Tutorial

4GL Tutorial

Tutorial 2008-06: Modern Grid Control — by hubert — last modified 2008-09-01 17:11

Hydra 4GL supports modern Grid Controls for classic Screen Arrays. They also have the advantage of grid column resize by the user and button event rasing i.e. for re-sorting of the grid columns

Tutorial 2008-05: Form Embedded Hotlinks — by hubert — last modified 2008-09-01 17:11

Hydra 4GL supports Hotlinks which can act like normal buttons or call up a browser window with a specified URL.

Tutorial 2008-04: Radio Button - Fields and Event Trigger — by hubert — last modified 2008-04-08 18:14

The form widget (graphical form component) can be used for two purposes. It can either be used to view and manage data of a data field (with a set of pre-defined values) or to trigger action or key events.

Tutorial 2008-03: Dynamic Combo List Box — by hubert — last modified 2008-03-11 14:44

The dynamic combo list box can be pupulated with static form data and dynamically within the 4gl code. Combo List Box entries are fully manageable with standard 4GL function calls.

Tutorial 2008-02: System Security — by hubert — last modified 2008-01-16 15:46

System Security such as Authentication and Encryption is available and fully supported in the Querix 4GL envrionment. However, the implementation and configuration, in particular for Unix, can be rather tricky and requires knowledge of the chosen operating system's security environment. You will find bellow information which will be useful for anyone deploying a security shell arround the 4GL Application and graphical clients.

Tutorial 2008-01: Java Webstart Launch — by hubert — last modified 2008-01-16 15:23

The Querix 4GL Java client `Chimera`can be deployed locally or with a remote deployment option using Java WebStart or an Applet.

Tutorial 2009-01: WebService Part1 - What are WebServices — by hubert — last modified 2009-06-02 13:45

This is the first part (3 in total) of the Tutorial "4GL WebServices in a Nutshell"