private void addButton_Click(object sender, RoutedEventArgs e)
        {
            var resType = new ResourceTypes();
            var dialog  = new ResourceTypeEditWindow(resType);

            if (dialog.ShowDialog() == true)
            {
                try
                {
                    db.ResourceTypes_Create(resType.Name);

                    resTypesGrid.ItemsSource = null;
                    resTypesGrid.ItemsSource = db.ResourceTypes.ToList();
                }
                catch (Exception)
                {
                    MessageBox.Show("Проверьте введённые значения");
                }
            }
        }