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.Configuration;

public partial class login : System.Web.UI.Page
{
    
    protected void Page_Load(object sender, EventArgs e)
    {
        
    }
protected void Button1_Click(object sender, EventArgs e)
{
    SqlConnection concon = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString);
    concon.Open();
    string cmdstr = "Select count (*) from registration where Username='" + TextBox1.Text + "'";
    SqlCommand checkuser = new SqlCommand(cmdstr, concon);
    int temp = Convert.ToInt32(checkuser.ExecuteScalar().ToString());
    if (temp == 1)
    {
        string cmdstr2 = "Select Password from registration where Username='" + TextBox1.Text + "'";
        SqlCommand pass = new SqlCommand(cmdstr2, concon);
        string password = pass.ExecuteScalar().ToString();

        if (password == TextBox2.Text)
        {

            Session["new1"] = 0;
            Session["new5"] = TextBox1.Text;
            Response.Redirect ("f1.aspx" );
        }
        else
        {
            concon.Close();
            Label1.Visible = true;
            Label1.Text = "Invalid Password";
        }
    }
    else
    {
        concon.Close();
        Label1.Visible = true;
        Label1.Text = "Invalid UserName";
    }
}

protected void Button2_Click(object sender, EventArgs e)
{

}
}