I get the compile-time error "User-defined types not defined" on this line:

Dim cn As ADODB.Connection

What could be wrong?

Code:

Sub test()

    Dim cn As ADODB.Connection

    'Not the best way to get the name, just convenient for notes

    strFile = Workbooks(1).FullName
    strCon = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & strFile & ";Extended Properties=""Excel 8.0;HDR=Yes;IMEX=1"";"
    Set cn = CreateObject("ADODB.Connection")
    'For this to work, you must create a DSN and use the name in place of

    'DSNName

    'strSQL = "INSERT INTO [ODBC;DSN=DSNName;].NameOfMySQLTable " & "Select AnyField As NameOfMySQLField FROM [Sheet1$];"
     strSQL = "SELECT F1 FROM [Sheet1$];"
     cn.Execute strSQL
End Sub
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