About controlling updates
Contents
When PowerBuilder generates the basic DataWindow object, it
defines whether the data is updatable by default as follows:
-
If the DataWindow object contains columns from a single table
and includes that table’s key columns, PowerBuilder defines all
columns as updatable and specifies a nonzero tab order for each
column, allowing users to tab to the columns. -
If the DataWindow object contains columns from two or more
tables or from a view, PowerBuilder defines all columns as not being
updatable and sets all tab orders to zero, preventing users from
tabbing to them.
You can accept the default settings or modify the update
characteristics for a DataWindow object.
If using a Stored Procedure or External data source
If the data source is Stored Procedure or External, you can use
the GetNextModified method to write your own update script. For more
information, see the section called “GetNextModified” in DataWindow Reference.