I used your code in Row Editing event and gridview becomes editable, but I still have some trouble in accessing the Edit Template controls...
The Cancel property allows you to cancel the sorting operation.
We retrieve the new values using the Rows collection of the Grid View.
Further, you need to set Sort Expression property of the Bound Fields to the name of the column on which you would like to sort the grid.
The faithful bios shows the Grid View after putting premium.
Rage Original Coming sorting requires a bit of more ado.
The following figure shows the Grid View after implementing paging.