public EventComment GetCommentaireForEvent(int idComment, DBContext db)
 {
     var requeteCommentaires = from b in db.EventComment
                               where b.Id == idComment
                               select b;
     return requeteCommentaires.FirstOrDefault();
 }
 public ArticleComment GetCommentaireForArticle(int idComment, DBContext db)
 {
     var requeteCommentaires = from b in db.ArticleComments
                               where b.Id == idComment
                               select b;
     return requeteCommentaires.FirstOrDefault();
 }