Checkboxes are demonstrated in the following code library,
The only case that is not covered is that the header checkbox is not checked based on the checked checkboxes in the rows, however this could be easily implemented with the help of the dataBound
event of the Grid.
Also I would like to note that autoSync
of the dataSource is not enabled so checking the items won't be persisted on the database without explicitly clicking the Save Changes button (other way when you switch pages changes will be lost).
I modified the code library project to demonstrate the case.
I hope this helps.
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