private Document BeforeEdit(Document newDocument)
    {
        Document bdDocument = repDocuments.Get(d => d.Id == newDocument.Id);

        PropertyInfo[] destinationProperties = bdDocument.GetType().GetProperties();
        foreach (PropertyInfo destinationPI in destinationProperties)
        {
            PropertyInfo sourcePI = newDocument.GetType().GetProperty(destinationPI.Name);
            Object newValue = sourcePI.GetValue(newDocument, null);

            if (destinationPI.Name != "CreationDate" && newValue != null && newValue.ToString()!="0")
            {
                destinationPI.SetValue(bdDocument, newValue, null);
            }
        }

        return bdDocument;
    }