How to set some calculated value to child item type.

How to set some calculated value to child item type.https://www.aras.com/community/f/development/3252/how-to-set-some-calculated-value-to-child-item-typeHi, I am trying to set Property weight to the child part which is in PART BOM relationship. when I alert the name of childPart and classification it gives me correct result, but when I going to set new property value like this, childPart.setPropertyen-USTelligent Community 12RE: How to set some calculated value to child item type.https://www.aras.com/community/thread/421?ContentTypeID=1Mon, 08 May 2017 09:23:04 GMT916d3f7e-8ddc-42f8-8d45-380822f51406:aa69939a-d4d1-431f-84ce-d7444050e520Yoann MaingonHi, If childPart is really your childPArt and not just the relationship ("Part BOM") this should work (also if it is in edit mode) can you show the full code of your method?<div style="clear:both;"></div>