[Zope] ODBC: Fieldname: Datatype is of Timestamp data type default value error

[jj bbox]

Hello ZopeU,

Z SQL method 
insert into table 
  values(
...,
...,
<dtml-sqlvar defaultDate type=string optional>
...,
)

If optional is used an error occurs due to null
value.  Any suggestions or solution for a defualt
value for defaultDate if the user does not input a
date???

Note defaultDate is of type Timestamp in an access db.

-jj

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