//判断为删除还是修改操作
    protected void gvCustomers_RowCommand(object sender, GridViewCommandEventArgs e)
    {
        //删除
        if (e.CommandName == "nDe")
        {
            bool res = Customer.DelCustomer(Convert.ToInt32(e.CommandArgument));
            if (!res)
            {
                ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('该客户的相关信息正在使用中,不允许删除!')</script>");
            }
        }
        //修改
        else if (e.CommandName == "Ed")
        {
            //获取ID号
            int Cusid = Convert.ToInt32(e.CommandArgument);
            //将ID号传到修改页面
            Response.Redirect("~/Customers/UpdateOrEditCustomer.aspx?Cusid=" + Cusid);
        }
        //更新数据
        allCustomers        = Customer.GetAllCustomers();
        anpPage.RecordCount = allCustomers.Count;


        //显示信息
        DisplayCustomer();
    }