Login

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 BugTraker
{
    public partial class Login : Form
    {
        UserController userCtrl = UserController.Instance;
        public Login()
        {
            InitializeComponent();
        }

        private void btnSubmit_Click(object sender, EventArgs e)
        {
            var username = txtUsername.Text;
            var password = txtPassword.Text;

            if(userCtrl.Login(username, password))
            {
                lblLoginFailed.Visible = false;

                this.Hide();
                var listUsers = new ListUsers();
                listUsers.Closed += (s, args) => this.Close();
                listUsers.Show();
            }
            else
            {
                lblLoginFailed.Visible = true;
            }
        }
    }
}