private void BtnAddAdministrator_Click(object sender, RoutedEventArgs e)
{
if (!Validation())
{
return;
}
Administrator administrator = new Administrator
{
FullName = tbAdministratorFullName.Text,
Login = tbAdministratorLogin.Text,
CreateDate = DateTime.Today,
Password = tbAdministratorPassword.Password,
PhoneNumber = tbPhoneNumber.Text,
Address = tbAddress.Text
};
dr.AddAdministrator(administrator);
ResetTextBox();
FillDG();
}