public void execute(Form hander)
{
MainForm mf = hander as MainForm;
if (mf != null && mf.dataGridView1.RowCount > 0)
{
int i = mf.dataGridView1.CurrentRow.Index;
DataRowView drv = (DataRowView)mf.dataGridView1.Rows[i].DataBoundItem;
String id = drv["orderlistid"].ToString();
saleOrderService.deleteList(id);
mf.dataGridView1.DataSource = saleOrderService.getOrderListByOrderId(SystemInfo.CurrentOrderId);
mf.presenter.setCurrentOrder();
mf.presenter.selectLastRow();
}
}