private void btnAddCar_Click(object sender, EventArgs e)
        {
            var addEditVehicle = new AddEditVehicle(this);

            addEditVehicle.MdiParent = this.MdiParent;
            addEditVehicle.Show();
        }
 private void btnEditCar_Click(object sender, EventArgs e)
 {
     try
     {
         //get id
         var id = (int)gvRecList.SelectedRows[0].Cells["id"].Value;
         //query database
         var car = _db.typesOfCars.FirstOrDefault(q => q.id == id);
         //launch with edit
         var addEditVehicle = new AddEditVehicle(car, this);
         addEditVehicle.MdiParent = this.MdiParent;
         addEditVehicle.Show();
     }
     catch (Exception ex)
     {
         MessageBox.Show($"Error:{ex.Message}");
     }
 }