Slice/StoreServer/StartWorkPage.xaml.cs

using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
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 StoreServer
{
    /// <summary>
    /// Interaction logic for StartWorkPage.xaml
    /// </summary>
    public partial class StartWorkPage : Page
    {
        public StartWorkPage()
        {
            InitializeComponent();
        }

        private void BtnOfflineWork_Click(object sender, RoutedEventArgs e)
        {

        }

        public async void GetDataOfStore(string StoreID)
        {
            try
            {
                HttpClient client = new HttpClient();
                var response = await client.GetAsync($"http://127.0.0.1:8888/getDataOfStore?={StoreID}");
                var rBody = await response.Content.ReadAsStringAsync();
                if (rBody.Contains("Магазин не найден"))
                {
                    Helper.ErrorMessage($"{rBody}");
                    return;
                }
                RootDataOfStore FindStore = JsonConvert.DeserializeObject<RootDataOfStore>(rBody);
                Helper.FindStore = FindStore;
                ManagerFrame.MainFrame.Navigate(new MonitoringCashierPage());

            }
            catch (Exception)
            {
                Helper.ErrorMessage("Нет ответа от сервера");
            }


        }
        private void BtnFind_Click(object sender, RoutedEventArgs e)
        {
            if (string.IsNullOrEmpty(TxtIDStore.Text) || TxtIDStore.Text.All(char.IsDigit) == false) 
            {
                Helper.ErrorMessage("Не корректный ID");
                return;
            }
            GetDataOfStore(TxtIDStore.Text);
        }
    }
}