Inside the
CheckBox
Click Event, you can get the Current
GridViewRow
. Then find the next Row's Index and retrieve that Row. Now, find the Image Control of this Row and do whatever you want to do.
Refer -
CASCADING DROPDOWNLIST ON GRIDVIEW[
^].
See the
DropDownList
SelectedIndexChanged
Event explained in the Blog and how to get the Row inside that Event. You just need to use use
CheckBox
Click Event and follow the same procedure to get the Current Row. Then get the next Row Index and next Row and do as I said.