private void load_data_2_grid()
{
US_DUNG_CHUNG v_us = new US_DUNG_CHUNG();
DataSet v_ds = new DataSet();
v_ds.Tables.Add(new DataTable());
v_us.FillDatasetWithTableName(v_ds, "V_DM_LOAI_NGAY_CONG");
m_grc_dm_loai_ngay_cong.DataSource = v_ds.Tables[0];
}