Sort Data in Grid Views
To sort records by a column’s values and replace existing sort conditions that are applied to the current or other columns, click the target column’s header, an Up or Down Arrow icon will be displayed within the header. The Up and Down Arrows indicate ascending and descending sort orders respectively.
To sort records by a column’s values while preserving existing sort conditions, do one of the following:
To remove sorting by a column, click a column header while holding the CTRL key down. You can also select Clear Sorting from the column header context menu.