สอบถามเรื่องการกำหนดสิทธิการเข้าใช้งานตอน Login ASP.NET(C#) หน่อยครับ

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

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

    }
    protected void Button1_Click1(object sender, EventArgs e)
    {
        SqlConnection objConn = null;
        string strConnString = null;
        StringBuilder strSQL = default(StringBuilder);
        SqlCommand objCmd = null;
        int intCount = 0;

        //*** Open Connection ***'
        strConnString = @"Data Source=PANPOO-PC\SQLEXPRESS;Initial Catalog=C:\PROJECT\TEST2\APP_DATA\DATABASE.MDF;Integrated Security=True";
        objConn = new SqlConnection();
        objConn.ConnectionString = strConnString;
        objConn.Open();

        //*** Check Login ***'
        strSQL = new StringBuilder();
        strSQL.Append(" SELECT roleID FROM Member ");
        strSQL.Append(" WHERE Username = @sUsername ");
        strSQL.Append(" AND Password = @sPassword ");
        objCmd = new SqlCommand(strSQL.ToString(), objConn);
        objCmd.Parameters.Add("@sUsername", SqlDbType.VarChar).Value = this.txtUsername.Text;
        objCmd.Parameters.Add("@sPassword", SqlDbType.VarChar).Value = this.txtPassword.Text;
        intCount = (int)objCmd.ExecuteScalar();

        objConn.Close();
        objConn = null;

        if (intCount <= 0)
        {
            this.lblStatus.ForeColor = System.Drawing.Color.Red;
            this.lblStatus.Text = "Username or Password wrong!";
        }
        else if (intCount == 1)
        {
            Session["strUsername"] = this.txtUsername.Text;
            Response.Redirect("frmAdmin.aspx");
        }
        else if (intCount == 2)
        {
            Session["strUsername"] = this.txtUsername.Text;
            Response.Redirect("frmEmployee.aspx");
        }
        else if (intCount == 3)
        {
            Session["strUsername"] = this.txtUsername.Text;
            Response.Redirect("frmMember.aspx");
        }
    }
}