private void load_data_2_sle_chon_don_vi()
{
DataSet v_ds = new DataSet();
v_ds = load_data_2_ds_v_dm_don_vi();
m_sle_chon_don_vi.Properties.DataSource = v_ds.Tables[0];
m_sle_chon_don_vi.Properties.TextEditStyle = DevExpress.XtraEditors.Controls.TextEditStyles.Standard;
m_sle_chon_don_vi.Properties.BestFitMode = DevExpress.XtraEditors.Controls.BestFitMode.BestFit;
}