private void button1_Click_1(object sender, EventArgs e)
{
List <ValidationResult> errors = new List <ValidationResult>();
foreach (TabPage p in tabControl1.TabPages)
{
IValidateable obj = (IValidateable)Activator.CreateInstance(Type.GetType("DataAnnotation1." + p.Name.Substring(3)));
obj.Init(p);
//VALIDATION!!
Validator.ParseNValidate(obj, errors);
}
MessageBox.Show(errors.Count < 1 ? "SUCCESS!!" : string.Join("", errors.Select(er => er.ErrorMessage).ToArray()));
}