这是加入购物车代码 点击按钮显示：未实现该方法或操作。是什么意思哪位大神看一下

Question

protected void btnShop_Click(object sender, EventArgs e)
{
    string Orderid;
    if (Session["UserName"] == null)
    {
        Alert.AlertAndRedirect("您还没有登录，请登录后再购买，谢谢合作！", "Default.aspx");

    }
    else
    {
        SqlDataReader dr = data.GetDataReader("select top 1 * from tb_Order where IsCheckout='否' and  Ordeuser='" + Session["UserName"].ToString() + "' order by id desc  ");
        if (dr.Read())
        {
            Orderid = dr["Orderid"].ToString();
        }
        else
        {

            Orderid = DateTime.Now.Day.ToString() + DateTime.Now.Hour.ToString() + DateTime.Now.Minute.ToString() + DateTime.Now.Second.ToString() + DateTime.Now.Millisecond.ToString();
            string sqlOrder = "insert into tb_Order(Orderid,Ordeuser,OrderStite,ShangPinId,shuliang)values('" + Orderid + "','" + Session["UserName"].ToString() + "','未发货','" + Request.QueryString["id"].ToString() + "','"+TextBox1.Text+"')";
            data.RunSql(sqlOrder);
        }
        sqlconn.Open();                                                            
        string strid = Page.Request.QueryString["ShangPinID"];
        string sqlstr = "insert into tb_OrderInfo"
            + "(OrderID,OrderMember,ShangPinID,ShangPinName,ShangPinTypeID,ShangPinTypeName,ShangPinPrice,IsCheckout,shuliang)"
            + " values('" + Orderid + "','" + Session["UserName"].ToString() + "','" + Request.QueryString["id"].ToString() + "','"
            + Label2.Text + "','" + Hidden1.Value + "','" + Label3.Text
            + "','" + Label4.Text + "','否','" + TextBox1.Text + "')";
        data.RunSql(sqlstr);
        Response.Redirect("Shopping.aspx");
    }
}

}

Answer 1

你这应该是界面上问题吧，如果有些对应的方法，估计是先后顺序问题；或者你就缺这个方法