Cxz/AddRegistration.xaml.cs

using System;
using System.Collections.Generic;
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 Learn
{
    /// <summary>
    /// Логика взаимодействия для AddRegistration.xaml
    /// </summary>
    public partial class AddRegistration : Window
    {
        Entities DB = new Entities();
        ClientService cs = new ClientService();
        int ServId = 0;

        public AddRegistration()
        {
            InitializeComponent();
        }

        public AddRegistration(int id)
        {
            InitializeComponent();
            ServId = id;
            ServName.Text = DB.Service.Where(x => x.ID == id).Select(x => x.Title).First();
            Duration.Text = (DB.Service.Where(x => x.ID == id).Select(x => x.DurationInSeconds).First() / 60).ToString();
            List<string> clients = new List<string>();
            foreach (Client c in DB.Client)
            {
                clients.Add($"{c.LastName} {c.FirstName} {c.Patronymic}");
            }
            Client.ItemsSource = clients;
        }

        private void MakeReg(object sender, RoutedEventArgs e)
        {
            cs.ClientID = Client.SelectedIndex + 1;
            cs.ServiceID = ServId;
            DateTime tm = Convert.ToDateTime(TimeServ.Text);
            DateTime DateReg = new DateTime(DateServ.SelectedDate.Value.Year, DateServ.SelectedDate.Value.Month, DateServ.SelectedDate.Value.Day, tm.Hour, tm.Minute, tm.Second);
            cs.StartTime = DateReg;
            DB.ClientService.Add(cs);
            DB.SaveChanges();
            MessageBox.Show("Запись сделана");
            this.Close();
        }
    }
}