protected void EditTitleGridView_OnRowDataBound(object sender, GridViewRowEventArgs e)
{
// get the grid row from the event handler arguement
GridViewRow row = e.Row;
// here is how you get the data row (if you were curious)
DataRowView dr = row.DataItem as DataRowView;
// now find the control in the row by control ID
DropDownList myDropDown = row.FindControl("MyDropDown") as DropDownList;