public class IndexModel : PageModel { private readonly ContosoUniversity.Models.SchoolContext _context; public IndexModel(ContosoUniversity.Models.SchoolContext context) { _context = context; } public List<Student> Student { get;set; } public async Task OnGetAsync() { Student = await _context.Student.OrderByDescending(x=>x.EnrollmentDate).Where (x=>x.ID.Equals("11")).ToListAsync(); } }
context 就是一个库._context是全局的库.
表达式:条件筛选.