you will get only value of fields which are updated means whose value change while updating.
and you can use
if(Entity.attributes.contains("attName"))
{
string value= Entity.attributes["attName"].toString();
}
or you can use reterive or fetch query to get all required columns .
Hope this helps. ----------------------------------------------------------------------- Santosh Bhagat If this post answers your question, please click "Mark As Answer" on the post and "Vote as Helpful"