On mercredi 14 janvier 2009, Benoit Minisini wrote: > On mardi 13 janvier 2009, dave L wrote: > > Hi Charles, > > > > Yes i've had a look at the code that is in the database example. > > > > by the time i went to be i had in my sample app created a link to the DB > > from cut i cout & pasted into my app from the sample DB. > > > > I suppose you have modules you call in that you pass parameters to and it > > passes back the connection and then other routines you call to fill you > > form controls with data as shown in the sample refresh form (or whatever > > it's called). > > > > anyways i will have another look at how the table connection is made and > > recordsets are done. It's the lack of these properties for those actions > > i was surprised about initially. > > > > ps thanks for your reply. > > > > dave. > > Do you really look at the "Database" example? > > The standard database-bound controls of Gambas are located in the > gb.db.form component. > > They are somewhat sparse, but here is a quick description: > > 1) A DataSource container. You specifiy your request there (usually a > table), and all data controls inserted in the container will use it. > > 2) If you put a DataSource A inside another DataSource B, then the > DataSource A is filtered by the primary key of the DataSource B. > > 3) You have a DataControl control, that allows to edit a field by using a > control that depends on the field datatype. > > 4) You have a DataCombo control, that is a ComboBox that displays an > integer field by using it as a primary key on another tabl. > > 5) You have a DataView, that allows to show the contents of a DataSource in > a GridView. > > 6) You have a DataBrowser, that allows to browse its parent DataSource by > using a DataView and some buttons. > > 7) There is a DataComboMulti too in Gambas 3, but I didn't write nor tested > it. > > 8) Theses controls are database neutral. They work with mysql, postgresql, > sqlite, firebird... > > 9) The DataSource is "intelligent". It only request the records from the > database by small packets. This way, you can put Internet between your > application and the database, and things are perfectly usuable. > > Some caveats: > > 10) All table must have a primary key. > > 11) All DataSource use the current opened connection. Having some sort > of "Connection" property to have two DataSource controls on different > connection is planned. > > 12) I think that Gareth could have made his control database neutral. But > it is his code, so he is the boss. > > Regards,
Mmm. Sorry for the language mistakes... :-( -- Benoit Minisini ------------------------------------------------------------------------------ This SF.net email is sponsored by: SourcForge Community SourceForge wants to tell your story. http://p.sf.net/sfu/sf-spreadtheword _______________________________________________ Gambas-user mailing list Gambas-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/gambas-user
