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GeneXus 15 course - Analyst Level

You will easily learn, through different examples, the core of GeneXus in order to start developing your own applications.
Presentation
Online course
Materials

DB update using two-level business components

When we want to update data in a two-level transaction through the associated business component, how do we load it? Which are the methods used?    
This class only has written material.
Download it and continue with the course!

In the video “How to update data using transaction logic without screen” we introduced Business Components as a data type created as a mirror of the transaction and usable through variables and through its Save(), Load(), Delete() methods, as well as Insert(), Update(), InsertorUpdate(), Success(), in any object. But we only saw the case where the transaction had a single level. Here we will introduce the case of two-level transactions and how to work with the Business Component.
 
Related
New entities added to the project
How to create a product image-gallery
Creation of a transaction
Creation of a two-level transaction
Business Components
Compound Data Types
Another example of database update using transactions without form
Two level transaction used as Business Component, and error management
Compound data types
How to update data using transaction logic without screen
Data Population using Business Components and Data Providers
45 Videos (07h 26min) + 21 written materials
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