How Can Make Custom Exception Class And His Use In Asp.Net

Step 1: Make a New Web Site and Add a new item choose class.cs file and rename to him Given Name CustomException Class As Given Below

Step 2: Now Write Down Given Below Code Into Your Class and Derived System.exception class

Here we are just Overriding to Exception class properties and methods

Step 3: go into ToolBox and Place a Button and on his double click write down Given Code

/// <summary>
/// Summary description for CustomException
/// </summary>
public class CustomException : System.ApplicationException
{
public CustomException()
{
//
// TODO: Add constructor logic here
//
}
public override string Message
{
get
{
return “An Error Occured In Your Application”;
}
}
}

—————————————————————–

On button Click Code

CustomException ex=new CustomException();

if (Server.MapPath(“Default2.aspx”).Equals(true))

{

Response.Redirect(“Default2.aspx”);

}

else

{

Label1.Text = ex.Message;

}

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