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Unique Data and Dynamic Data Validation|VBA & Macros|Excel Forum|My Online Training Hub

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sp_CrumbsHome HomeExcel ForumVBA & MacrosUnique Data and Dynamic Data Valida…
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Unique Data and Dynamic Data Validation
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Shawn Wallack
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Forum Posts: 77
Member Since:
December 7, 2021
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June 7, 2022 - 4:01 am
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Hello -

I've tried a variety of ways to develop dynamic data validation, but can't seem to get it to work. I tried INDIRECT and INDEX/MATCH. I'm also struggling to validate that a pair of values is unique in a range.

The attached XLS has three sheets:

  1. ARTS and TEAMS
    • User creates a list of ARTS, and indicates whether or not each is active 
    • The user creates a list of teams within each ART, and indicates whether or not each is active
    • I use VBA in the Worksheet_Change event to check that the combination of ART + Team is unique. This is not working. It warns that a unique combination is not unique.
  2. Droplists
    • These two pivot tables are used for data validation
    • They show unique, sorted, and active ARTs and Teams, respectively
  3. Data Match
    • First, the user selects an ART (via data validation list)
    • Next, the user selects a Team (also via data validation list)
    • I need the second list (Team) to depend on the choice in the first list (ART) base on the combinations on the first sheet. This is not working.

Many thanks

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Catalin Bombea
Iasi, Romania
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Forum Posts: 1807
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November 8, 2013
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June 16, 2022 - 12:34 am
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Hi Shawn,

Your formula is NOT checking the combination of ART and TEAM columns.

WorksheetFunction.CountIf(EvalRange, Target.Value) just checks the Target.Value , which is Yankees, not ART-1 & Yankees, and that value exists in the EvalRange.

If you want to use a formula, add a helper column ART&Team with the formula: =[@ART]&[@TEAM]

You will be able to compare the current entry against this combined column.

Dim Comb As String
Comb = Me.Cells(Target.Row, Me.ListObjects("TABLE_TEAMS").ListColumns("ART").Range.Column).Value & _
Me.Cells(Target.Row, Me.ListObjects("TABLE_TEAMS").ListColumns("TEAM").Range.Column).Value
If WorksheetFunction.CountIf(Me.ListObjects("TABLE_TEAMS").ListColumns("ART&TEAM").Range, Comb) > 1 Then

...

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