The name does not exist in the current context


I installed VS2017 and am moving webpages from website into a new webapplication. I am getting

Error      CS0103      The name 'msg' does not exist in the current context      

any ideas?  thanks

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Data;

public partial class CremacLogin : System.Web.UI.Page
    protected void Page_Load(object sender, EventArgs e)

        Session["level"] = null;
        Session["user"] = null;

        msg.Text = Request.QueryString["msg"];


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Miguel OzSenior Software EngineerCommented:
It seems that you are missing msg in your aspx file. Please check.
If more help needed, please add your aspx file.
mcrmgAuthor Commented:
thanks for the quick reply. There is msg in the aspx file.  thanks

 <center><asp:Label id="msg" runat="server" style="font-weight:bold"></asp:Label>

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Miguel OzSenior Software EngineerCommented:
Check that you aspx url contains the msg as part of the query string. Your calling code may not be adding this query parameter to your URL.
Note: The label is not used as parameter in the page. If more help needed please post page URL.

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