public CheckedRegistrationInfo(string userName, string password, string name, int?age) :
base(_form.GetNextId(), userName, password, name, age)
{
if (!_form.Validate("UserName", userName))
{
throw new ArgumentException("Checked field is not specified");
}
if (!_form.Validate("Password", password))
{
throw new ArgumentException("Checked field is not specified");
}
if (!_form.Validate("Name", name))
{
throw new ArgumentException("Checked field is not specified");
}
if (!_form.Validate("Age", age))
{
throw new ArgumentException("Checked field is not specified");
}
}