Dear ASP.NET Programmers,

How can I make an sqlparamater accept NULL value programmatically? I use the
following the code, but it does not work:

Dim admDate As SqlParameter
admDate = New SqlParameter("@admissionDate", SqlDbType.SmallDateTime)
admDate.isNullable = True
admDate.Value = CType(admissionDate, Date).Date.ToString("dd.MM.yyyy")

The compliler throws an exception when passing System.DBNull value to the
sqlparamater admDate.
Thanks in advance,

Buran