Kindly ignore the request.. I figured it out myself..  

_________________________________________________________________________________________________
"There are known knowns. These are things we know that we know. There are known 
unknowns. That is to say, there are things that we know we don't know. But 
there are also unknown unknowns. There are things we don't know we don't know." 




________________________________
From: Alokeshwar Tiwary <alokeshwar.tiw...@yahoo.com>
To: excel-macros@googlegroups.com
Sent: Monday, 9 February, 2009 5:52:54 AM
Subject: $$Excel-Macros$$ Run-time error '-2147352571 (80020005) - Type Mismatch


Hi,

I am trying to populate an excel userform combo box from a table in access 
database using DAO.

When I pass arguments as following:
AddItemtoDropDownList Me.cboUserName, "LookupLists", "UserId"
VBA returns following error: 
=======================
Run-time error '-2147352571 (80020005)
Type Mismatch=======================
 
When I click on debug VBA highlights below line from the code:
cboBox.AddItem rs.Fields(cboField).value
 
Here is my code:
 
=======================================
Sub AddItemtoDropDownList(cboBox As Object, cboSourceTable As String, cboField 
As String)
Dim db As Database, rs As Recordset
    Set db = OpenDatabase(CurrentDB(), False, False, DBPassword())
    Set rs = db.OpenRecordset("SELECT " & cboField & " FROM " & cboSourceTable 
& " Order by " & cboField, dbReadOnly)
    Do
        cboBox.AddItem rs.Fields(cboField).value
        rs.MoveNext
    Loop Until rs.EOF

    rs.Close
    Set rs = Nothing
    db.Close
    Set db = Nothing
End Sub
=======================================
 
If hardcode field name and tablename in my code as following it works pefectly 
fine. 
What could be the problem? with the code mentioned above while the code 
mentioned below is working.
Also i will be grateful if you could suggest some alternate method to populate 
combobox is excel userform from a field in an access database table.
 
Sub AddItemtoComboBox
Dim db As Database, rs As Recordset
    
    Set db = OpenDatabase(CurrentDB(), False, False, DBPassword())
    Set rs = db.OpenRecordset("SELECT UserId FROM LookupLists Order by UserId", 
dbReadOnly)
    Do 
        Me.cboUserId.AddItem rs.Fields("UserId").value
        rs.MoveNext
    Loop Until rs.EOF

    rs.Close
    Set rs = Nothing
    db.Close
    Set db = Nothing
End SUb
 

_________________________________________________________________________________________________
"There are known knowns. These are things we know that we know. There are known 
unknowns. That is to say, there are things that we know we don't know. But 
there are also unknown unknowns. There are things we don't know we don't know."
________________________________
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