System.Web.UI.Page.BelongsToGroup C# (CSharp) Метод

	bool BelongsToGroup(IValidator v, string validationGroup)
	{
		BaseValidator validator = v as BaseValidator;
		if (validationGroup == null)
			return validator == null || String.IsNullOrEmpty (validator.ValidationGroup); 
		else
			return validator != null && validator.ValidationGroup == validationGroup; 			
	}