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ScriptManager::IsInAsyncPostBack Property
Visual Studio 2010
Gets a value that indicates whether the current postback is being executed in partial-rendering mode.
Assembly: System.Web.Extensions (in System.Web.Extensions.dll)
[BrowsableAttribute(false)] public: virtual property bool IsInAsyncPostBack { bool get () sealed; }
Property Value
Type: System::Booleantrue if the current postback is executing in partial-rendering mode; otherwise, false.
Use the IsInAsyncPostBack property in combination with the IsPostBack property to distinguish between the initial page load, a partial-page update, and a full-page update in Load, InitComplete, or PreRender events.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
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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