how to run this proc in SQL Analyzer?

hi, guys

I have a stored procedure, like that:

CREATE PROCEDURE [dbo].[ViewTitles]
@.UID int,
@.DateStart datetime,
@.DateEnd datetime,
........

When I run this query in SQL Analyzer like this:
ViewTitles 6165, '2006-01-29 10:00:00', '2006-02-29 10:00:00'

It alwasy shows:
Error converting data type varchar to datetime.

If I run it in code, asp.net, or report, no problem at all.
What is wrong with that?

Thanks.

What is the dateformat of the session when logged in through ISQLW? You can verify this by looking at output of DBCC USEROPTIONS. Look for set option "dateformat". In addition to this, you should one of the ISO 8601 formats for datetime literals that should be interpreted correctly irrespective of the language or dateformat settings. Specify the value instead like '2006-01-29T10:00:00'.