Retrieves the IDataSource interface that the data-bound control is associated with, if any.
protected virtual IDataSource GetDataSource()
The control identified by the DataSourceID property does not exist in the current container.
- or -
The control identified by the DataSourceID property does not implement the IDataSource interface.
The GetData method calls the GetDataSource method internally. A valid IDataSource instance is retrieved by these two methods and is cached by the DataBoundControl object until the OnDataPropertyChanged method signals that the data source has changed.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.