private void view_Click(object sender, RoutedEventArgs e)
        {
            DBWorker  dbConnection = new DBWorker();
            DataTable res          = new DataTable();

            if (dbConnection.isConnected)
            {
                if (radioLoadReg.IsChecked == true)
                {
                    res = dbConnection.ViewAvaliableModels(DbSelect.SelectReg);
                }
                if (radioLoadDes.IsChecked == true)
                {
                    res = dbConnection.ViewAvaliableModels(DbSelect.SelectDes);
                }
                if (radioLoadOpt.IsChecked == true)
                {
                    res = dbConnection.ViewAvaliableModels(DbSelect.SelectTech);
                }
            }
            Window viewer = new Window();

            viewer.MaxHeight = 600;
            viewer.MaxWidth  = 900;
            DataGrid dg = new DataGrid();

            dg.ItemsSource       = res.AsDataView();
            viewer.SizeToContent = System.Windows.SizeToContent.WidthAndHeight;
            viewer.Content       = dg;
            viewer.Show();
        }