Development Environment

Web Development and Improvements in user experience

(Productivity and Enterprise-level Application Development Features)

Ajax Overview, [[21759|GeneXus'>Ajax'>Ajax Overview, [[21759|GeneXus and Ajax]]

Business Components

Business Component - Publication as an Enterprise Java Bean

Practical course: Bluesky Charters

Application Localization

Application Localization
Translation Tool
Help "in any language"
Practical course: Bluesky Charters


About this topic
Patterns based development
Built in Patterns
Work With Pattern
Demo: Work With Pattern
Practical course: Patterns

Better data model

Null handling optimizes navigations
Nulls property


User experience

New options on rightclick in win

Reverse Engineering

Database Reverse Engineering Tool

New Platforms

.Net Mobile Generator
More J2EE support than ever

Data Types and Methods

Message Queue handling data types

LDAP Data Type

URL access Property
New IIF function
New byte count function
New Methods for attributes, variables and enumerated domains!
XSLTApply Method
Procedures can now call web objects
Web Services: Grouping Locations
News about model, object, and control properties


Unofficial Content

GeneXus 9.0 Upgrade Course

New Triggering Events: Before

New triggering events have been added in order to support more sophisticate dialogs in Transactions.


The Rule syntax:

Rule [if condition] [on event ...] [level att ...]; 


   Event or list of events separated by "," whose possible values are:

AfterValidate AfterInsert AfterUpdate AfterDelete AfterComplete AfterLevel
BeforeValidate BeforeInsert BeforeUpdate BeforeDelete BeforeComplete  



Objects: Transaction
Generators: Java, .NET, .NET Mobile

Rule Triggering Order

When a Transaction has been confirmed, the events will be triggered in the following order:

  • BeforeValidate
  • Check Extended Table (Internal GeneXus triggering event; Refcall rules are triggered here).
  • Confirm data
  • Check Optimistic Concurrency (Internal GeneXus triggering event; Record modification and locking are checked in this event).
  • AfterValidate (first level)
  • BeforeInsert/Update/Delete
  • DB is updated
  • AfterInsert/Update/Delete
    • BeforeValidate Level
    • Confirm data
    • AfterValidate Level
    • BeforeInsert/Update/Delete Level
    • AfterInsert/Update/Delete Level
  • AfterLevel Level
  • DB is updated; the success message is displayed ('Data has been successfully added')
  • BeforeComplete
  • Commitment of the LUW
  • AfterComplete

See also

Triggering Events in GeneXus 8.0
Transaction Rules Syntax in GeneXus 8.0
Event Handling Model Properties