Questions And Answers for PowerBuilder CPD Exam

Question

A DataWindow control dw_1 has a composite DataWindow (has three DataWindows). How many times the SQLPreview() event is fired when you call dw_1.Retrieve()?

 [A] Number of Rows in DW Object 1 + DW Object 2 + DW Object 3
 [B] Number of rows in the first DW object specified.
 [C] Number of rows from the DW Object that you specify as Main DW object.
 [D] Zero times.
 [E] Total number of rows in all updatable DW objects in that DW.

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Answer

The correct answer is: D

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Explanation

DataWindow control with Composite presentation style DataWindow does not fire SQLPreview event at all.

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