private List<int> GetSelectedRows(GridView view)
{
List<int> v_lst = new List<int>();
int[] rows = m_grv_cham_cong.GetSelectedRows();
for (int i = 0; i < rows.Length; i++)
if (!m_grv_cham_cong.IsGroupRow(rows[i]))
{
v_lst.Add(rows[i]);
}
return v_lst;
}