be hidden again automatically…

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