public RegistrationForm(LoginForm login)
 {
     InitializeComponent();
     this.login = login;
     login.Hide();
     Location = new Point(50, 5);
 }
        public JarmuBerloForm(LoginForm login, int user)
        {
            //inicializalasok a formon
            InitializeComponent();
            InitializeComponentLists();
            this.login = login;
            this.user = user;
            FillDgvVehicles("", "");
            vehicleList = vehicles.GetVehicleList("", "");
            FillMakerFilterCb();
            FillCategoryFilterCb();

            //ha berlo jelentkezett be, akkor az ennek fenntartott fieldeket aktivva teszi
            if (user > 0)
            {
                dtpLoanStart.Format = DateTimePickerFormat.Custom;
                dtpLoanStart.CustomFormat = "yyyy-MM-dd";
                dtpLoanStart.Value = DateTime.Today;
                dtpLoanStart.MinDate = DateTime.Today;
                dtpLoanEnd.Value = DateTime.Today;
                dtpLoanEnd.MinDate = DateTime.Today;
                dtpLoanEnd.Format = DateTimePickerFormat.Custom;
                dtpLoanEnd.CustomFormat = "yyyy-MM-dd";
                loanList = new List<Loan>();
                foreach (Control item in loanerItems)
                {
                    item.Enabled = true;
                }
            }
            //ha bejegyzo vagy admin lepett be, akkor a kozos fieldek lesznek aktivak
            else
            {
                foreach (Control item in registrantItems)
                {
                    item.Enabled = true;
                }
                FillMakersCb();
                FillCategoriesCb();
                FillOwnerCb();
                FillExportCb();
                if (user == 0) //ha admin, akkor az ennek specifikus fieldek is aktviak lesznek
                {
                    FillUsersCb();
                    FillUserGroupsCb();
                    cbExport.Items.Add("Felhasználók");
                    foreach (Control item in adminItems)
                    {
                        item.Enabled = true;
                    }
                }
            }
            Location = new Point(50, 5);
        }