//кнопка создания
        private void Btn_UserCreate_Click(object sender, RoutedEventArgs e)
        {
            //selectAccount = (Accounts)grid_UserAcc.SelectedItem;
            Accounts newAcc = new Accounts();

            #region Поля для аккаута
            newAcc.ID       = Guid.NewGuid();
            newAcc.DateBrth = DateTime.Now;

            if (Properties.Settings.Default.User_RoleName == "Агент" || Properties.Settings.Default.User_RoleName == "Разработчик")
            {
                newAcc.UserRole = Guid.Parse("7BB39BE3-8866-46A2-A38D-FB1EAE13531E");
            }

            #endregion

            AccountWindows AW = new AccountWindows(newAcc);
            if (AW.ShowDialog() == true)
            {
                if (App.bd.CreateUser(newAcc) == false)
                {
                    return;
                }
                UpdateData(newAcc);
            }
        }
 //кнопка изменения
 private void Btn_UserEdite_Click(object sender, RoutedEventArgs e)
 {
     selectAccount = (Accounts)grid_UserAcc.SelectedItem;
     if (selectAccount != null)
     {
         AccountWindows AW = new AccountWindows(selectAccount);
         if (AW.ShowDialog() == true)
         {
             if (App.bd.EditUser(selectAccount) == false)
             {
                 return;
             }
             UpdateData(selectAccount);
         }
     }
 }