Hi there, I have 2 xml file as below, I use outer join (not sure this is the best way) but not success. Purpose: find all information of person including pid, name, area who are not work in the cleaning jobs. persons.xml ======== John North William South Mary South Jason South cleaning.xml ========= p001 Clean windows p001 p003 wash the clothes Below is incomplete code and sure correct or not, any help is highly appreciated. XDocument cle = XDocument.Load(@"..\..\cleaning.xml"); XDocument per= XDocument.Load(@"..\..\person.xml");
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