System.Web.HttpApplication

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System.Web.HttpApplication

The System.Web.HttpApplication class accesses information for the current application. Table A.4 shows the properties of the HttpApplication class, Table A.5 shows its methods , and Table A.6 lists its events.

Table A.4. Properties of the System.Web.HttpApplication Class

Property Name	Description
Application	Gets the HttpApplicationState (application intrinsic object) for the current request.
Context	Gets an HttpContext (context intrinsic control) instance object, allowing access to the context under which the web server processes requests .
Modules	Provides access to a collection of all HttpModules registered for the application.
Request	Gets the HttpRequest (request intrinsic object) instance object for the current request, allowing access to HTTP information such as POST and GET data.
Response	Gets the HttpResponse (response intrinsic object) instance object for the current request.
Server	Gets the HttpServerUtility (server intrinsic object) instance object for the current web request, providing utility functions for use in the current application.
Session	Gets the HttpSessionState (session intrinsic object) instance object for the current web request, which enables access to state persistence between stateless requests.

Table A.5. Methods of the System.Web.Application Class

Method Name	Description
CompleteRequest	Bypasses all other events in the pipeline and forces the request to terminate prematurely.
Dispose	Cleans up HttpModule object instances.
Init	Initializes IHttpModule object instances and executes custom initialization code.

Table A.6. Events of the System.Web.Application Class

Event Name	Occurs When
AuthenticateRequest	The user 's identity ( System.Security.IPrincipal ) is established.
AuthorizeRequest	The user is verified as authorized for the request.
BeginRequest	A new request is made.
EndRequest	A new request is completed.
Error	The application encounters an unhandled exception.

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