常见LINQ语句学习

1.读取20条最新留言

public ActionResult Index()
{
    var mostRecentEntries = (from entry in _db.Entries
                             orderby entry.DateAdded descending
                             select entry).Take();

    ViewBag.Entries = mostRecentEntries.ToList();
    return View();
 }

2.搜索电影

public ActionResult SearchIndex(string searchString)
{
    var movies = from m in db.Movies
                 select m; 

    if (!String.IsNullOrEmpty(searchString))
    {
        movies = movies.Where(s => s.Title.Contains(searchString));
    } 

    return View(movies);
}