[AccessD] combo box 101

William Benson vbacreations at gmail.com
Wed Aug 10 11:57:19 CDT 2011


John what does "dynamic SQL in the control itself" mean?
On Aug 10, 2011 2:00 AM, "jwcolby" <jwcolby at colbyconsulting.com> wrote:
> I find all of these arguments valid however I also use Rick Fisher's Find
and Replace which can find
> unused objects and allow me to delete them. When you start manipulating
the query in code then
> dynamic sql in the control itself seems superior in most cases.
>
> John W. Colby
> www.ColbyConsulting.com
>
> On 8/9/2011 9:44 PM, Stuart McLachlan wrote:
>> On 9 Aug 2011 at 21:04, William Benson (VBACreations. wrote:
>>
>>> I think those who are comfortable with a lot of queries in their
>>> database -- which there is no easy way to tell where that query is
>>> being used, either in rowsources or in dependent queries ... probably
>>> work in very stable object environments.
>>>
>>
>>
>> That's my main concern too.
>>
>> If you only use queries in VBA, it is easy to search and tabulate all
occurences of a query
>> name so that you can easily determine all the places it is used. That
means that you can
>> ensure that it is safe to modify/delete queries.
>>
>> If however you use them as the source of various controls/forms/reports
it is MUCH harder to
>> determine whether it is safe to modify/delete a query.
>>
>> 1. I've deleted this combobox on this form. Can I delete the query that I
used to populate it or
>> is it used by another combobox somewhere on another form/report?
>>
>> 2. Users now want this combobox on this form sorted by firstname instead
of lastname.
>> Can I safely change the sort order of the query - Is the same query used
in another
>> combobox on another form?
>> Do I have to create a new one query for this combobox or is there another
query somewhere
>> already that does this which I can use instead?
>> If I use a different query, can I safely delete the old one or is it
still in use elsewhere?
>>
>> 3. There have been a number of changes made to various components of the
application.
>> Which of these queries are still in use somewhere and which should be
deleted?
>>
>>
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