Subject | Re: [IBO] IBOQuery.OnFilter: BLOB is always empty |
---|---|
Author | Renaud |
Post date | 2005-06-20T13:03:15Z |
Hi Helen,
Yes, for few cases I need a none trivial filter on BLOB.
Of course I can encode the BLOB in another way, by coding some more
complicated OnGetText and OnSetText events.
But is there a simple way to know the BLOB in the OnFilter ? Or should I
definitely forget about it ?
Helen Borrie a écrit :
Yes, for few cases I need a none trivial filter on BLOB.
Of course I can encode the BLOB in another way, by coding some more
complicated OnGetText and OnSetText events.
But is there a simple way to know the BLOB in the OnFilter ? Or should I
definitely forget about it ?
Helen Borrie a écrit :
> At 11:29 AM 20/06/2005 +0000, you wrote:
>
> Is there a special reason why you need to use OnFilterRecord for your
> test? Generally, it will conflict with the Filter property and cause the
> dataset to be empty.
>
> If possible, use the Dataset.Filter property and apply a proper SQL search
> criterion, e.g.
> MyBlobText CONTAINING 'MyFilterCriterion'
>
> Helen