private void load_data_2_grid()
{
int v_row_count = 0;
CHRMCommon.make_stt(m_grv_cham_cong);
US_DUNG_CHUNG v_us = new US_DUNG_CHUNG();
DataSet v_ds = new System.Data.DataSet();
v_ds.Tables.Add(new DataTable());
v_us.FillDatasetGDChamCong(v_ds, m_dat_ngay_cham_cong.Value.Date);
v_row_count = v_ds.Tables[0].Rows.Count;
m_grc_cham_cong.DataSource = v_ds.Tables[0];
}