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();
}
}