8:11 AM By Kannan HTML Button onserverclick fired twice in ASP.NET UpdatePanel Old Code: id="myButton" runat="server"onserverclick="myButton_ServerClick" >Save New Code: id="myButton" runat="server"onserverclick="myButton_ServerClick" >Save Just change button type to button from submit and issue is resolved. Email ThisBlogThis!Share to XShare to Facebook