Configure Web.Config in order to use asp:ScriptManager : UpdatePanel « Ajax « ASP.Net

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ASP.Net » Ajax » UpdatePanel 
Configure Web.Config in order to use asp:ScriptManager



File: Default.aspx

<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">

    protected void btnSubmit_Click(object sender, EventArgs e)
    {
        throw new Exception("Server Error");
    }
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>UpdatePanel Error</title>
</head>
<body>
    <form id="form1" runat="server">

    <asp:ScriptManager
        id="sm1"
        Runat="server" />

    <asp:UpdatePanel
        id="up1"
        runat="server">
        <ContentTemplate>

        <asp:Button
            id="btnSubmit"
            Text="Submit"
            OnClick="btnSubmit_Click"
            Runat="server" />

        </ContentTemplate>
    </asp:UpdatePanel>

    </form>
</body>
</html>


   
Web.Config   
   
<configuration>
    <system.web>
        <customErrors mode="Off"/>
        <compilation debug="true"/>
        <pages>
            <controls>
                <add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
            </controls>
        
        </pages>    
    </system.web>
</configuration>   

 
Related examples in the same category
1.Handling UpdatePanel Errors Gracefully
2.On the server, you can handle the ScriptManager control's AsyncPostBackError event to customize the error message transmitted to the client.
3.Database messages being updated asynchronously.
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