private void ButtonDel_Click(object sender, EventArgs e)
{
try
{
if (listViewCar.SelectedItems.Count == 1)
{
CarSet car = listViewCar.SelectedItems[0].Tag as CarSet;
Program.catalog.CarSet.Remove(car);
Program.catalog.SaveChanges();
ShowCar();
}
}
catch
{
MessageBox.Show("Невозможно удалить, эта запись используется!", "Ошибка!",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void ListViewCar_SelectedIndexChanged(object sender, EventArgs e)
{
if (listViewCar.SelectedItems.Count == 1)
{
CarSet car = listViewCar.SelectedItems[0].Tag as CarSet;
textBoxBrand.Text = car.CarBrand;
textBoxCountry.Text = car.Country;
comboBoxAutoMaker.Text = car.IdAutomaker.ToString() + "." +
car.Automaker.NameAutomaker + " - " + car.Automaker.Country;
textBoxYear.Text = car.Year;
}
else
{
textBoxBrand.Text = "";
textBoxCountry.Text = "";
comboBoxAutoMaker.SelectedItem = null;
textBoxYear.Text = "";
}
}
private void ButtonAdd_Click(object sender, EventArgs e)
{
try
{
CarSet car = new CarSet();
if (textBoxBrand.Text == "" || textBoxCountry.Text == "" || comboBoxAutoMaker.SelectedItem == null)
{
throw new Exception("Обязательные данные не заполнены");
}
else
{
car.CarBrand = textBoxBrand.Text;
car.Country = textBoxCountry.Text;
car.IdAutomaker = Convert.ToInt32(comboBoxAutoMaker.SelectedItem.ToString().Split('.')[0]);
}
car.Year = textBoxYear.Text;
Program.catalog.CarSet.Add(car);
Program.catalog.SaveChanges();
ShowCar();
}
catch (Exception ex) { MessageBox.Show("" + ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Information); }
}