alert not showing exception variable in asp.net 4

Question

1.00/5 (1 vote)

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Dear all,

I want to show exception in alert box in asp.net 4. But it is not showing any alert. I tried these solutions -
try{// my code}
catch (Exception ex)
{
//Response.Write("alert('" + Server.HtmlEncode(ex.Message) + "')"); // Not Working //Response.Write("alert('" + ex.Message + "');"); // Not working
// Response.Write("alert('" + Server.HtmlEncode(ex.ToString()) + "')"); // Not working //ScriptManager.RegisterStartupScript(this.Page, this.GetType(), "done", "alert('Error Occured.');", true); // Only this is working.
}

Please suggest any solution to this where I am going wrong.

Thanks and regards,
Rizwan Gazi.

Posted 24-Jun-14 20:14pm

Rizwan Gazi

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Comments

Sergey Alexandrovich Kryukov 25-Jun-14 2:27am

This code is not Javascript. Do you have anything to add? Use "Improve question".
—SA

Rizwan Gazi 25-Jun-14 2:38am

Nothing to add.

2 solutions

Solution 1

C#

  try
   {
     int a, b, c;
     b = 0;
     a = 10;
     c = a / b;

  }
catch (Exception ex)
 {

     Response.Write("<script>alert('"+ex.Message+"');</script>");
 }

Posted 24-Jun-14 20:31pm

Prasad Avunoori

Comments

Rizwan Gazi 25-Jun-14 2:38am

Dear @Prasad, ex.Message I have tried. But it doesn't work.

Prasad Avunoori 25-Jun-14 2:56am

But, It worked for me.Just run above code in your PC and let me know.

Rizwan Gazi 25-Jun-14 3:09am

Your code worked. But SQL Exception, its not showing dear.

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Rizwan Gazi · Accepted Answer · 2014-06-24T21:55:00

Solution 2

ScriptManager.RegisterStartupScript(this.Page, this.GetType(), "CreateExamError", "alert('" + ex.Message.Replace("'", "") + "');", true);

I had to use Replace function in alert.

Posted 24-Jun-14 21:55pm

Rizwan Gazi

Comments

Rizwan Gazi 25-Jun-14 3:57am

Thanks for considering my question and for your efforts.