.. index:: 
  !DateTime.isValid Method
  
.. _id3_bioseal_date_time_is_valid_class_method:

===============================================================================
DateTime.isValid Method
===============================================================================

Module: :ref:`DateTime<id3_bioseal_date_time_class>`

Definition
----------

Indicates whether the date and/or time is valid.


.. code:: Dart

    bool isValid()

**Returns**

.. line-block::

    ``bool``
    true if date and/or time is valid.

**Exceptions**

.. line-block::

    :ref:`BiosealException<id3_bioseal_bioseal_exception>`
    An error has occurred during Bioseal Library execution.



