[EditArticles]  public static Guid xmlDB_Create_Article(this TM_Xml_Database tmDatabase, TeamMentor_Article article)
 {
     if (article.notNull())
     {
         article.Metadata.Id = Guid.NewGuid();
         if (article.xmlDB_Save_Article(tmDatabase))
         {
             return(article.Metadata.Id);
         }
     }
     return(Guid.Empty);
 }
 public static IE_TeamMentor article_Html(this IE_TeamMentor ieTeamMentor, TeamMentor_Article tmArticle)
 {
     return (ieTeamMentor.notNull() && tmArticle.notNull())
         ? ieTeamMentor.article_Html(tmArticle.Metadata.Id)
         : ieTeamMentor;
 }
 public static Guid xmlDB_Create_Article(this TM_Xml_Database tmDatabase, TeamMentor_Article article)
 {
     UserRole.EditArticles.demand();
     if (article.notNull())
     {
         article.Metadata.Id = Guid.NewGuid();
         if(article.xmlDB_Save_Article(tmDatabase))
             return article.Metadata.Id;
     }
     return Guid.Empty;
 }