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About Bill Hermanson
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Please tell me WHICH EXCEL VERSION you are using!

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My Expertise: I am an expert at data manipulation, the use of incredibly complex logical statements, databases, combining tables and extracting data, all the LOGICAL, LOOKUP & REFERENCE functions, dynamic ranges, creating professional appearing spreadsheets, complex functions, integrated charts and visual displays, user interfaces.... I can make Excel do anything!

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25 years development of complex spreadsheets for personal and professional use. I've developed hundreds (or thousands!) of spreadsheets in all fields, from complex engineering calculations to game scoring, financial analysis, scheduling, cost-of-doing-business, and analysis of home energy use. I even used Excel to assist in design of the flight computers presently on board the Hubble Space Telescope (1984-1991)

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You are here:  Experts > Computing/Technology > Microsoft Software > Excel > multi lookup

Excel - multi lookup


Expert: Bill Hermanson - 7/2/2009

Question
Hi,

Need help with Multi column lookup.

I have data in Sheet 1 column B, C & D.

Column B     Column C       Column D
Sub Code     Sap Code       Description
SW09                        Jiffy Bag 1
SW12                        Jiffy Bag 2
SW21                        Jiffy Bag 3
             24959         Brown Bag 12
             24960         Brown Bag 15
CSP1014BOX                  Bubble Rap 1.2
PPS1215PR                   Bubble Rap 1.3
SB2053        24112         Clear Tape
SW01          21123         Security Tape

IN Sheet 2 user enters the codes in column B (which could be Sub code or Sap Code). In column c I want to lookup discription from sheet 1(column D).

User can type either Sub or Sap code which matches column B or C (sheet1)

Please can you assist me.

Many Thanks in advance.

Regards

Answer
Hitesh,

  You'll have to provide two input cells for your user interface.  The user will have to know where to enter the code he is using.  One would be the SUB code, which would match up with sheet 1 col B, and the other would be the SAP code, which would match up with sheet 1 col C.

   After that, you can use a VLOOKUP formula (you'll need two, one for each possible input cell) which would retrieve the matching value.  One of the VLOOKUPs will return an error, since one of the input cells will always be blank.  You can use an IF statement based upon ISBLANK as the conditional test to determine which input cell is blank, and therefore which VLOOKUP to use.  For example, something like this outlined function would work:

  =IF(ISBLANK(SUB-input-cell),VLOOKUP(SAP),VLOOKUP(SUB))

  Of course you'd have to expand this to make the IF return a "" (empty cell) if BOTH SAP & SUB inputs are blank.

   VLOOKUP(SAP) means to use VLOOKUP as if the input were the SAP value, and VLOOKUP(SUB) means to use VLOOKUP as if the input sere the SUB value.... I've used shorthand, you'll have to fill in the actual VLOOKUP parameters.

    You could make this more complex depending on your level of Excel skills.  You could have ONE input cell and let the user select (in a second cell) whether the value he's entered is a SAP or SUB value.  A similar IF statement  (to the outlined one I provided) could decide which VLOOKUP value to return.

   Or, you could use the SAP/SUB selection to choose the col-index-num for a SINGLE VLOOKUP, and no IF statement would be needed.

   I hope you understand my answer, and that it helps get you going.

   >>>> Bill

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