title: cxGrid: how to cast a cell to a combobox-object
body: <p>i have a problem with my cxgrid. in my cxgrid there a different rows and columns which have comboboxes as properties. but how can i cast a special cell value to a combobox-object? for example: i want to set the itemindex of the combobox in row 1 and column 2 to 0.  </p>
  
  <p>thanks!</p>