Gets a value indicating whether the BaseDataBoundControl.DataSourceID property is set.
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Controls such as System.Web.UI.WebControls.GridView, System.Web.UI.WebControls.DetailsView, System.Web.UI.WebControls.FormView, and System.Web.UI.WebControls.Menu use the BaseDataBoundControl.IsBoundUsingDataSourceID property to determine whether the data-bound control is bound to an ASP.NET 2.0 data source control, such as an System.Web.UI.WebControls.ObjectDataSource or System.Web.UI.WebControls.SqlDataSource.