Chapter 19 Enhancing DataWindow Objects – PB Docs 120
Chapter 19 Enhancing DataWindow Objects About this chapter Before you put a DataWindow object into production, you can enhance it to make it easier to use and interpret data. You do that in the DataWindow painter. This chapter describes basic enhancements you can make to a DataWindow object. Contents Topic Working in the DataWindow painter…
Grouping rows – PB Docs 120
Grouping rows You can group related rows together and, optionally, calculate statistics for each group separately. For example, you might want to group employee information by department and get total salaries for each department. How groups are defined Each group is defined by one or more DataWindow object columns. Each time the value in a…
About displaying and validating data – PB Docs 120
About displaying and validating data When PowerBuilder generates a basic DataWindow object, it uses the extended attributes defined for the data and stored in the extended attribute system tables. For more information about the extended attribute system tables, see Appendix A, “The Extended Attribute System Tables” In the Database painter, you can create the extended…
About DataStores – PB Docs 120
About DataStores A DataStore is a nonvisual DataWindow control. DataStores act just like DataWindow controls except that they do not have many of the visual characteristics associated with DataWindow controls. Like a DataWindow control, a DataStore has a DataWindow object associated with it. Availability In PowerBuilder, a DataStore is a nonvisual object. The Web control…
Using a custom server component – PB Docs 120
Using a custom server component If you are using EAServer as the component server, you can deploy a custom component that uses methods of the generic server component interface. You can also write a server component with its own DataWindow methods for use with EAServer or COM+. Some advantages of a custom component You can…
Setting up database connections – PB Docs 120
Setting up database connections When you use the Web DataWindow, it is the Web DataWindow server component that interacts with the database, so you need to set up database connections on the server where the component is running. What database connectivity software to use If you are using EAServer as the component server, you can…
Modifying a DataWindow object – PB Docs 120
Modifying a DataWindow object During execution, you can modify the appearance and behavior of a DataWindow object by doing one of the following: Changing the values of its properties Adding or deleting controls from the DataWindow object Changing property values You can use the Modify method or a property expression to set property values. This…
Chapter 14 Working with Menus and Toolbars – PB Docs 120
Chapter 14 Working with Menus and Toolbars About this chapter By adding customized menus and toolbars to your applications, you can make it easy and intuitive for your users to select commands and options. This chapter describes how to define and use menus and toolbars. Contents Topic Menus and menu items Using the Menu painter…
Supported Datatypes – PB Docs 120
Supported Datatypes Simple and complex datatypes are convertible between .NET clients and EAServer components. This table describes the basic CORBA IDL types supported and their corresponding PowerScript type: CORBA IDL type Mode PowerScript type boolean in, return Boolean by value out, inout Boolean by reference char in, return Char by value out, inout Char by…
Unsupported Functions for Controls in Windows Forms – PB Docs 120
Unsupported Functions for Controls in Windows Forms If your application uses unsupported functions for Windows Forms targets, you must rework the application before you deploy it. This table is an alphabetical listing of unsupported functions. It also lists the controls on which they are not supported, and any notes that apply to specific controls: Unsupported…