protected void bt_OK_Click(object sender, EventArgs e) { PDT_ManufacturerBLL _Manufacturer = null; if (bt_OK.Text == "添加") { _Manufacturer = new PDT_ManufacturerBLL(); } else { _Manufacturer = new PDT_ManufacturerBLL((int)ViewState["ID"]); } pl_detail.GetData(_Manufacturer.Model); if (bt_OK.Text == "添加") { ViewState["ID"] = _Manufacturer.Add(); } else { _Manufacturer.Update(); } Response.Redirect("ManufacturerManage.aspx");//?ID=" + ViewState["ID"].ToString()); }