private void load_data_to_grid()
{
US_RPT_THONG_TIN_TONG_HOP_V2 v_us_rpt = new US_RPT_THONG_TIN_TONG_HOP_V2();
var v_dt_source = v_us_rpt.LayDuLieuHeSo(get_from_date(), get_to_date());
m_grc_main.DataSource = v_dt_source;
m_grc_main.RefreshDataSource();
}