protected void btn_Submit_Click(object sender, EventArgs e) { UserGroup item = bll.GetItemById(id); item.GroupName = txtGroupName.Value; item.Zk = Convert.ToInt32(txtZK.Value); if (bll.UpdateItem(item) > 0) { Page.ClientScript.RegisterStartupScript(this.GetType(), "alert", "alert('修改成功')", true); } else { Page.ClientScript.RegisterStartupScript(this.GetType(), "alert", "alert('修改失败')", true); } }