Cafe/ProjectCafe/Authorisation.xaml.cs

using ProjectCafe.Properties;
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 ProjectCafe
{
    /// <summary>
    /// Логика взаимодействия для Authorisation.xaml
    /// </summary>
    public partial class Authorisation : Page
    {
        gr672_bdaEntities db = new gr672_bdaEntities();
        public Authorisation()
        {
            InitializeComponent();
        }

        private void Auth_Ckick(object sender, RoutedEventArgs e)
        {
            if (txtLogin == null || txtPassword == null)
            {
                MessageBox.Show("Не все поля заполнены");
            }
            using (var db = new gr672_bdaEntities())
            {
                var user = db.EmployeeCafe
                .AsNoTracking()
                .FirstOrDefault(u => u.Login == txtLogin.Text && u.Password == txtPassword.Password);
                if (user == null)
                {
                    MessageBox.Show("Пользователь с таким именем не найден!");
                }
                int IdEmployee = user.IdEmployee;
                Application.Current.Properties["IdEmployee"] = IdEmployee;
                switch (user.RoleEmployee.IdRole)
                {
                    case 1:
                        FrameClass.MainFrame.Navigate(new Cook());
                        
                        break;
                    case 2:
                        FrameClass.MainFrame.Navigate(new EmployeePage());                        
                        break;
                    case 3:
                        FrameClass.MainFrame.Navigate(new Administrator());
                        break;
                }

            }
        }
    }
}