Please find the following code for. I write the code for .aspx page. Copy and paste this code in your aspx page.
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<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>
<script language="javascript" type="text/javascript">
function confirmthis()
{
if(confirm("Do you want to do a server trip?"))
{
return true;
}
else
{
return false;
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" OnClientClick="return confirmthis();" Text="Click Me..." /></div>
</form>
</body>
</html>
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Copy and paste following code in your code behind(aspx.cs) page.
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protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
TextBox1.Text="U click Button1"
}
========================================================================================
Now run your project. just Click on the button "Click Me...". It will ask to "Do you want to do a server trip?". If you select YES then you will do a server trip and when you select NO you will not redirect to server. So here for validation purpose we are using onClientClick and for doing process on server side, we are using onClick.
Best Regards,
Vijay Modi
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