1. public JsonResult UpdateSingle(int id, string actionName, string actionValue)
2. {
3. var res = new JsonResult();
4. //var value = "actionValue";
5. //db.ContextOptions.ProxyCreationEnabled = false;
6. var list = (from a in db.Articles
7. select new
8. {
9. name = a.ArtTitle,
10. yy = a.ArtPublishTime
11. }).Take(5);
12. //記得這里要select new 否則會報錯：序列化類型 System.Data.Entity.DynamicProxies XXXXX 的對象時檢測到循環引用。
13. //不select new 也行的加上這句 //db.ContextOptions.ProxyCreationEnabled = false;
14. res.Data = list;//返回列表
15.  
16. var name = "小華";
17. var age = "12";
18. var name1 = "小華";
19. var age1 = "12";
20. res.Data = new object[] { new { name, age }, new { name1, age1 } };//返回一個自定義的object數組
21.  
22. var person = new { Name = "小明", Age = 22, Sex = "男" };
23. res.Data = person;//返回單個對象；
24.  
25. res.Data = "這是個字符串";//返回一個字符串,意義不大；
26.  
27. res.JsonRequestBehavior = JsonRequestBehavior.AllowGet;//允許使用GET方式獲取，否則用GET獲取是會報錯。
28. return res;
29. }

1. <a href="javascript:void(0);" onclick="javascript:upclick(this);">Click Me</a>
2. <script type="text/javascript">
3. function upclick(o) {
4. var obj = $(o);
5. alert(obj);
6. $.ajax({
7. url: "/Articles/UpdateSingle?ran=" + Math.random(),
8. type: "GET",
9. dataType: "json",
10. data: { id: obj.attr("id"), actionName: obj.attr("actionName"), actionValue: obj.attr("actionValue") },
11. success: function (data) {
12. // if (data.result == "True") {
13. // alert("修改成功！");
14. // }
15. // if (obj.attr("actionName") == "ArtVerify") {
16.  
17. // }
18. $(o).html(data[0].name);
19. obj.attr("actionValue", data[0].result);
20. }
21. })
22. }
23. </script>

1. protected void Page_Load(object sender, EventArgs e)
2. {
3. var customer = new customer { name = "李華", sex = "男" };
4. var customer1 = new customer { name = "小芳", sex = "女" };
5. var li = new List<customer>();
6. li.Add(customer);
7. li.Add(customer1);
8. var list = Newtonsoft.Json.JavaScriptConvert.SerializeObject(li);
9. var tt = "[{\"name\":\"李華\",\"sex\":\"男\"},{\"name\":\"小芳\",\"sex\":\"女\"}]";
10. //new Newtonsoft.Json.JsonSerializer()..(customer);
11. Response.Write(tt);
12. Response.End();
13. }
14.  
15. public class customer
16. {
17. public string name { get; set; }
18. public string sex { get; set; }
19. }

1. <p>
2. <a href="javascript:void(0)" onclick="javascript:getJsonData();">GetJsonData</a>
3. </p>
4. <div id="dataDiv">
5. ggg
6. </div>
7. <script type="text/javascript">
8. function getJsonData() {
9. var str = "";
10. $.getJSON("/Json.aspx", function (data) {
11. var tt = "";
12. $.each(data, function (k, v) {
13. $.each(v, function (kk, vv) {
14. tt += kk + "：" + vv + "<br/>";
15. });
16. });
17. $("#dataDiv").html(tt);
18. });
19. }
20. </script>

顯示結果：