Inheritance: System.Windows.Forms.Form
 void pivotGridControl1_CellDoubleClick(object sender, DevExpress.XtraPivotGrid.PivotCellEventArgs e)
 {
     try
     {
         f441_thuc_linh_de frm = new f441_thuc_linh_de();
         frm.fillDataSource(e.CreateDrillDownDataSource());
         frm.ShowDialog();
     }
     catch (Exception v_e)
     {
         CSystemLog_301.ExceptionHandle(v_e);
     }
 }