public ActionResult BlogEditor(int id = noArticleId) { var labelList = ArticleDal.GetAllLabel(); if (id == noArticleId) { return(View(new BlogEditorVM { SelectLabelList = labelList })); } else { var article = ArticleDal.GetArticle(id); return(View(new BlogEditorVM { Article = article, SelectLabelList = labelList })); } }