private void listViewCars_SelectedIndexChanged(object sender, EventArgs e)
{
if (listViewCars.SelectedItems.Count == 1)
{
Cars car = listViewCars.SelectedItems[0].Tag as Cars;
textBoxModel.Text = car.Model;
comboBoxColour.Text = car.Colour;
textBoxPrice.Text = car.Price;
textBoxGosNumber.Text = car.GosNumber.ToString();
textBoxYear.Text = car.Year.ToString();
}
else
{
textBoxModel.Text = "";
comboBoxColour.Text = "";
textBoxPrice.Text = "";
textBoxGosNumber.Text = "";
textBoxYear.Text = "";
}
}
private void buttonDelete_Click(object sender, EventArgs e)
{
try
{
if (listViewCars.SelectedItems.Count == 1)
{
Cars car = listViewCars.SelectedItems[0].Tag as Cars;
Program.ADb.Cars.Remove(car);
Program.ADb.SaveChanges();
ShowCars();
}
textBoxModel.Text = "";
comboBoxColour.Text = "";
textBoxPrice.Text = "";
textBoxGosNumber.Text = "";
textBoxYear.Text = "";
}
catch
{
MessageBox.Show("Невозможно удалить, эта запись используется!", "Ошибка!",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void buttonAdd_Click(object sender, EventArgs e)
{
try
{
Cars car = new Cars();
car.Model = textBoxModel.Text;
car.Colour = comboBoxColour.Text;
car.Price = textBoxPrice.Text;
car.GosNumber = Convert.ToInt32(textBoxGosNumber.Text);
car.Year = Convert.ToInt32(textBoxYear.Text);
if (car.Model == "" || car.Colour == "" || car.Price == "")
{
throw new Exception("Не заполнены поля модели, цвета или цены");
}
Program.ADb.Cars.Add(car);
Program.ADb.SaveChanges();
ShowCars();
}
catch (Exception ex)
{
MessageBox.Show("" + ex.Message, "Ошибка!",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}