c# - SystemCore_EnumerableDebugView dll -

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not sure assembly need add,as showing systemcore_enumerabledebugview missing. have added assembly system.core dll still showing error need add refrence.

list<clsdownloadattachments> objlst = new list<clsdownloadattachments>(); objlst = (list<clsdownloadattachments>)session["datsetrsult"]; var result = objlst.where(p => p.mmid.tostring().contains(mmidpk)).select(p =>p.filenames.tostring()); var rst = (new system.linq.systemcore_enumerabledebugview<string>(result)).items[0];

please advice, thanks


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