Very clear description, inspiring, thanks Thierry Nivelet http://foxincloud.com/ Give your VFP app a second life in the cloud
Le 26 avr. 2013 à 03:05, Ken Dibble <[email protected]> a écrit : > >> If I want to have a form inside of another form's validation and set >> focus in the second form, I can not do so. Apparently, using LostFocus is a >> solution for this. I experimented a bit but then had to do something else. > > I gave up messing with all this and just went with what you would probably > call "front-end row validation". > > I don't use grids for data entry. It's too easy for users to edit the wrong > row. They start working on row 3 and as their eyes move from left to right > they slip down to row 4 and now you have a real problem. > > I use multi-column picklists to let users choose a record to edit. (Actually, > I have a homemade "list control" class that is a lot nicer than a list > control and a lot easier to use than a grid.) > > Users have to enter data into an editing control set (which may either be on > the same "design surface" as the list or may pop up on a modal form or a > different page of a pageframe), and then press an "Enter" button. > > All of the data in those controls then passes through a business object > validation method. On the first failure the user gets a "Data Entry Error" > message explaining what's wrong and what to do about it. The user can then > correct the problem and press "Enter" again. (Users, I find, rarely make more > than one error per record. One is enough to make them think more carefully > for the duration. So this is just as efficient as stopping them in the middle > of a textbox with Valid() = .F.) > > If everything passes validation, the list of records gets updated with the > user's changes. > > The "Enter" button can trigger an actual save back to the database in some > situations; in others it just updates the list and there's a separate button > for the save. > > The VFP event sequence gets hinky in a lot of situations. It's okay for very > simple problems but the more complex and layered a form gets, the less likely > it is to work properly, or be flexible enough, all the time. > > Ken Dibble > www.stic-cil.org > [excessive quoting removed by server] _______________________________________________ Post Messages to: [email protected] Subscription Maintenance: http://mail.leafe.com/mailman/listinfo/profox OT-free version of this list: http://mail.leafe.com/mailman/listinfo/profoxtech Searchable Archive: http://leafe.com/archives/search/profox This message: http://leafe.com/archives/byMID/profox/[email protected] ** All postings, unless explicitly stated otherwise, are the opinions of the author, and do not constitute legal or medical advice. This statement is added to the messages for those lawyers who are too stupid to see the obvious.
