[Lazarus] SQLDB issues.
Matt Shaffer
dazappa.matt at gmail.com
Wed Jan 6 05:57:07 CET 2010
I thought I would just do a little update. I've been successfully able to
write now, BUT, I don't believe the SQLdb components were really keeping
SQLite in mind (the db I'm using). You see, Lazarus opens a connection to
the SQLite database, preventing my app that's running (for debugging
purposes) from writing. So I have to build the app, close Lazarus, then run
my app... Should I file a bug report for this?
On Tue, Jan 5, 2010 at 8:02 PM, Matt Shaffer <dazappa.matt at gmail.com> wrote:
> Different issue: Saving to the database. I can't manage to figure this one
> out.
> If I do: query.ApplyUpdates; the database isn't actually written to.
> If I do: query.Post; query.ApplyUpdates; it says that it's not set for
> editing.
>
> So, where I'm having trouble is where to set the state? I've
> done query.State := dsEdit; but that understandably yells at me..
>
> On Tue, Jan 5, 2010 at 3:49 PM, Matt Shaffer <dazappa.matt at gmail.com>wrote:
>
>> It turned out that for some reason restarting the IDE fixed the problem.
>> The data now populates happily.
>>
>> 2010/1/5 Michael Van Canneyt <michael at freepascal.org>
>>
>>
>>> Can you post the files somewhere ? It should work; it sure does here.
>>>
>>> BTW. You can set the 'Active' property to true even in the designer,
>>> it should show the data in the grid as well.
>>>
>>> Michael.
>>>
>>>
>>> On Tue, 5 Jan 2010, Matt Shaffer wrote:
>>>
>>> Yes, it is indeed.
>>>>
>>>> On Tue, Jan 5, 2010 at 1:21 AM, Serge Girard (via Orange) <
>>>> girard.sergea at orange.fr> wrote:
>>>>
>>>> Matt Shaffer a écrit :
>>>>>
>>>>> So I found this helpful wiki page
>>>>>
>>>>>> http://wiki.lazarus.freepascal.org/SQLdb_Package for getting started
>>>>>> with
>>>>>> the db components. Great! I (believe) I've followed the tutorial
>>>>>> exactly,
>>>>>> everything's working until I try to drop a tdbgrid with my datasource
>>>>>> onto
>>>>>> the form. No data is shown. I double check my sql query, "select *
>>>>>> from
>>>>>> actions", I click the run button and the data shows, so I was confused
>>>>>> as to
>>>>>> why it wouldn't show in the grid. I compiled the program anyway,
>>>>>> thinking
>>>>>> maybe the IDE's auto query executor was broken, but no luck. Still
>>>>>> completely blank. I've tried the same thing with a dblistbox as well.
>>>>>>
>>>>>> Uhm , is your DbGrid/dblistbox linked to a datasource , and the
>>>>> datasource
>>>>> to your Query ?
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
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>>>>>
>>>>>
>>> --
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>>
>
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