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Article #1431How to trap the DB errors in the VB5?
From: CaseOO
Date: Thu, 09 Apr 1998 00:00
Date: Thu, 09 Apr 1998 00:00
24 lines
1605 bytes
1605 bytes
I am developing a project in VB5.
This project is a local Database application.
I choiced the ACCESS as the local DB.
But on the progress,I met some problems.
1.How can I define the reference constrain and integration at the design-time.
2.If I must define the delete-cascade at the run-time.
3.I used the "database" object in the program to execute the
Action-SQL(Insert,Update,Delete).But I can't trap the return code from the
DBEngine. So,I don't know if the action to the DB is complete OK or not.
For instance,I have delete a record from a table,actually the record I want
to delete isn't in the specfic table.But the VB5 executed the SQL statement
without any error returned.
4.I have met another thing.It is when I insert a record to the DB,use the
SQL statement,the VB5 report 3075 error to me.But,when I copy the "insert"
SQL statement into the program "Visdata",it can execute correctly.
Thanks.
A programmer.
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: fc86e,d4b5d10faea07884,start X-Google-Attributes: gidfc86e,public From: CaseOO@Yahoo.Com Subject: How to trap the DB errors in the VB5? Date: 1998/04/09 Message-ID: <6ghq63$a0j$1@nnrp1.dejanews.com> X-Deja-AN: 342333297 X-Http-User-Agent: Mozilla/4.04 [en] (Win95; I) Organization: Deja News - The Leader in Internet Discussion X-Article-Creation-Date: Thu Apr 09 06:34:43 1998 GMT Newsgroups: cn.bbs.comp.program