Handle entities in an entity selection
FIRST RECORD, LAST RECORD, NEXT RECORD, PREVIOUS RECORD; does that ring any bells? I bet it does. You've already been using them to handle selections!...
May 3, 2018
1 min read
Objects
Working with ORDA optimistic locking
4D v17 introduces ORDA, a major evolution in 4D which is opening a world of new possibilities for 4D developers. One of the benefits of using ORDA is ...
April 27, 2018
1 min read
Locking entities with ORDA
The ORDA series continues! In this blog post, we'll look at how you can use locks in your databases with ORDA concepts! It's not uncommon to need to m...
April 24, 2018
1 min read
Loops, loops and … more loops!
Like many other programming languages, 4D provides the ability to iterate over numbers with a For(…) / End for statement, or over a condition thanks t...
April 19, 2018
1 min read
How to create a dynamic form from a table in 3 steps!
4D v17 includes dynamic forms, initially introduced in 4D v16 R6, a powerful and flexible way to dynamically build forms fully adapted to your end use...
April 18, 2018
1 min read
ORDA: work with objects and collections
In this latest addition to the ORDA series, we'll look at how the new ORDA concepts can interact with existing objects and collections. In fact, it's ...
April 16, 2018
1 min read
Going back and forth between current selections to ORDA
ORDA is a major innovation of 4D v17, this is why we're dedicating an entire series of blog posts to ORDA. While ORDA has its own concepts that are ve...
April 13, 2018
1 min read
Display a collection in a listbox
Recently, 4D introduced of a new type of variable: collections, as well as a large set of methods to manipulate them. With 4D v17, the possibilities o...
April 12, 2018
1 min read
Query your database with an object-oriented approach
After learning how you can create, update, and delete data, here is a new entry in the ORDA series. In this post, you will see how you can query your ...
April 11, 2018
1 min read
Create, update and delete data with ORDA
4D v17 introduces ORDA, a major evolution in 4D which is opening a world of new possibilities for 4D developers. To learn more about ORDA and its bene...
April 5, 2018
1 min read