protected void Page_Load(object sender, EventArgs e) { ProductDetail ent = null; switch (this.RequestAction) { case RequestActionEnum.Delete: ent = this.GetTargetData <ProductDetail>(); ent.DoDelete(); this.SetMessage("删除成功!"); break; default: if (RequestActionString == "batchdelete") { DoBatchDelete(); } else { DoSelect(); } break; } }