WebService.Application Property

Gets the application object for the current HTTP request.

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

public HttpApplicationState Application { get; }
/** @property */
public HttpApplicationState get_Application ()

public function get Application () : HttpApplicationState

Not applicable.

Property Value

An HttpApplicationState object.

XML Web services can use both application state and session state. Application state is maintained across all sessions accessing an XML Web service regardless of whether session state is turned off for a method(by using the EnableSession property of the WebMethodAttribute).

The example below demonstrates a hit counter, incrementing the count every time a browser calls the XML Web service method.

<%@ WebService Language="C#" Class="Util"%>
 using System.Web.Services;
 
 public class Util: WebService {
   [ WebMethod(Description="Application Hit Counter",EnableSession=false)]
    public int HitCounter() {
       if (Application["HitCounter"] == null) {
          Application["HitCounter"] = 1;
       }
       else {
          Application["HitCounter"] = ((int) Application["HitCounter"]) + 1;
          }
       return ((int) Application["HitCounter"]);
    }   
 }
    

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, 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

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