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I am getting an error on my pages

XML Parsing Error: no element found
Location: http://localhost:22888/UpdateConfig.aspx
Line Number 1, Column 1:

What I have tried:

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Web.Configuration;

namespace Test
    public partial class UpdateConfig : System.Web.UI.Page
        protected void Page_Load(object sender, EventArgs e)
            catch (Exception ex)
                Response.Write("Exception: " + ex.Message);
Updated 29-Mar-23 0:04am
VR Karthikeyan 7-Jun-16 7:23am    
Unclear question. Provide some more information, show some code of what you have tried. Just improve your question.
ZurdoDev 7-Jun-16 15:43pm    
You got an error about the aspx page but posted the aspx.cs code.

By some weird reason, you .aspx is not well-formed. Please check it up. Try to compile your ASP.NET solution with this file; it it's fine, check up that it is deployed correctly (most likely, it is, because you probably work with the HTTP server embedded in Visual Studio, in this case, you have exact same files an in the project).

Also, for a simple checkup, you can rename your .aspx file to .xml and test with any Web browser; it will show you the wrong point in the file.

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just put Application_error tag in Global.asax

protected void Application_Error(object sender, EventArgs e)


No need to add any error handling code inside
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ZurdoDev 7-Jun-16 15:21pm    
The error was about UpdateConfig.aspx. Is there some reason to think global.asax is the problem?
Member 8513598 6-Jun-17 6:18am    
I think you added  <httpErrors errorMode="Custom" existingResponse="PassThrough"/>
in <system.webserver> (web.config).
Please remove this for a while so that you can see the actual error.
After you get error you can search for actual error.
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