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Data Validation - How to restrict the selection of the same value from the named list

  1. #1
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    Data Validation - How to restrict the selection of the same value from the named list

    Data Validation - How to restrict the selection of the same value from the named list

    I have create a named list 'Catagory' in sheet1. Now I want to use this list in sheet2 in such a way that restrict the selection of the values already selected from the list.

    Or (Allow selection of any value only once)


    Please check the attached XL sheet.

    Ques.xlsx

    Thanks in advance..!

    Karan

  2. #2
    Forum Expert bebo021999's Avatar
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    Re: Data Validation - How to restrict the selection of the same value from the named

    May I suggest to use helper column to display sorted list.
    See attachment.
    Attached Files Attached Files

  3. #3
    Forum Guru teylyn's Avatar
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    Re: Data Validation - How to restrict the selection of the same value from the named

    In addition to the above, you can avoid the #Num! errors appearing in the dropdown by creating a range name (MyRange) with the reference

    =Sheet2!$C$2:INDEX(Sheet2!$C:$C,MATCH("zzzz",Sheet2!$C:$C,1))

    Then use as the list source

    =MyRange

    See attached.

    cheers,
    Attached Files Attached Files

  4. #4
    Forum Expert Palmetto's Avatar
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    Re: Data Validation - How to restrict the selection of the same value from the named

    I prefer to avoid the use of array formulas when possible.


    Sheet1, B2: =IF(ISNUMBER(MATCH(A2,Sheet2!$A$2:$A$8,0)),"",ROW()) , copied down the column as needed
    Sheet1, D2: =IFERROR(INDEX($A$2:$A$8,MATCH(SMALL($B$2:$B$8,ROW(A1)),$B$2:$B$8,0)),""), copied down column

    Create the dynamic named range for the validation list based on column-D, using this formula

    =OFFSET(Sheet1!$D$1,1,0,COUNTIF(Sheet1!$D$2:$D$8,"*")-1,1)
    Palmetto

    Do you know . . . ?

    You can leave feedback and add to the reputation of all who contributed a helpful response to your solution by clicking the star icon located at the left in one of their post in this thread.

  5. #5
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    Re: Data Validation - How to restrict the selection of the same value from the named

    Thanks bebo021999, teylyn , Palmetto all three options solved my problem.

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