c# - How do I find all XML elements whose value is in a list of values using LINQ -

c# - How do I find all XML elements whose value is in a list of values using LINQ -

i need able find xml elements values can found in list of values grouping of xml elements. in other words homecoming of elements grouping value matches of elements grouping b. need accomplish using linq xml.

here's code. returns null. how prepare it?

ienumerable<xelement> myelements = e in groupa.elements("element") groupb.elements("element").tolist().contains(e) select e;

i think want

ienumerable<xelement> myelements = e in groupa.elements("element") groupb.elements("element").any(b => b.value == e.value) select e;

c# .net linq-to-xml