You can filter data using the GridColumn.FilterInfo property of one or more columns. End-users can use filter dropdowns and the Auto Filter Row (in Grid Views) to filter data by the values of particular columns. The RowFilter property returns an expression representing the overall filtering condition applied. Below is an example of a filtering expression:[UnitPrice] > 10 AND [CategoryName] = 'Dairy Products'
The RowFilter property is equivalent to the ViewFilter.Expression property of the ActiveFilter object.
The FilterPanelText property represents the text representation of the RowFilter string and this is displayed within the Filter Panel.