The SortType property specifies how the column gets sorted. By default, the column's SortType is String. The CellCaption property indicates the values being sorted. Use the SortType property to specifies how the control will sort the column. Use the SortChildren property of Items to do a sort based on a column. Use the SingleSort property to specify whether the control supports sorting by single or multiple columns. The SortOrder property determines the column's sort order. The Sort event is fired when the user sorts a column. The SortPosition property changes the position of the column in the sorting columns collection. The CellData property specifies the values being sorted, if the SortType property is SortUserData, SortUserDataString.