Before the GridView control can be rendered, each row in the control must be bound to a record in the data source. The RowDataBound event is raised when a data row (represented by a GridViewRow object) is bound to data in the GridView control.
Check out the documentation on this event
here[
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There is an interesting article,
RowDatabound event tips and tricks in Gridview control[
^] which should help you get started with this event.
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