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HttpContext.ApplicationInstance Property

Gets or sets the HttpApplication object for the current HTTP request.

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

public HttpApplication ApplicationInstance { get; set; }

Property Value

Type: System.Web.HttpApplication
The HttpApplication for the current HTTP request.
ASP.NET uses ApplicationInstance instead of Application as a property name to refer to the current HttpApplication instance in order to avoid confusion between ASP.NET and classic ASP. In classic ASP, Application refers to the global application state dictionary.

ExceptionCondition
InvalidOperationException

The Web application is running under IIS 7.0 in Integrated mode, and an attempt was made to change the property value from a non-null value to null.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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