private void load_data_to_sle_loai_chuc_vu()
{
US_CM_DM_TU_DIEN v_us = new US_CM_DM_TU_DIEN();
DS_CM_DM_TU_DIEN v_ds = new DS_CM_DM_TU_DIEN();
v_us.FillDataset(v_ds,"WHERE ID_LOAI_TU_DIEN = 21");
m_sle_loai_chuc_vu.Properties.ValueMember = CM_DM_TU_DIEN.ID;
m_sle_loai_chuc_vu.Properties.DisplayMember = CM_DM_TU_DIEN.TEN;
m_sle_loai_chuc_vu.Properties.DataSource = v_ds.Tables[0];
}