DataWindow Programmers Guide
DataWindow and DataStore basics

Table of Contents

About using DataWindow objects

Putting a DataWindow object into a control

Names for DataWindow controls and DataWindow objects

Working with the DataWindow control in PowerBuilder

Specifying the DataWindow object during execution

Accessing the database

Setting the transaction object for the DataWindow control

Retrieving and updating data

Accessing a Web service data source (Obsolete)

Importing data from an external source

Manipulating data in a DataWindow control

How a DataWindow control manages data

Accessing the text in the edit control

Manipulating the text in the edit control

Coding the ItemChanged event

Coding the ItemError event

Accessing the items in a DataWindow

Using other DataWindow methods

Accessing the properties of a DataWindow object

Handling DataWindow errors

Retrieve and Update errors and the DBError event

Errors in property and data expressions and the Error event

Updating the database

How the DataWindow control updates the database

Changing row or column status programmatically

Creating reports

Planning and building the DataWindow object

Printing the report

Using nested reports

Using crosstabs

Viewing the underlying data

Letting users redefine the crosstab

Modifying the crosstab's properties during execution

Generating HTML

Controlling display

Calling the SaveAs method

Displaying DataWindow objects as HTML forms