void EditClient()
{
int id = 0;
string login = "";
try
{
login = lstClients.SelectedItem.ToString();
}
catch { return; }
var clients = from U in db.User
where U.Login == login
select U;
foreach (User U in clients)
id = U.ID_user;
frmClient frmC = new frmClient(connection, id);
frmC.ShowDialog();
db = new DB_CEGSA(connection);
ReadListClients();
}
private void tbtnAdd_Click(object sender, EventArgs e)
{
frmClient frmC = new frmClient(connection);
frmC.ShowDialog();
ReadListClients();
}