static void QueryAll(TestManageDBContext db) { foreach (var cls in db.Classes.Where(w => w.Id == 1)) { Console.WriteLine($"ID:{cls.Id} Name:{cls.ClassName} Memo:{cls.Memo}"); } }
private static void AddCls(TestManageDBContext db) { var cls = new Classes { ClassName = "班级二", Memo = "第二" }; db.Classes.Add(cls); db.SaveChanges(); }
private static void ModifyCls(TestManageDBContext db) { var cls = db.Classes.SingleOrDefault(s => s.Id == 2); if (cls != null) { cls.Memo = "二班人很多1111111"; db.SaveChanges(); } }
private static void RemoveCls(TestManageDBContext db) { var cls = db.Classes.SingleOrDefault(s => s.Id == 2); if (cls != null) { db.Classes.Remove(cls); db.SaveChanges(); } }
public ClassRepository(TestManageDBContext db) { _db = db; }
public HomeController(TestManageDBContext db) { }