private void chCityButton_Click(object sender, EventArgs e)
{
if (dataGridView5.SelectedRows.Count > 0)
{
int index = dataGridView5.SelectedRows[0].Index;
int id = 0;
bool converted = Int32.TryParse(dataGridView5[0, index].Value.ToString(), out id);
if (converted == false)
{
return;
}
City city = db.Cities.Find(id);
CityForm cityForm = new CityForm();
cityForm.textBox1.Text = city.Name;
List <City> cities = db.Cities.ToList();
DialogResult result = cityForm.ShowDialog(this);
if (result == DialogResult.Cancel)
{
return;
}
city.Name = cityForm.textBox1.Text;
db.Entry(city).State = EntityState.Modified;
db.SaveChanges();
PlaySound(Application.StartupPath + "\\strarttone.wav", 0, 1);
MessageBox.Show("Объект обновлен");
}
}
private void addCityButton_Click(object sender, EventArgs e)
{
CityForm cityForm = new CityForm();
List <City> cities = db.Cities.ToList();
DialogResult result = cityForm.ShowDialog(this);
if (result == DialogResult.Cancel)
{
return;
}
else
{
try
{
City city = new City();
city.Name = cityForm.textBox1.Text;
db.Cities.Add(city);
db.SaveChanges();
PlaySound(Application.StartupPath + "\\exclamationtone.wav", 0, 1);
MessageBox.Show("Новый город добавлен");
}
catch
{
PlaySound(Application.StartupPath + "\\errortone.wav", 0, 1);
MessageBox.Show("Не получилось добавить новый объект");
}
}
}