void ConnectToDataSource ()
{
/* verify that the data source exists and is an IDataSource */
object ctrl = null;
if (Parent != null)
ctrl = Parent.FindControl (DataSourceID);
if (ctrl == null || !(ctrl is IDataSource)) {
string format;
if (ctrl == null)
format = "DataSourceID of '{0}' must be the ID of a control of type IDataSource. A control with ID '{1}' could not be found.";
else
format = "DataSourceID of '{0}' must be the ID of a control of type IDataSource. '{1}' is not an IDataSource.";
throw new HttpException (String.Format (format, ID, DataSourceID));
}
boundDataSource = (IDataSource)ctrl;
boundDataSource.GetView (String.Empty).DataSourceViewChanged += new EventHandler(OnDataSourceViewChanged);
}
#endif
