public bool UpdateYear(int id, int y) { using (LinqLibraryDataContext dataContext = new LinqLibraryDataContext()) { if (dataContext.GetBook(id) == null) { return(false); } else { dataContext.UpdateYear(id, y); return(true); } } }
public bool UpdateBook(int ID, string title, string author, string publisher, int year) { using (LinqLibraryDataContext dataContext = new LinqLibraryDataContext()) { if (dataContext.GetBook(ID) != null) { dataContext.UpdateTitle(ID, title); dataContext.UpdateAuthor(ID, author); dataContext.UpdatePublisher(ID, publisher); dataContext.UpdateYear(ID, year); return(true); } return(false); } }