QWE/Firewatch 2.0/FirehouseWindow.xaml.cs

using System;
using System.Collections.Generic;
using System.Data.Entity.Validation;
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.Shapes;

namespace Firewatch_2._0
{
    /// <summary>
    /// Логика взаимодействия для FirehouseWindow.xaml
    /// </summary>
    public partial class FirehouseWindow : Window
    {
        dbData db = new dbData();
        public FirehouseWindow()
        {
            InitializeComponent();
            DataContext = new Firehouse();
        }

        public FirehouseWindow(Firehouse firehouse)
        {
            InitializeComponent();
            DataContext = firehouse;
        }

        private void Firehouse_OK(object sender, RoutedEventArgs e)
        {
            if (DataContext is Firehouse firehouse && firehouse.Firehouse_ID == 0)
            {
                Helper.context.Firehouses.Add(firehouse);
            }
            try
            {
                Helper.context.SaveChanges();
            }
            catch (DbEntityValidationException ex)
            {
                foreach (DbEntityValidationResult validationError in ex.EntityValidationErrors)
                {
                    MessageBox.Show("Object: " + validationError.Entry.Entity.ToString());

                    foreach (DbValidationError err in validationError.ValidationErrors)
                    {
                        MessageBox.Show(err.ErrorMessage + "");
                    }
                }
            }
            Close();
        }

        private void Firehouse_Close(object sender, RoutedEventArgs e)
        {
            Close();
        }
    }
}