ช่วยดูการเชื่อมต่อ MS Access 2007 กะ VB 2008 หน่อยค่ะ ช่วยหน่อยนะคะ

 Private Sub ButtonInsert_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ButtonInsert.Click
        Dim cnn As New System.Data.OleDb.OleDbConnection
        cnn.ConnectionString = "Provider = Microsoft.Jet.OLEDB.4.0;data source = C:\Documents and Settings\Administrator\My Documents\Visual Studio 2008\Projects\WindowsApplication1\WindowsApplication1\product.mdb;"
        'cnn.Open()

        Dim cmd As New System.Data.OleDb.OleDbCommand
        cmd.Connection = cnn

        cmd.CommandText = "insert into product(ProductID,CategoriesID,ProductName,Brand,Model,Color,Price,Quantity) values (" & txtProductID.Text & "," & txtTypeID.Text & "," & txtProductName.Text & "," & ComboBoxBrand.Text & "," & txtProductModel.Text & "," & ComboBoxColor.Text & "," & txtPrice.Text & "," & txtQuantity.Text & ")"
        'cmd.ExecuteNonQuery()
        cnn.Close()

        MessageBox.Show("บันทึกข้อมูลเรียบร้อยแล้ว")
    End Sub