Comment afficher un champ de type ressource de l'annuaire (CN/DN) multivalués dans une colonne de vue

SELECT 
    FG.id_document as id,
    FG.Nom_Groupe as Nom_Groupe,
    FG.Description as Description,
    Membres = substring( ( SELECT ',' + isnull(DR.cn_name,FG2.value) as [text()]
FROM 
    FRM_AMM_Diffusion_Group_FLD_Membres FG2 
    inner join DirectoryResources DR on DR.dn_name = FG2.value
WHERE 
    FG2.id_document = FG.id_document 
    FOR XML path(''), elements   ), 2, 1000  ) ,
    FG.Actif as Actif
FROM
    FRM_AMM_Diffusion_Group FG
where
    FG.id_document in (SELECT id_document FROM DocumentAccessView   WHERE resource_name {0})