vb msflexgrid控件如何样连sql2005数据库

    Dim cnn As New ADODB.Connection
    cnn.ConnectionString = "PROVIDER=MSDASQL;DRIVER={SQL Server};SERVER=192.168.1.100;DATABASE=database1;UID=sa;PWD=123"
    If cnn.State <> ADODB.ObjectStateEnum.adStateClosed Then cnn.Close
    cnn.Open
    
    Dim Rs As ADODB.Recordset
    Set Rs = New ADODB.Recordset
    With Rs
        Set .ActiveConnection = cnn
        .CursorLocation = adUseClient
        .CursorType = adOpenKeyset
        .LockType = adLockOptimistic
        .Open "SELECT good_code,customer,sum(price*amount)/sum(amount) AS avg_price FROM sales GROUP BY good_code,customer"
        If .RecordCount > 0 Then
            MSFlexGrid1.Clear
            MSFlexGrid1.Cols = 3
            MSFlexGrid1.Rows = .RecordCount + 1
            MSFlexGrid1.TextMatrix(0, 0) = "商品编号"
            MSFlexGrid1.TextMatrix(0, 1) = "顾客名称"
            MSFlexGrid1.TextMatrix(0, 2) = "平均价格"

            .MoveLast: .MoveFirst
            For i = 1 To .RecordCount
                MSFlexGrid1.TextMatrix(i, 0) = .Fields(0).Value & vbNullString
                MSFlexGrid1.TextMatrix(i, 1) = .Fields(1).Value & vbNullString
                MSFlexGrid1.TextMatrix(i, 2) = .Fields(2).Value & vbNullString
                .MoveNext
            Next
        End If
        .Close
    End With
    Set Rs = Nothing