private void AddSourceButton_Click(object sender, RoutedEventArgs e) { try { _SQLClient.InsertSource( SourceNameTextBox.Text, SourceAuthorTextBox.Text, int.Parse(SourceYearTextBox.Text) ); Frames.Sources.Instance.SelectSources(); } catch (Exception ex) { MessageBox.Show(ex.Message, "Ошибка"); } Frames.Properties.Instance.RefreshDataGrid(); }