XL2000: How to Populate One List Box Based on Another List Box

This article contains an example of using the selected item in one list box control on a UserForm to determine the list that will populate a second list box control.

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1. Close and save any open workbooks, and then open a new workbook.
2. On Sheet1, enter the following values:

      A1: North Carolina  B1: Charlotte   C1: Charleston  D1: Charlottesville
      A2: South Carolina  B2: Greensboro  C2: Columbia    D2: Norfolk
      A3: Virginia        B3: Raleigh     C3: Greenville  D3: Richmond
   					

3. Start the Visual Basic Editor (press ALT+F11).
4. If the Properties window is not visible, click Properties Window on the View menu (or press F4).
5. On the Insert menu, click UserForm.
6. Draw a list box control on the UserForm.
7. Open the Properties window (press F4).
8. Select the RowSource property and type Sheet1!A1:A3.
9. Draw another list box control on the UserForm.
10. Double-click the ListBox1 control (from Step 6) to open the Code window for the UserForm.
11. In the module, type the following code for the ListBox1 Click event:

    Private Sub ListBox1_Click()
    
    'Get the currently selected item
    Select Case ListBox1.Value
    
       'If North Carolina, set RowSource property of ListBox2
       'to Column B.
       Case "North Carolina"
           ListBox2.RowSource = "Sheet1!B1:B3"
     
       'If South Carolina, set RowSource property of ListBox2
       'to Column C.
       Case "South Carolina"
           ListBox2.RowSource = "Sheet1!C1:C3"
    
       'If Virginia, set RowSource property of ListBox2 to
       'Column D.
       Case "Virginia"
           ListBox2.RowSource = "Sheet1!D1:D3"
    
    End Select
    
    End Sub
    					

12. Run the UserForm.
    
    When you click one of the items in ListBox1, the list in ListBox2 is updated, reflecting the choice that you made in ListBox1.
13. Close the UserForm.

For more information about list boxes, in the Visual Basic Editor, click Microsoft Visual Basic Help on the Help menu, type listbox control in the Office Assistant or the Answer Wizard, and then click Search to view the topic.