protected void TriggerBox1_TriggerClick(object sender, EventArgs e)
        {
            //填充grid
            DataSet   ds     = bll.查询部门();
            DataTable dt     = ds.Tables[0].Copy();//复制一份table
            DataTable source = dt;

            // 3.绑定到Grid
            Grid8.DataSource = source;//DataTable
            Grid8.DataBind();
            Window5.Hidden = false;
        }