Please add support for the VLOOKUP, ISBLANK and ISERROR functions in formulas.
Comments: Added IsBlank. VLookup is nasty and ClosedXML doesn't have a good way to handle cell errors so don't wait for those.
Comments: Added IsBlank. VLookup is nasty and ClosedXML doesn't have a good way to handle cell errors so don't wait for those.