Maximum minimum time for the. Net Framework and SQL Server clutter

Today, the problems encountered in the work, the problem is solved, after the internet to find a bit, excerpts as follows:

Net Framewrok,
Datetime.minvalue = 0001/01/01 00:00:00

SqlDateTime.MinValue.Value = 1753/01/01 00:00:00

DateTime.MaxValue = 9999/12/31 23:59:59.999

SqlDateTime.MaxValue.Value = 9999/12/31 23:59:59.997

In SQL Server 2005,
DateTime Minimum value = 1753/01/01 00:00:00

smalldatetime minimum value = 1900/01/01 00:00:00

DateTime max = 9999/12/31 23:59:59.997

smalldatetime Maximum Value =>2079.6.6

Maximum minimum time for the. Net Framework and SQL Server clutter