C# 如何将ObjectResult转换为JsonResult？

我们需要将从数据库获得的结果集转换为json，只有这样才能在javascript和Angularjs中使用

优化：

public JsonResult Get()
{
    DBEntities db = new DBEntities();
    var result = db.GetMenuMaster();
    //Convert result to Json
}

public JsonResult Get()
{
  DBEntities db = new DBEntities();
  var result = db.GetMenuMaster();
  return new JsonResult() { Data = result, JsonRequestBehavior = JsonRequestBehavior.AllowGet };
}

优化：

public JsonResult Get()
{
  DBEntities db = new DBEntities();
  var result = db.GetMenuMaster();
  return new JsonResult() { Data = result, JsonRequestBehavior = JsonRequestBehavior.AllowGet };
}

---

用户也可以尝试以下方法：-

[HttpGet]
    public ActionResult Get()
    {
        DBEntities db = new DBEntities();
        var result = db.GetMenuMaster();

        return new JsonResult
        {
            Data = result,
            ContentEncoding = Encoding.UTF8,
            ContentType = "application/json",
            MaxJsonLength  = int.MaxValue,
            JsonRequestBehavior = JsonRequestBehavior.AllowGet
        };
    }

---

用户也可以尝试以下方法：-

[HttpGet]
    public ActionResult Get()
    {
        DBEntities db = new DBEntities();
        var result = db.GetMenuMaster();

        return new JsonResult
        {
            Data = result,
            ContentEncoding = Encoding.UTF8,
            ContentType = "application/json",
            MaxJsonLength  = int.MaxValue,
            JsonRequestBehavior = JsonRequestBehavior.AllowGet
        };
    }