ดึงข้อมูลจาก ms acc มาใช้ยังไงในการทำ login ทำการ login เข้ามาแล้ว redirect ไปคนละหน้า user-> home admin->how แบบนี้ครับ

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.OleDb;

public partial class login : System.Web.UI.Page
{
    DataSet DS;
    private OleDbConnection CN()
    {
        OleDbConnection con = new OleDbConnection();
        con.ConnectionString = "provider=microsoft.ace.oledb.12.0; data source=" + Server.MapPath("app_data/pro.accdb");
        return con;
    }
    string sql;
    protected void Page_Load(object sender, EventArgs e)
    {
        sql = "select*from login";
        OleDbCommand cm = new OleDbCommand(sql, CN());
        DS = new DataSet();
        OleDbDataAdapter da = new OleDbDataAdapter(sql, CN());
        da.Fill(DS, "login");

    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        Response.Redirect("register.aspx?");
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        sql = "select from login where suser";
        sql = "select from login where spass";
        string sql3 = "select from login where slevel";
        string level = "select from login where slevel";
        DataRow[] dr = DS.Tables["login"].Select("suser='" + TextBox1.Text + "'");
        DataRow[] dr1 = DS.Tables["login"].Select("spass='" + TextBox2.Text + "'");
        DataRow[] dr3 = DS.Tables["login"].Select("slevel='user'");
        if (dr1.Length == 0 || dr.Length == 0) Response.Write("<script>alert('ไม่พบข้อมูล')</script>");
        if (dr1.Length != 0 && dr.Length != 0) Response.Redirect("home.aspx?");

    }
}