UP_Travel_Agency/travel/ViewModels/MainWindowViewModel.cs

using Avalonia.Controls;
using ReactiveUI;
using System;
using System.Collections.Generic;
using System.Linq;
using travel.Models;
using travel.ViewModels;
using travel.Views;

namespace travel.ViewModels
{
    public class MainWindowViewModel : ViewModelBase
    {
        public static UpShechkovaContext myConnection = new UpShechkovaContext();
        UserControl us = new ToursPage();
        public UserControl US { get => us; set => this.RaiseAndSetIfChanged(ref us, value); }
        ToursPageViewModel tPVMl1VM = new();
        public ToursPageViewModel TP_VM { get => tPVMl1VM; set => tPVMl1VM = value; }

        HotelPageViewModel hpVM = new HotelPageViewModel();
        public HotelPageViewModel hp_VM { get => hpVM; set => hpVM = value; }

        HotelCardViewModel hcVM = new HotelCardViewModel();
        public HotelCardViewModel hc_VM { get => hcVM; set => hcVM = value; }


        public void GoPageHotel()
        {
            hp_VM = new HotelPageViewModel();
            US = new HotelPage();
        }
        public void GoPageTour()
        {
            TP_VM = new ToursPageViewModel();
            US = new ToursPage();
        }
        public void GoHotelCard()
        {
            hc_VM = new HotelCardViewModel();
            US = new HotelCard();
        }
        public void GoHotelCardChange(int ID)
        {
            hc_VM = new HotelCardViewModel(ID);
            US = new HotelCard();
        }
    }
}