/**public void DeleteArticle(Articles Article) * { * ArticlesDao.DeleteArticle(Article); * }**/ public void Delete_Article(ListViewItem ListViewItem) { if (ListViewItem == null) { MessageBox.Show("Please select an article!"); } else { var RefArticle = ListViewItem.Text; if (FindArticleByRefArticle(RefArticle)) { ArticlesDao.DeleteArticle(FindArticlesByRefArticle(RefArticle)); if (!FindArticleByRefArticle(RefArticle)) { MessageBox.Show("Delete succeed!"); } } else { MessageBox.Show("Article doesn't exist!"); } } }