title: How to populate each DataGridViewComboBoxCell with different data?
body: <p>i have two DataGridViewComboBoxColumn that i add at run time i need the items of the first DataGridViewComboBoxColumn to stay the same in all the rows of the gridview but i want the items of the second DataGridViewComboBoxColumn to be different from row to the other depending on the selected item of the first DataGridViewComboBoxColumn</p>
  
  <p>if we say the first DataGridViewComboBoxColumn represents the locations and the second DataGridViewComboBoxColumn to represent the sublocations. so i want the second DataGridViewComboBoxColumn items to be the sublocations of the selected location from the first DataGridViewComboBoxColumn </p>