Turaev_BD_11.20.1/Тураев_БД 11.20.1/Pages/AuthPage.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.Navigation;
using System.Windows.Shapes;

namespace Тураев_БД_11._20._1.Pages
{
    /// <summary>
    /// Логика взаимодействия для AuthPage.xaml
    /// </summary>
    public partial class AuthPage : Page
    {
        public AuthPage()
        {
            InitializeComponent();
        }

        private void ButtonEnter_OnClick(object sender, RoutedEventArgs e)
        {
            if (string.IsNullOrEmpty(TextBoxLogin.Text) || string.IsNullOrEmpty(PasswordBox.Password))
            {
                MessageBox.Show("Введите логин и пароль!");
                return;
            }
        }
    }
}