Create Simple Login Form in C#.NET without Database

code:
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 simpleloginform
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void btnLogin_Click(object sender, EventArgs e)
        {
            string user, pass;
            user = txtUser.Text;
            pass = txtPass.Text;
            if(user=="admin"&& pass=="admin")
            {
                MessageBox.Show("successful");
            }
            else
            {
                MessageBox.Show("error");
            }
        }
    }
}

Watch the video: