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AsyncPostBackTrigger::HasTriggered Method
Visual Studio 2010
Returns a value that indicates whether the trigger was invoked.
Assembly: System.Web.Extensions (in System.Web.Extensions.dll)
Control developers can override the HasTriggered method to provide custom logic for determining whether the trigger was invoked. To see a custom trigger in the Triggers element of the UpdatePanel control, you can add an @ Register directive to the page or to the controls element of the Web.config file.
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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