I have a SharePoint 2013 list with 3 dropdowns of which 1 must be selected. It doesn't matter which is selected as long as one of them has data. I tried to do the Validation Settings:

=IF(AND(ISBLANK([Initial Pleadings])=TRUE,IF(AND(ISBLANK([Memos or Motions])=TRUE,IF(AND(ISBLANK([Other Filings]=TRUE))

but it doesn't seem to take. I want a message to pop up saying that the user must select a document type. I'm having a hard time getting it to work. Any help would be greatly appreciated.


Try this


You need OR rather than AND

More information about OR here and AND here

  • 1
    Note that OR itself returns a TRUE/FALSE so you can do without the IF statement May 23 '17 at 20:12
  • 1
    Perfect! That worked excellently! May 23 '17 at 20:54
  • 1
    @Kimberley, then mark his answer as the correct one.. that is how SO works. Note: Because SharePoint is loosly typed 0 is FALSE and any other number is TRUE; you could also do:NOT(ISBLANK(FirstColumn)+ISBLANK(SecondColumn)+ISBLANK(ThirdColumn)) May 24 '17 at 8:16

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