private void load_data_to_sle_don_vi()
{
US_V_DM_DON_VI_2 v_us = new US_V_DM_DON_VI_2();
DS_V_DM_DON_VI_2 v_ds = new DS_V_DM_DON_VI_2();
v_us.FillDataset(v_ds);
m_sle_don_vi.Properties.ValueMember = DM_DON_VI.ID;
m_sle_don_vi.Properties.DisplayMember = DM_DON_VI.TEN_DON_VI;
m_sle_don_vi.Properties.DataSource = v_ds.Tables[0];
}