private void btnDelete_Click(object sender, EventArgs e)
 {
     if (dataGridView.SelectedRows.Count > 0)
     {
         var            engine         = dataGridView.SelectedRows[0].Cells;
         var            engineId       = int.Parse(engine[0].Value.ToString());
         EngineBusiness engineBusiness = new EngineBusiness();
         engineBusiness.Delete(engineId);
         PopulateDataGridViewDefault();
         ResetSelect();
     }
 }