TEST/Кафе/Classes/auth.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Кафе.Classes
{
    public class auth
    {
        gr691_aasEntities db = new gr691_aasEntities();
        public void Auth(string login, string pasword)
        {
            Staff staff = db.Staff.FirstOrDefault(i => i.Login == login);
            if (staff != null)
            {
                if (staff.Login == login && staff.Password == pasword)
                {
                    switch (staff.Post_id)
                    {
                        case 0:
                            Win.ChefWin chef = new Win.ChefWin();
                            chef.Show();
                            break;

                        case 1:
                            Win.WeiterWin weiter = new Win.WeiterWin();
                            weiter.Show();
                            break;
                        case 2:
                            Win.AdminWin admin = new Win.AdminWin();
                            admin.Show();
                            break;

                    }

                }

            }


        }
    }
}