QWE/Firewatch 2.0/AuthorizationWindow.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace Firewatch_2._0
{
    /// <summary>
    /// Логика взаимодействия для AuthorizationWindow.xaml
    /// </summary>
    public partial class AuthorizationWindow : Window
    {
        dbData db = new dbData();

        public AuthorizationWindow()
        {
            InitializeComponent();
        }

        public void Authorization_Click(object sender, RoutedEventArgs e)
        {
            Auth(txtloginBox.Text.Trim(), txtpasswordBox.Password.Trim());
        }

        public bool Auth(string login, string password)
        {
            if (string.IsNullOrEmpty(login) || string.IsNullOrEmpty(password))
            {
                MessageBox.Show("Введите логин и пароль");
                return false;
            }

            using (dbData db = new dbData())
            {
                var user = db.StaffISs
                    .AsNoTracking()
                    .FirstOrDefault(u => u.Login == txtloginBox.Text && u.Password == txtpasswordBox.Password);

                if (user == null)
                {
                    MessageBox.Show("Пользователь с такими данными не найден");
                    return false;
                }

                FirewatchWindow wa = new FirewatchWindow();
                wa.Show();
                Close();

                return true;
            }
        }

        private void Registration_Click(object sender, RoutedEventArgs e)
        {
            RegistrationWindow rw = new RegistrationWindow();
            rw.Show();
        }

        private void NewPass(object sender, RoutedEventArgs e)
        {
            NewPassWindow newPass = new NewPassWindow();
            newPass.Show();
        }
    }
}