I'm using SharePoint 2010. Right now I have a calculated column which displays in days the difference between ColumnDate1 and ColumnDate2 as follows:


But sometimes I get an error "#NUM!" when ColumnDate1 is greater than ColumnDate2.

How do I do the following for the same calculated field:

1- Display "NO DATA" when EITHER columns is blank OTHERWISE provide number of days.

2- Display "NOT LATE" when Date1 is greater than Date2, OTHERWISE provide number of days.

Thank you for your help!


Try this,

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  • 1
    Thank you so much. You saved my day. I really appreciate it. It works great!!! – Ben May 31 '18 at 2:53

Have you tried

=IF(ISBLANK([Action Closed]), "", DATEDIF([ColumnDate1],[ColumnDate2],"d"))
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