>Can you post the SQL Profiler trace ?

In the Form/view i entert a value by 1050
The SQL Profiler Log:

exec sp_executesql N'UPDATE pim SET pimdterminanfang=@P1,pimzterminanfang=@P2,pimdterminende=@P3 WHERE pimlfdnr=@P4 AND pimdterminanfang=@P5 AND pimzterminanfang=@P6 AND pimdterminende=@P7', N'@P1 datetime,@P2 numeric(8,0),@P3 datetime,@P4 char(10),@P5 datetime,@P6 numeric(8,0),@P7 datetime', 'Mai 13 2004 12:00:00:000AM', 1049, 'Mai 13 2004 12:00:00:000AM', ' 112000697', 'Mai 13 2004 12:00:00:000AM', 1108, 'Mai 13 2004 12:00:00:000AM'

You can see the update statement @P2 the value is 1049