Adding this attribute to a method within an XML Web service created using ASP.NET makes the method callable from remote Web clients. This class cannot be inherited.
Assembly: System.Web.Services (in System.Web.Services.dll)
Methods within a class that have this attribute set are called XML Web service methods. The method and class must be public and running inside an ASP.NET Web application.
|Walkthrough: Creating and Using an ASP.NET Web Service in Visual Web Developer||Building ASP .NET Web Applications in Visual Studio|
In the example below the method GetMachineName can be remotely called across the Web, because it has a . GetUserName cannot be called remotely, because it does not have a , even though it is public.
<%@ WebService Language="VB" Class="Util"%> Imports System Imports System.Web.Services Public Class Util Inherits WebService Public Function GetUserName() As String Return User.Identity.Name End Function <WebMethod(Description := "Obtains the Server Machine Name", _ EnableSession := True)> _ Public Function GetMachineName() As String Return Server.MachineName End Function End Class
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.