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Page.IsAsync Property

Gets a value indicating whether the page is processed asynchronously.

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

public bool IsAsync { get; }

Property Value

Type: System.Boolean
true if the page is in asynchronous mode; otherwise, false;

Use the IsAsync property to determine whether the Web page is running in asynchronous mode. This information is useful if controls or code on the page need to modify their behavior depending on whether the page is asynchronous. For more information about asynchronous programming, see Asynchronous Operations (ADO.NET).

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

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.

.NET Framework

Supported in: 3.5, 3.0, 2.0

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