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  1. J

    Please Help.. Determine if data already in use or exist in dataset..

    Good day guys.. please help me with the codes that determine if the selected item in the combobox is already in use or exist in the dataset... ex. my tblSchedule have column "schedule" i want to know if "MWF 8:00 - 8:45 Room 101" is already assigned to others or already exist in the column...
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