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I'm having two check box lists by the side , basically two columns of lists. So if the user click the check boxes which are by the side of each other at the same time it should not let them do it instead let them only select one chek box.How do I code for that?
Thank you

1 solution

for (int cbkNum = 0; cbkNum < CheckBoxList1.Items.Count; cbkNum++)
   if (CheckBoxList1.Item[cbkNum].Selected)
       CheckBoxList2.Item[cbkNum].Enabled = false;
       CheckBoxList2.Item[cbkNum].Enabled = true;

and the same routine for CheckBoxList2 whic enables or disables item in CheckBoxList1 of course
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