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ApplicationHost.CreateApplicationHost Method

Creates and configures an application domain for hosting ASP.NET.

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

public static Object CreateApplicationHost (
	Type hostType,
	string virtualDir,
	string physicalDir
public static Object CreateApplicationHost (
	Type hostType, 
	String virtualDir, 
	String physicalDir
public static function CreateApplicationHost (
	hostType : Type, 
	virtualDir : String, 
	physicalDir : String
) : Object
Not applicable.



The name of a user-supplied class to be created in the new application domain.


The virtual directory for the application domain; for example, /myapp.


The physical directory for the application domain where ASP.NET pages are located; for example, c:\mypages.

Return Value

An instance of a user-supplied class used to marshal calls into the newly created application domain.

Exception typeCondition


The Web host computer is not running the Windows NT platform or a Coriolis environment.

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

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