This documentation is archived and is not being maintained.

HttpException.HttpException(String, Int32) Constructor

Initializes a new instance of the HttpException class using an error message and an exception code.

Namespace: System.Web
Assembly: System.Web (in system.web.dll)

public HttpException (
	string message,
	int hr
public HttpException (
	String message, 
	int hr
public function HttpException (
	message : String, 
	hr : int
Not applicable.



The error message displayed to the client when the exception is thrown.


The exception code that defines the error.

The following code example demonstrates the HttpException constructor of the HttpException class. An HttpException exception is thrown if a user-entered value is 0.

Security noteSecurity Note:

This example has a text box that accepts user input, which is a potential security threat. By default, ASP.NET Web pages validate that user input does not include script or HTML elements. For more information, see Script Exploits Overview (Visual Studio).

if (Num == 0)
   throw new HttpException("No value entered", 100);

if (num == 0) {
    throw new HttpException("No value entered", 100);

if(num == 0){
   throw new HttpException("No value entered", 100)

Windows 98, Windows Server 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0