Populating an excel worksheet with a ADO recordset

Private Sub ImportTable(ByVal Rs As ADODB.Recordset, ByVal worksheetName As String, Optional ByVal appendMode As Boolean = False, Optional ByVal PrintFieldHeader As Boolean = True)

 
        'Date: 9 April, 2009
        'Author: David Tsang
 
        Dim ws As Worksheet
        Dim rowStart As Double
     
        Application.ScreenUpdating = False
        Application.Calculation = xlCalculationManual
 
        If worksheetName = "$" Then
     
            Exit Sub
     
        End If
     
 
        Set ws = Worksheets(worksheetName)
             
        If appendMode = False Then
         
            ws.Cells.ClearContents
            rowStart = 1
     
        Else
             
            rowStart = ws.UsedRange.Rows.Count + 1
     
        End If
       
     
        With ws
     
          If PrintFieldHeader = True Then
     
            For x = 1 To Rs.Fields.Count
         
                .Cells(rowStart, x).Value = "'" & Rs.Fields(x - 1).Name
 
            Next
         
            rowStart = rowStart + 1
       
          End If
           
          With .Cells(rowStart, 1)
             
                numberOfRows = .CopyFromRecordset(Rs)
       
          End With
       
          .Columns.AutoFit
       
        End With
             
        Do Until ws.UsedRange.Rows.Count >= Rs.RecordCount
            DoEvents
        Loop

     
        Application.Calculation = xlCalculationAutomatic
             
End Sub