Using inheritance to build user objects – PB Docs 80
Using inheritance to build user objects When you build a user object that inherits its definition (properties, events, functions, structures, variables, controls, and scripts) from an existing user object, you save coding time. All you have to do is modify the inherited definition to meet the requirements of the current application. For example, assume your…
Using the Database painter – PB Docs 80
Using the Database painter To open the Database painter, click the Database button in the PowerBar. About the painter Like the other PowerBuilder painters, the Database painter contains a menu bar, a customizable PainterBar, and several views. All database-related tasks that you can do in PowerBuilder can be done in the Database painter. Views in…
Manipulating data – PB Docs 80
Manipulating data As you work on the database, you will often want to look at existing data or create some data for testing purposes. You will also want to test display formats, validation rules, and edit styles on real data. PowerBuilder provides data manipulation for such purposes. With data manipulation, you can: Retrieve and manipulate…
Creating Web pages – PB Docs 80
Creating Web pages The remainder of this book provides detailed information about how you develop pages within a Web target, and how you use the development environment to produce Web applications. This section gives an overview of the types of tasks you need to complete to develop a page, and gives references to sections in…
Debugging your Web target – PB Docs 80
Debugging your Web target The basic process for debugging involves setting breakpoints and stepping through your code. This summary procedure shows the shortcut keys for debugging actions. For information on configuring your Web target for debugging, see “Enabling debugging for your deployment configuration”. For information on setting breakpoints, see “Setting breakpoints”. To debug your Web…
About 4GL Web pages – PB Docs 80
About 4GL Web pages 4GL Web pages are enhanced Web pages that incorporate extensions to the Web Target object model to generate template (source) code for dynamic Web pages. 4GL Web pages rely on the object model to handle the complexities of data transfer, HTML generation, and JavaScript generation for server scripts. With many of…
About style sheets – PB Docs 80
About style sheets Style sheet files store common design and layout information independently of the page content of HTML files. By using style sheets you can: Create a standard design for your HTML pages that can be reused for additional pages as needed. Make it easy to change style definitions within a Web site. Editing…