Providing query ability to users – PB Docs 126

Providing query ability to users

When you call the Retrieve method for a DataWindow control,
the rows specified in the DataWindow object’s SELECT statement
are retrieved. You can give users the ability to further specify
which rows are retrieved during execution by putting the DataWindow
into query mode. To do that, you use the Modify method or a property
expression (the examples here use Modify).

note.png Limitations

You cannot use query mode in a DataWindow object that contains
the UNION keyword or nested SELECT statements.

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