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well-designed nonvisual user object hierarchy is essential for building an object-oriented application. 1. What Is PowerBuilder?
2. Graphical User Interface
3. Event-Driven Programming
4. Object-Oriented Programming
5. Encapsulation
6. Relational Databases
7. PowerBuilder Env
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Summary
PowerBuilder provides:
Presentation styles
Options for colors, borders, fonts, and other characteristics for columns and for column headings
You use the DataWindow painter to design the user interface.
Summary
The DataWindow workspace is divided into bands:
Header
Detail
Summary
Fo
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Building a Window Interface to Display Data
What Is a DataWindow Control?
DataWindow Properties and Methods
Opening a Sheet in an MDI Frame
Data stored in database
Data can be processed on any of:
Database
Middle tier
ClientTo associate a DataWindow object with a DataWindow control:
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application
Server
super PC or minicomputer running the DBMS
Network
hardware that connects the client and server machines. 1. Client/Server Environment
2. Object-Oriented Programming
3. Event-Driven Programming
4. Graphical User Interface
5. Relational Databases
6. PowerBuil
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Summary
Windows are the main interface between the user and PowerBuilder applications.
Window style and the controls determine how the window looks and behaves.
Establish the style of window by choosing values for its properties.
There are six window types.
Controls are placed in a window.
Sum
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