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how to fill two comboboxes without duplicate|VBA & Macros|Excel Forum|My Online Training Hub

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sp_CrumbsHome HomeExcel ForumVBA & Macroshow to fill two comboboxes without …
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how to fill two comboboxes without duplicate
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fatyn nabila
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November 19, 2018 - 2:41 pm
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Hi, I have two comboboxes and want to fill with details from column f and column K from my database without duplicate items. The database will be updated daily. Basically this is what I have. Only one combobox filled with data from column f without duplicate. Anyone can help me how to fill the second combobox?

Thank you

 

Private Sub UserForm_Initialize()
Dim d As Object, va, i As Long
Set d = CreateObject("scripting.dictionary")
d.CompareMode = vbTextCompare
va = Sheets("DB").Range("F2", Cells(Rows.Count, "F").End(xlUp))
For i = 1 To UBound(va, 1)
d(va(i, 1)) = ""
Next
ComboBox1.List = d.keys

End Sub

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Velouria
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November 19, 2018 - 8:32 pm
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Simple option is to just to duplicate what you do for the first combobox, like this:

 

Private Sub UserForm_Initialize()
Dim d As Object, va, i As Long
Set d = CreateObject("scripting.dictionary")
d.CompareMode = vbTextCompare
va = Sheets("DB").Range("F2", Cells(Rows.Count, "F").End(xlUp))
For i = 1 To UBound(va, 1)
d(va(i, 1)) = ""
Next
ComboBox1.List = d.keys

d.RemoveAll
va = Sheets("DB").Range("K2", Cells(Rows.Count, "K").End(xlUp))
For i = 1 To UBound(va, 1)
d(va(i, 1)) = ""
Next
ComboBox2.List = d.keys

End Sub

 

If the two ranges should have the same number of rows, I'd suggest using two dictionaries so you only have to loop once, while populating both dictionaries.

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fatyn nabila
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November 21, 2018 - 6:04 pm
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thanks for your reply. I have done as you suggest but it doesn't work. run time error 424 object required.

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Velouria
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November 21, 2018 - 6:35 pm
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On which line? You will need to amend Combobox2 in the code to whatever the name of the second combobox is of course.

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fatyn nabila
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November 22, 2018 - 1:24 pm
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I just realize the name of second combobox is not Combobox2 but Combobox3. It works now. Thank you so much Velouria. It helps a lot

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Velouria
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November 22, 2018 - 9:01 pm
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You're welcome.

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