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Adding a VLOOKUP to an increasing / decreasing number of rows

  1. 07-21-2018, 04:51 AM #1
    fuzzyjonclay123
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    Adding a VLOOKUP to an increasing / decreasing number of rows

    Hi there

    I wonder if you could please help me with my query regarding adding a VLOOKUP to rows of data that increase and decrease in number? The scenario is this - I have a bunch of data rows that pull down from a SQL Server view. On day 1 the total number of rows might be 30, then on day 2 it might be 50 then on day 3 it might be 35 etc. I need to put a VLOOKUP in column 2 on each row. That's all pretty straightforward!

    What I want to know is if it's possible to expand / reduce the cells containing the VLOOKUP depending on how many rows of data there are? So, what I'd like is something like this (i.e. I have 3 rows so the amount of VLOOKUPs in column 2 is 3).

    COLUMN1 COLUMN2
    ROW1 VLOOKUP
    ROW2 VLOOKUP
    ROW3 VLOOKUP

    What I don't want is this: (i.e. there are more VLOOKUPs in column 2 than there are bits of data in column 1)
    COLUMN1 COLUMN2
    ROW1 VLOOKUP
    ROW2 VLOOKUP
    ROW3 VLOOKUP
    VLOOKUP
    VLOOKUP

    So, in essence, I need a VLOOKUP against each row of data that exists. So, if there are 50 rows of data then I would need there to be 50 VLOOKUPs and if there's only 35 rows of data then I would need there to be 35 VLOOKUPs. However, I won't know from one day to the next how many rows will be required, so I need the amount of VLOOKUPs to be dynamic if that makes sense.

    Many thanks
    Jon
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  2. 07-21-2018, 04:53 AM #2
    Glenn Kennedy
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    Re: Adding a VLOOKUP to an increasing / decreasing number of rows

    Will you please attach a SMALL sample Excel workbook (10-20 rows of data is usually enough)? Please don't attach a picture of one (no-one will want to re-type all your stuff before starting).

    1. Make sure that your sample data are truly REPRESENTATIVE of your real data. The use of unrepresentative data is very frustrating and can lead to long delays in reaching a solution.

    2. Make sure that your desired solution is also shown (mock up the results manually).

    3. Make sure that all confidential information is removed first!!

    4. Try to avoid using merged cells. They cause lots of problems!

    Unfortunately the attachment icon doesn't work at the moment. So, to attach an Excel file you have to do the following: Just before posting, scroll down to Go Advanced and then scroll down to Manage Attachments. Now follow the instructions at the top of that screen.
    Glenn



    None of us get paid for helping you... we do this for fun. So DON'T FORGET to say "Thank You" to all who have freely given some of their time to help YOU.

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  3. 07-21-2018, 05:37 AM #3
    fuzzyjonclay123
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    Re: Adding a VLOOKUP to an increasing / decreasing number of rows

    Hi Glenn

    Thanks for your reply.

    I have attached a sample as requested. So, the VLOOKUP is looking up from Sheet 2 which is good. However, Rows 10-18 on Sheet are
    showing N/A as there's nothing in Column A. This is what I'd like to avoid if possible.

    I'd like Column B to only have a VLOOKUP in it if there's something in Column A.

    Best wishes
    Jon
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  4. 07-21-2018, 05:43 AM #4
    Glenn Kennedy
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    Re: Adding a VLOOKUP to an increasing / decreasing number of rows

    Your attachment didn't appear...

    Sounds like all you need is =IFERROR(your_vlookup_formula,"")
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  5. 07-21-2018, 05:49 AM #5
    fuzzyjonclay123
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    Re: Adding a VLOOKUP to an increasing / decreasing number of rows

    Thanks Glenn.

    However, when I input =IFERROR(VLOOKUP,A7,Sheet2!A6:B102,2,FALSE,"") into a cell I got an error saying that I'd input too many arguments.
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  6. 07-21-2018, 06:02 AM #6
    Glenn Kennedy
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    Re: Adding a VLOOKUP to an increasing / decreasing number of rows

    =IFERROR(VLOOKUP(A7,Sheet2!A6:B102,2,FALSE),"")

    You left out the parentheses from your vlookup.
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  7. 07-21-2018, 06:05 AM #7
    fuzzyjonclay123
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    Re: Adding a VLOOKUP to an increasing / decreasing number of rows

    Ah yes, sorry! Many thanks for your help - this worked fine!
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  8. 07-21-2018, 06:46 AM #8
    Glenn Kennedy
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    Re: Adding a VLOOKUP to an increasing / decreasing number of rows

    You're welcome.


    If that takes care of your original question, please select "Thread Tools" from the menu link above and mark this thread as SOLVED.

    It'd also be appreciated if you were to click the Add Reputation button at the foot of any of the posts of all members who helped you reach a solution.
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