Login code

gistfile1.txt

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace launchOmatic
{
    public partial class Form1 : Form
    {          
        BL.BLL log = new BL.BLL();
        PL.main z = new PL.main();
        public Form1()
        {
            InitializeComponent();
        }

        private void pictureBox1_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }

        private void tu_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                tp.Focus();
            }
        }

        private void tp_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                btnlogin.Focus();