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AggregateCacheDependency::GetUniqueID Method
Visual Studio 2008
Retrieves a unique identifier for the AggregateCacheDependency object.
Assembly: System.Web (in System.Web.dll)
Return Value
Type: System::StringThe unique identifier for the AggregateCacheDependency object. If one of the associated dependency objects does not have a unique identifier, the GetUniqueId method returns nullptr.
The following code example uses the GetUniqueID method to create and display an identifier for an instance of the AggregateCacheDependency class, named aggDep, once it is created and populated.
' Create two CacheDependency objects, one to a ' text file and the other to an XML file. ' Create a CacheDependency array with these ' two objects as items in the array. txtDep = New CacheDependency(Server.MapPath("Storage.txt")) xmlDep = New CacheDependency(Server.MapPath("authors.xml")) Dim DepArray() As CacheDependency = {txtDep, xmlDep} ' Create an AggregateCacheDependency object and ' use the Add method to add the array to it. aggDep = New AggregateCacheDependency() aggDep.Add(DepArray) ' Call the GetUniqueId method to generate ' an ID for each dependency in the array. msg1.Text = aggDep.GetUniqueId() ' Add the new data set to the cache with ' dependencies on both files in the array. Cache.Insert("XMLDataSet", Source, aggDep)
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.
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