Excel VBA populating a list box with values from selected sheet using loops











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I have 2 listboxes in a userform. When the user clicks on an item (a worksheet name) in one of the boxes, the other list box should autopopulate with values in the D column of the specific worksheet they have selected. I also dont want any duplicate values to show up. How can i accomplish this by using loops?










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    Welcome to Stack Overflow! Unfortunately, we won't write code for you. I recommend you read about Loops, Ranges or Cells and Listbox Items in VBA. If you get stuck on a specific problem, please come back with a specific example (including code) and we'll be glad help. Good luck!
    – ale10ander
    Nov 20 at 0:04












  • For example, you can get the data from D1 by using Sheets(1).Range("D1").value, and can move down the D column by using the Offset() function. Hopefully this helps get you started.
    – ale10ander
    Nov 20 at 0:05















up vote
0
down vote

favorite












I have 2 listboxes in a userform. When the user clicks on an item (a worksheet name) in one of the boxes, the other list box should autopopulate with values in the D column of the specific worksheet they have selected. I also dont want any duplicate values to show up. How can i accomplish this by using loops?










share|improve this question




















  • 1




    Welcome to Stack Overflow! Unfortunately, we won't write code for you. I recommend you read about Loops, Ranges or Cells and Listbox Items in VBA. If you get stuck on a specific problem, please come back with a specific example (including code) and we'll be glad help. Good luck!
    – ale10ander
    Nov 20 at 0:04












  • For example, you can get the data from D1 by using Sheets(1).Range("D1").value, and can move down the D column by using the Offset() function. Hopefully this helps get you started.
    – ale10ander
    Nov 20 at 0:05













up vote
0
down vote

favorite









up vote
0
down vote

favorite











I have 2 listboxes in a userform. When the user clicks on an item (a worksheet name) in one of the boxes, the other list box should autopopulate with values in the D column of the specific worksheet they have selected. I also dont want any duplicate values to show up. How can i accomplish this by using loops?










share|improve this question















I have 2 listboxes in a userform. When the user clicks on an item (a worksheet name) in one of the boxes, the other list box should autopopulate with values in the D column of the specific worksheet they have selected. I also dont want any duplicate values to show up. How can i accomplish this by using loops?







excel vba excel-vba loops listbox






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edited Nov 20 at 7:14









Pᴇʜ

19.8k42650




19.8k42650










asked Nov 19 at 23:21









Edrisa Gharibyar

1




1








  • 1




    Welcome to Stack Overflow! Unfortunately, we won't write code for you. I recommend you read about Loops, Ranges or Cells and Listbox Items in VBA. If you get stuck on a specific problem, please come back with a specific example (including code) and we'll be glad help. Good luck!
    – ale10ander
    Nov 20 at 0:04












  • For example, you can get the data from D1 by using Sheets(1).Range("D1").value, and can move down the D column by using the Offset() function. Hopefully this helps get you started.
    – ale10ander
    Nov 20 at 0:05














  • 1




    Welcome to Stack Overflow! Unfortunately, we won't write code for you. I recommend you read about Loops, Ranges or Cells and Listbox Items in VBA. If you get stuck on a specific problem, please come back with a specific example (including code) and we'll be glad help. Good luck!
    – ale10ander
    Nov 20 at 0:04












  • For example, you can get the data from D1 by using Sheets(1).Range("D1").value, and can move down the D column by using the Offset() function. Hopefully this helps get you started.
    – ale10ander
    Nov 20 at 0:05








1




1




Welcome to Stack Overflow! Unfortunately, we won't write code for you. I recommend you read about Loops, Ranges or Cells and Listbox Items in VBA. If you get stuck on a specific problem, please come back with a specific example (including code) and we'll be glad help. Good luck!
– ale10ander
Nov 20 at 0:04






Welcome to Stack Overflow! Unfortunately, we won't write code for you. I recommend you read about Loops, Ranges or Cells and Listbox Items in VBA. If you get stuck on a specific problem, please come back with a specific example (including code) and we'll be glad help. Good luck!
– ale10ander
Nov 20 at 0:04














For example, you can get the data from D1 by using Sheets(1).Range("D1").value, and can move down the D column by using the Offset() function. Hopefully this helps get you started.
– ale10ander
Nov 20 at 0:05




For example, you can get the data from D1 by using Sheets(1).Range("D1").value, and can move down the D column by using the Offset() function. Hopefully this helps get you started.
– ale10ander
Nov 20 at 0:05












1 Answer
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1
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Well, a few things are going to have to happen here.



Since you failed to state the names of your listboxes, we are using the generic forms:





  • ListBox1 is the list box with your sheet names


  • ListBox2 is the list box to auto-populate from column D


First, you will need to ensure that listBox1 is initialized with your worksheet values. A sample of how you could do this is:



Private Sub UserForm_Initialize()

'MUST BE PLACED IN USERFORM CODE MODULE!!
Dim ws As Worksheet
For Each ws In ThisWorkbook.Worksheets
Me.ListBox1.AddItem ws.Name
Next ws

End Sub


The above is not required for your task, but your userform being pre-populated is required.



Now you are going to want to watch for the ListBox1_Change() event. Again, if your listbox isn't named ListBox1, then you will need to change this in the Sub Name.



Private Sub ListBox1_Change()

'MUST BE PLACED IN USERFORM CODE MODULE!!
Dim wsSelected As Worksheet
Set wsSelected = ThisWorkbook.Worksheets(Me.ListBox1.Value)

With wsSelected

Me.ListBox2.List = rngToUniqueArr(.Range(.Cells(1, "D"), .Cells( _
lastRow(wsSelected, "D"), "D")))

End With

End Sub

Function rngToUniqueArr(ByVal rng As Range) As Variant
'Reference to [Microsoft Scripting Runtime] Required
Dim dict As New Scripting.Dictionary, cel As Range
For Each cel In rng.Cells
dict(cel.Value) = 1
Next cel
rngToUniqueArr = dict.Keys
End Function

Function lastRow(ws As Worksheet, Optional col As Variant = 1) As Long
With ws
lastRow = .Cells(.Rows.Count, col).End(xlUp).Row
End With
End Function


The sub rngToUniqueArr is something I have stored in my PERSONAL.XLSB workbook, it's a useful function to have. This will take an input range and create a dictionary of unique values, and output into an array.




The Above requires a reference to be set to Microsoft Scripting Runtime in Tools > References




In your ListBox1_Change() event, the wsSelected is the worksheet you selected from ListBox1, and you are adding the array from the rngToUniqueArr into ListBox2.






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    up vote
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    down vote













    Well, a few things are going to have to happen here.



    Since you failed to state the names of your listboxes, we are using the generic forms:





    • ListBox1 is the list box with your sheet names


    • ListBox2 is the list box to auto-populate from column D


    First, you will need to ensure that listBox1 is initialized with your worksheet values. A sample of how you could do this is:



    Private Sub UserForm_Initialize()

    'MUST BE PLACED IN USERFORM CODE MODULE!!
    Dim ws As Worksheet
    For Each ws In ThisWorkbook.Worksheets
    Me.ListBox1.AddItem ws.Name
    Next ws

    End Sub


    The above is not required for your task, but your userform being pre-populated is required.



    Now you are going to want to watch for the ListBox1_Change() event. Again, if your listbox isn't named ListBox1, then you will need to change this in the Sub Name.



    Private Sub ListBox1_Change()

    'MUST BE PLACED IN USERFORM CODE MODULE!!
    Dim wsSelected As Worksheet
    Set wsSelected = ThisWorkbook.Worksheets(Me.ListBox1.Value)

    With wsSelected

    Me.ListBox2.List = rngToUniqueArr(.Range(.Cells(1, "D"), .Cells( _
    lastRow(wsSelected, "D"), "D")))

    End With

    End Sub

    Function rngToUniqueArr(ByVal rng As Range) As Variant
    'Reference to [Microsoft Scripting Runtime] Required
    Dim dict As New Scripting.Dictionary, cel As Range
    For Each cel In rng.Cells
    dict(cel.Value) = 1
    Next cel
    rngToUniqueArr = dict.Keys
    End Function

    Function lastRow(ws As Worksheet, Optional col As Variant = 1) As Long
    With ws
    lastRow = .Cells(.Rows.Count, col).End(xlUp).Row
    End With
    End Function


    The sub rngToUniqueArr is something I have stored in my PERSONAL.XLSB workbook, it's a useful function to have. This will take an input range and create a dictionary of unique values, and output into an array.




    The Above requires a reference to be set to Microsoft Scripting Runtime in Tools > References




    In your ListBox1_Change() event, the wsSelected is the worksheet you selected from ListBox1, and you are adding the array from the rngToUniqueArr into ListBox2.






    share|improve this answer

























      up vote
      1
      down vote













      Well, a few things are going to have to happen here.



      Since you failed to state the names of your listboxes, we are using the generic forms:





      • ListBox1 is the list box with your sheet names


      • ListBox2 is the list box to auto-populate from column D


      First, you will need to ensure that listBox1 is initialized with your worksheet values. A sample of how you could do this is:



      Private Sub UserForm_Initialize()

      'MUST BE PLACED IN USERFORM CODE MODULE!!
      Dim ws As Worksheet
      For Each ws In ThisWorkbook.Worksheets
      Me.ListBox1.AddItem ws.Name
      Next ws

      End Sub


      The above is not required for your task, but your userform being pre-populated is required.



      Now you are going to want to watch for the ListBox1_Change() event. Again, if your listbox isn't named ListBox1, then you will need to change this in the Sub Name.



      Private Sub ListBox1_Change()

      'MUST BE PLACED IN USERFORM CODE MODULE!!
      Dim wsSelected As Worksheet
      Set wsSelected = ThisWorkbook.Worksheets(Me.ListBox1.Value)

      With wsSelected

      Me.ListBox2.List = rngToUniqueArr(.Range(.Cells(1, "D"), .Cells( _
      lastRow(wsSelected, "D"), "D")))

      End With

      End Sub

      Function rngToUniqueArr(ByVal rng As Range) As Variant
      'Reference to [Microsoft Scripting Runtime] Required
      Dim dict As New Scripting.Dictionary, cel As Range
      For Each cel In rng.Cells
      dict(cel.Value) = 1
      Next cel
      rngToUniqueArr = dict.Keys
      End Function

      Function lastRow(ws As Worksheet, Optional col As Variant = 1) As Long
      With ws
      lastRow = .Cells(.Rows.Count, col).End(xlUp).Row
      End With
      End Function


      The sub rngToUniqueArr is something I have stored in my PERSONAL.XLSB workbook, it's a useful function to have. This will take an input range and create a dictionary of unique values, and output into an array.




      The Above requires a reference to be set to Microsoft Scripting Runtime in Tools > References




      In your ListBox1_Change() event, the wsSelected is the worksheet you selected from ListBox1, and you are adding the array from the rngToUniqueArr into ListBox2.






      share|improve this answer























        up vote
        1
        down vote










        up vote
        1
        down vote









        Well, a few things are going to have to happen here.



        Since you failed to state the names of your listboxes, we are using the generic forms:





        • ListBox1 is the list box with your sheet names


        • ListBox2 is the list box to auto-populate from column D


        First, you will need to ensure that listBox1 is initialized with your worksheet values. A sample of how you could do this is:



        Private Sub UserForm_Initialize()

        'MUST BE PLACED IN USERFORM CODE MODULE!!
        Dim ws As Worksheet
        For Each ws In ThisWorkbook.Worksheets
        Me.ListBox1.AddItem ws.Name
        Next ws

        End Sub


        The above is not required for your task, but your userform being pre-populated is required.



        Now you are going to want to watch for the ListBox1_Change() event. Again, if your listbox isn't named ListBox1, then you will need to change this in the Sub Name.



        Private Sub ListBox1_Change()

        'MUST BE PLACED IN USERFORM CODE MODULE!!
        Dim wsSelected As Worksheet
        Set wsSelected = ThisWorkbook.Worksheets(Me.ListBox1.Value)

        With wsSelected

        Me.ListBox2.List = rngToUniqueArr(.Range(.Cells(1, "D"), .Cells( _
        lastRow(wsSelected, "D"), "D")))

        End With

        End Sub

        Function rngToUniqueArr(ByVal rng As Range) As Variant
        'Reference to [Microsoft Scripting Runtime] Required
        Dim dict As New Scripting.Dictionary, cel As Range
        For Each cel In rng.Cells
        dict(cel.Value) = 1
        Next cel
        rngToUniqueArr = dict.Keys
        End Function

        Function lastRow(ws As Worksheet, Optional col As Variant = 1) As Long
        With ws
        lastRow = .Cells(.Rows.Count, col).End(xlUp).Row
        End With
        End Function


        The sub rngToUniqueArr is something I have stored in my PERSONAL.XLSB workbook, it's a useful function to have. This will take an input range and create a dictionary of unique values, and output into an array.




        The Above requires a reference to be set to Microsoft Scripting Runtime in Tools > References




        In your ListBox1_Change() event, the wsSelected is the worksheet you selected from ListBox1, and you are adding the array from the rngToUniqueArr into ListBox2.






        share|improve this answer












        Well, a few things are going to have to happen here.



        Since you failed to state the names of your listboxes, we are using the generic forms:





        • ListBox1 is the list box with your sheet names


        • ListBox2 is the list box to auto-populate from column D


        First, you will need to ensure that listBox1 is initialized with your worksheet values. A sample of how you could do this is:



        Private Sub UserForm_Initialize()

        'MUST BE PLACED IN USERFORM CODE MODULE!!
        Dim ws As Worksheet
        For Each ws In ThisWorkbook.Worksheets
        Me.ListBox1.AddItem ws.Name
        Next ws

        End Sub


        The above is not required for your task, but your userform being pre-populated is required.



        Now you are going to want to watch for the ListBox1_Change() event. Again, if your listbox isn't named ListBox1, then you will need to change this in the Sub Name.



        Private Sub ListBox1_Change()

        'MUST BE PLACED IN USERFORM CODE MODULE!!
        Dim wsSelected As Worksheet
        Set wsSelected = ThisWorkbook.Worksheets(Me.ListBox1.Value)

        With wsSelected

        Me.ListBox2.List = rngToUniqueArr(.Range(.Cells(1, "D"), .Cells( _
        lastRow(wsSelected, "D"), "D")))

        End With

        End Sub

        Function rngToUniqueArr(ByVal rng As Range) As Variant
        'Reference to [Microsoft Scripting Runtime] Required
        Dim dict As New Scripting.Dictionary, cel As Range
        For Each cel In rng.Cells
        dict(cel.Value) = 1
        Next cel
        rngToUniqueArr = dict.Keys
        End Function

        Function lastRow(ws As Worksheet, Optional col As Variant = 1) As Long
        With ws
        lastRow = .Cells(.Rows.Count, col).End(xlUp).Row
        End With
        End Function


        The sub rngToUniqueArr is something I have stored in my PERSONAL.XLSB workbook, it's a useful function to have. This will take an input range and create a dictionary of unique values, and output into an array.




        The Above requires a reference to be set to Microsoft Scripting Runtime in Tools > References




        In your ListBox1_Change() event, the wsSelected is the worksheet you selected from ListBox1, and you are adding the array from the rngToUniqueArr into ListBox2.







        share|improve this answer












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        answered Nov 20 at 0:02









        K.Dᴀᴠɪs

        6,295112140




        6,295112140






























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