using System;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.OleDb;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        OleDbConnection dbConnection = new OleDbConnection(ConfigurationManager.ConnectionStrings["AccessConnectionString"].ConnectionString);

        dbConnection.Open();

        string SQL = "select * from members where username ='" + TextBox1.Text + "'";
        OleDbCommand dbCmd = new OleDbCommand(SQL, dbConnection);
        OleDbDataReader dbReader = dbCmd.ExecuteReader();

        string username = "", password = "", studentid = "";

        if (dbReader.Read())
        {
            username = (dbReader["username"]).ToString();
            password = (dbReader["password"]).ToString();
            studentid = (dbReader["studentid"]).ToString();
        }

        if (TextBox1.Text == username && TextBox2.Text == password)
        {
            Session["studentid"] = studentid;
            Response.Redirect("Default2.aspx");
        }
        else
        {
            Response.Write("Invalid Login Please Tryagain");
        }
    }
}