The best solution to the date problem is to restrict users from entering invalid dates. This can be done on either the client or the server side.
Restricting invalid dates on the client side is as simple as
always using the .NET
DateTime class to
handle dates. The
DateTime class will only
allow valid dates, ensuring that the values in your database are
also valid. The disadvantage of this is that it is not useful in
a mixed environment where .NET and non .NET code are used to
manipulate the database, as each application must perform its
own date validation.
Users of MySQL 5.0.2 and higher can use the new
traditional SQL mode to restrict invalid date
values. For information on using the
traditional SQL mode, see
Server SQL Modes.