Re: [MS_AccessPros] Populating a combo from other combo.

 

Art-

You set sFolderSource to an SQL statement, so it will never equal "".  You could open a recordset using sFolderSource and see if it returns any rows.  But unless the Bound Column of the combo box is text, you'll never be able to set it equal to "No Sub Folders".

John Viescas, Author

Effective SQL

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http://www.viescas.com/ 

(Paris, France)

On May 13, 2017, at 10:57 PM, dbalorenzini@yahoo.com [MS_Access_Professionals] <MS_Access_Professionals@yahoogroups.com> wrote:

I have three combos boxes, which should populate the next automatiacally. The first one is cboCabinet:

Private Sub cboCabinet_AfterUpdate()
Dim sFolderLoadSource As String
    
    sFolderLoadSource = "SELECT [tblFolders].[FolderID], [tblFolders].[CabinetID], [tblFolders].[FolderName] " & _
                        "FROM tblFolders " & _
                        "WHERE [CabinetID] = " & Me.cboCabinet.Value
    Me.cboFolders.RowSource = sFolderLoadSource
    Me.cboFolders.Requery

    Me.sfrmIndexes.Form.Requery
End Sub

This Works to populate the second combo called cboFolders.

Private Sub cboFolders_AfterUpdate()
Dim sFolderSource As String
    
    sFolderSource = "SELECT [tblSubFolders].[SUbFolderID], [tblSubFolder].[FolderID], [tblSubFolder].[SubFolderName] " & _
                        "FROM tblSubFolders " & _
                        "WHERE [FolderID] = " & Me.cboFolders.Value
    Me.cboSubFolders.RowSource = sFolderSource
    If sFolderSource = "" Then
      Me.cboSubFolders.Value = "No Sub Folders"
    Else
      Me.cboSubFolders.Requery
    End If
    

End Sub

My issues when it tries to populate the 3rd combo called cboSubFolders, there might be cases where there is no records in the subfolder table for a given combination of the first two combos. I am trying to set the value of cboSubFolders to No SubFolders in case of this combination. But it is not working. Any ideas?

Signed, 

Art Lorenzini

Sioux Falls, SD

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Posted by: John Viescas <johnv@msn.com>

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