Install rxfpc from LazarusCCR.
В Срд, 24/08/2011 в 11:46 +0000, "Arí Ricardo Ody" пишет: > Hi Michael! > > I beg your pardon but I don't understand your explanation about > DBComboBox and DBLookupComboBox. I only want to show a list of codes > contained in a SQLite 3 SQL table column and select one them. > > About the rx 1.0: I install it via Package|Install/Uninstall packages, > uninstall and install again and can't find new Data Controls(twice) in > my 0.9.30 Ide. > > Cheers > > Ricardo > > > > ----- Original Message ----- > > > > From: [email protected] > > > > Sent: 08/24/11 05:09 AM > > > > To: Lazarus mailing list > > > > Subject: Re: [Lazarus] DBComboBox > > > > > > > > On Wed, 24 Aug 2011, "Arí Ricardo Ody" wrote: > > > > > I have a SQLite 3 database that contains 2 lines. > > > > > > I added a SQLite3Dataset to my project and code the following SQL Command > > > in it: > > > > > > SELECT * FROM TBLPAR > > > > > > I left Active property = true > > > > > > I add a Datasource and use the mentioned dataset as the associated > > > dataset. > > > > > > I add a DBComboBox and associate the datasource to it. > > > > > > The DBComboBox only show the first line of the dataset. I change the SQL > > > in the way the line selected became the second line. The DBComboBox shows > > > only this second line. > > > > > > > > I add a DBLookupComboBox and associate it to the same datasource. None > > > lines are showed, in the both situations. > > > > You should connect it with the LookupSource (or is it ListSource?) > > property, > > not the datasource property. > > > > LookupDBCombobox has 2 datasources: > > > > DataSource : A datasource which contains the value to be shown (the value > > you edit). Datafield is the value of the field. > > > > LookupSource: A datasource with the list of values to select from. > > If you select a value from the list, it will be written in the Datasource > > dataset's 'DataField' field. > > > > If you just want to select a value from a dataset but not write it to a > > dataset > > field , you cannot use DBComboBox or LookupDBCombobox. Both these > > components > > are meant to write into a field from a dataset. > > > > I believe the RX package has a lookupedit which allows you simply to select > > a value from a lookup dataset, without writing it to another dataset. > > > > Michael. > > > > > > -- > _______________________________________________ > Lazarus mailing list > [email protected] > http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
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