How to redirect to error page on exception via global.asax when button in the update panel is clicked?

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Hi All,

i am facing an issue, which i have mentioned below.
How to redirect to error page on exception via global.asax when button in the update panel is clicked?

Could you please respond to this.

Thanks,
Prasad

Posted 15-May-14 1:47am

Prasadsm

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koolprasad2003 · Answer 1 · 2014-05-15T02:36:00

When your application throw error, then 'Application_Error' event will occur in global.asax
in that you can use 'Server.GetLastError()' method to get last error occurred, here you can get 'InnerException' and redirect to error page
see below snippet

Global.asax

  void Application_Error(object sender, EventArgs e) 
     {    
         Exception err = Server.GetLastError();
         Session["error"] = err.InnerException.Message;    
    }
     void Session_Start(object sender, EventArgs e) 
     {      
         Session["error"] = "";//initialize the session
    }

//in web.config

 <customErrors mode="On" defaultRedirect="Error.aspx"></customErrors>

//In Error.aspx.cs access the error and show it on form

  protected void Page_Load(object sender, EventArgs e)
     {
         if (Session["error"] != null)
         {
             Response.Write(Session["error"].ToString());
         }
    }

hope it helps