inserting date created with new record

inserting date created with new record

am 24.04.2008 18:24:03 von dean.h.brown

I'm trying to set the date created when I add a new record: (using a

This works:
ConnectionString="<%$ ConnectionStrings:ConnectionString
InsertCommand="INSERT INTO [AdultEvent] ([DateCreated],
[DateLastModified], [EventName])
VALUES ('04/23/2008', '04/23/2008', @EventName)"

but I want the dates to be the current date and time.

I've tried variations on this:
VALUES ('<%$ DateTime.Now.ToString('MM/dd/yyyy') %>', '04/23/2008',

But I get:
System.Data.SqlClient.SqlException: Incorrect syntax near 'MM'.

VALUES ('<%$ DateTime.Now %>', '04/23/2008', @EventName)"

System.Data.SqlClient.SqlException: Conversion failed when converting
datetime from character string