BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Exceptions raised in OnBeforeUpdate lost          BorlandTalk.com Forum Index -> Delphi Databases (Multi-Tier) View previous topic :: View next topic   Author Message Martin Stephenson Guest Posted: Sun Apr 11, 2004 9:44 pm    Post subject: Exceptions raised in OnBeforeUpdate lost I have written my own Provider.OnBeforeUpdate event to generate SQL. If I get an exception raised when generating the SQL (I was getting cannot convert Null to AsString or something similar) then the event was failing, no further records were being processed by the event but the exception was being lost. I have solved the error by using VarIsNull but why is the exception not being passed up ? Martin Back to top David M Guest Posted: Tue Apr 13, 2004 7:28 pm    Post subject: Re: Exceptions raised in OnBeforeUpdate lost On Sun, 11 Apr 2004 22:44:00 +0100, "Martin Stephenson" <w_orbit (AT) hotmail (DOT) com> wrote: Quote: I have written my own Provider.OnBeforeUpdate event to generate SQL. There is no OnBeforeUpdate event handler. Which event handler have you hooked ? BeforeUpdateRecord, or OnUpdateData ? David M Back to top Martin Stephenson Guest Posted: Thu Apr 15, 2004 6:53 pm    Post subject: Re: Exceptions raised in OnBeforeUpdate lost Oops. sorry, event is BeforeUpdateRecord Thats what comes of writing the post from home without having the code in front of me ! Thanks Martin "David M" <borlandnewsWITHNO (AT) SPAMmoorhouse (DOT) net.nz> wrote Quote: On Sun, 11 Apr 2004 22:44:00 +0100, "Martin Stephenson" [email]w_orbit (AT) hotmail (DOT) com[/email]> wrote: I have written my own Provider.OnBeforeUpdate event to generate SQL. There is no OnBeforeUpdate event handler. Which event handler have you hooked ? BeforeUpdateRecord, or OnUpdateData ? David M Back to top Dave Rowntree Guest Posted: Fri Apr 16, 2004 8:47 am    Post subject: Re: Exceptions raised in OnBeforeUpdate lost "Martin Stephenson" <w_orbit (AT) hotmail (DOT) com> wrote: Quote: Oops. sorry, event is BeforeUpdateRecord CDS.ApplyUpdates does not re-raise exceptions raised at the DSP. They are surfaced as update errors in the CDS.OnReconcileError event. Look in help for CDS.OnReconcileError event. It includes an example of how you can use the supplied HandleReconcileError dialog. -- Dave Rowntree Back to top Fabio Dell'Aria Guest Posted: Thu May 06, 2004 8:47 am    Post subject: Re: Exceptions raised in OnBeforeUpdate lost Dave Rowntree <daver (AT) spam_off (DOT) brookswood.co.uk> wrote Quote: "Martin Stephenson" <w_orbit (AT) hotmail (DOT) com> wrote: Oops. sorry, event is BeforeUpdateRecord CDS.ApplyUpdates does not re-raise exceptions raised at the DSP. They are surfaced as update errors in the CDS.OnReconcileError event. Look in help for CDS.OnReconcileError event. It includes an example of how you can use the supplied HandleReconcileError dialog. You can try EurekaLog ([url]www.eurekalog.com)[/url]. EurekaLog is an add-in tool that gives to your application (GUI, Console, Web, etc.) the ability to catch every exception (even those raised by memory leaks) and every infinite-loops/deadlock bugs, generating a detailed log of call stack (with unit, class, method and line #), showing and sending it back to you via email. -- Best regards... Fabio Dell'Aria. 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