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update spreadsheet using ADO and Excel in VB6

Last Modified: 2012-05-10
I am trying to update an Excel spreadsheet using ado in VB6 with some code I found on internet.

I get "Item cannot be found in the collection corresponding to the requested name or ordinal"
If rc.Fields("Field3").Value = 10 Then

The column header for thr column is named Field3.  What's wrong?

Dim sfile As String
    Dim strQuery As String
    Dim rc As ADODB.Recordset
    Dim cn As ADODB.Connection
    sfile = "C:\Book1.xls"
    Set cn = New ADODB.Connection
    With cn
        .Provider = "MSDASQL"
        .ConnectionString = "Driver={Microsoft Excel Driver (*.xls)};" & _
    "DBQ=T:\Production Control Fabric and Yarn\Scheduling\AFGHAN SCHEDULE (Current)\denise_AFGSCH070610.xls; ReadOnly=False;"
    End With

strQuery = "Select * from [looms$C1:C20]"

    Set rc = New ADODB.Recordset
    rc.Open strQuery, cn, adOpenStatic
    MsgBox rc.RecordCount
    MsgBox rc.Fields.Count

    While Not rc.EOF()
        If rc.Fields("Field3").Value = 10 Then
            rc("Field3") = 66
        End If
Set rc = Nothing

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