Interface Object changes not being reflected in Changeset - Updates

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VB

LINQ

I am currently trying to understand as to why when I apply the following changes to the interface object that it does not get added to the changeset.

The following is a transaction which is looping through XML and setting the values to the object(Which is some kind of item-type)

' If Connection is Closed
' Open before we get a Transaction
If DB.Connection.State = ConnectionState.Closed Then
    DB.Connection.Open()
End If

DB.Transaction = DB.Connection.BeginTransaction

Try
    Dim nEl = 0
    For Each el As XElement In XDoc.Root.Elements
        Dim Type = el.Element("Type").Value.ToUpper
        Dim RefCode = el.Element("RefCode").Value.ToUpper

        Dim oIItem = GetItemByTypeAndCode(DB, Type, RefCode)

        If oIItem IsNot Nothing Then
            If Not el.Element("SP1").Value.IsNullOrEmpty Then
                oIItem.ItmSelling1 = CDbl(el.Element("SP1").Value)
            End If
            If Not el.Element("SP2").Value.IsNullOrEmpty Then
                oIItem.ItmSelling2 = CDbl(el.Element("SP2").Value)
            End If
            If Not el.Element("SP3").Value.IsNullOrEmpty Then
                oIItem.ItmSelling3 = CDbl(el.Element("SP3").Value)
            End If
            If Not el.Element("SP4").Value.IsNullOrEmpty Then
                oIItem.ItmSelling4 = CDbl(el.Element("SP4").Value)
            End If
            If Not el.Element("SP5").Value.IsNullOrEmpty Then
                oIItem.ItmSelling5 = CDbl(el.Element("SP5").Value)
            End If
            If Not el.Element("SP6").Value.IsNullOrEmpty Then
                oIItem.ItmSelling6 = CDbl(el.Element("SP6").Value)
            End If
            nEl += 1

            If ReportProgressDel IsNot Nothing Then
                ReportProgressDel.Invoke(nEl / XDoc.Root.Elements.Count * 100)
            End If
        Else
            Throw New Exception("Item '{0}' of type {1} not found!", RefCode.Trim, Type.Trim)
        End If
    Next

    DB.SubmitChanges()
    DB.Transaction.Commit()

Catch ex As Exception
    lError = True
    DB.Transaction.Rollback()
    Throw ex
End Try