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How to reset the filter of the child drop-down datawindow

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Question:
How can I reset the filter of the child drop-down datawindow? I have used SetFilter(“”) and it’s not working.

Answer:
PowerBuilder’s Filter functionality is a two-step process. First, set the filter using the SetFilter() command, then call the Filter() command to perform the filtering process. If you have any groups in the datawindow, call the GroupCalc() function.

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