protected void On_ModifyBtn_Clicked(object sender, EventArgs e) { TreeIter iter; BooksView.Selection.GetSelected(out iter); var id = BookList.GetValue(iter, 0); var book = Repository.FindById(Convert.ToInt32(id)); if (id == null) { MessageDialog warning = new MessageDialog(this, DialogFlags.Modal | DialogFlags.DestroyWithParent, MessageType.Warning, ButtonsType.Ok, "\nPlease choose a book first!"); warning.Run(); warning.Destroy(); return; } //modify book dialog var dlg = new BookInfoDialog(book.Id, book); if (dlg.Run() == (int)ResponseType.Ok) { var nb = dlg.newBook; if (nb != null) { //set newValue to BookList BookList.SetValues(iter, nb.Id, nb.Title, nb.Author, nb.Press, nb.ISBN, nb.Price); //updata newInfo to database Repository.Modify(nb); } } dlg.Destroy(); }
protected void On_AddBtn_Clicked(object sender, EventArgs e) { //show Addbook dialog var newId = lastId + 1; var dlg = new BookInfoDialog(newId, null); if (dlg.Run() == (int)ResponseType.Ok) { var nb = dlg.newBook; if (nb != null) { //update book in BookList(model) BookList.AppendValues (nb.Id, nb.Title, nb.Author, nb.Press, nb.ISBN, nb.Price); //update book in database Repository.Add(nb); //update lastId lastId = nb.Id; } } dlg.Destroy(); }