Verifies that the object a data-bound control binds to is one it can work with.
Assembly: System.Web (in System.Web.dll)
The method is called only in the BaseDataBoundControl class's mutator (setter) for the DataSource property. The HierarchicalDataBoundControl class checks the type of the object that is set for the DataSource property to ensure that it is an instance of the IHierarchicalEnumerable or IHierarchicalDataSource interfaces.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, 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.