private void btnAdd_Click(object sender, EventArgs e)
        {
            frmProductionPlanAddEdit frm = new frmProductionPlanAddEdit();

            frm.ShowDialog();
            Search();
        }
 private void btnEdit_Click(object sender, EventArgs e)
 {
     if (viewDuLieu.RowCount > 0)
     {
         frmProductionPlanAddEdit frm = new frmProductionPlanAddEdit(viewDuLieu.GetRowCellValue(viewDuLieu.FocusedRowHandle, "Id").ToString());
         DialogResult             dr  = frm.ShowDialog();
         if (dr == DialogResult.OK)
         {
             Search();
         }
     }
 }