private void btnUpdate_Click(object sender, EventArgs e)
{
if (dgvCity.SelectedRows.Count > 0)
{
int index = dgvCity.SelectedRows[0].Index;
int id = 0;
bool converted = Int32.TryParse(dgvCity[0, index].Value.ToString(), out id);
if (converted == false)
{
return;
}
City city = db.Cities.Find(id);
CityForm cityForm = new CityForm();
cityForm.txtName.Text = city.Name;
DialogResult result = cityForm.ShowDialog(this);
if (result == DialogResult.Cancel)
{
return;
}
city.Name = cityForm.txtName.Text;
db.SaveChanges();
dgvCity.Refresh(); // обновляем грид
MessageBox.Show("Объект обновлен");
}
}
private void btnAdd_Click(object sender, EventArgs e)
{
CityForm cityForm = new CityForm();
DialogResult result = cityForm.ShowDialog(this);
if (result == DialogResult.Cancel)
{
return;
}
City city = new City();
city.Name = cityForm.txtName.Text;
db.Cities.Add(city);
db.SaveChanges();
MessageBox.Show("New object has successfully added!");
}
