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Questions And Answers for PowerBuilder Interviews

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Question: #18 of #131

Section: DataWindow

Version: 5.0 or later

Question

Explain the advantages and disadvantages of calling AcceptText() function from the ItemChanged event of a DataWindow control.

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AcceptText() function shouldn't be called from ItemChanged event. This is because, AcceptText() function triggers the ItemChanged event. That means, calling AcceptText() in the ItemChanged event will go into a loop. So, there are only disadvantages, no advantages. If you really need to call AcceptText() from ItemChanged event, create a user-defined event and post that event from the ItemChanged event.

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