출처 : <a href="http://tnsdnjs.tistory.com/55" target="_blank">http://tnsdnjs.tistory.com/55</a><br>
<br>=================================== ResponseText.aspx ========================================<br>
<br>
<div>using System;</div>
<div>using System.Web.Services;</div>
<div>using System.Collections.Generic;</div>
<div>using System.Web.Script.Services;</div>
<div><br>
</div>
<div>public partial class Ajax_AspNet_ResponseText : System.Web.UI.Page</div>
<div>{</div>
<div>&nbsp; &nbsp; protected void Page_Load(object sender, EventArgs e)</div>
<div>&nbsp; &nbsp; {</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; // Empty</div>
<div>&nbsp; &nbsp; }</div>
<div><br>
</div>
<div>&nbsp; &nbsp; // 단일값 반환 : 01.SingleValueReturn.htm에서 테스트</div>
<div>&nbsp; &nbsp; [WebMethod]</div>
<div>&nbsp; &nbsp; public static string GetMessage()</div>
<div>&nbsp; &nbsp; {</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; return "닷넷코리아";</div>
<div>&nbsp; &nbsp; }</div>
<div><br>
</div>
<div>&nbsp; &nbsp; // 개체값 반환 : 02.htm</div>
<div>&nbsp; &nbsp; [WebMethod]</div>
<div>&nbsp; &nbsp; public static Person GetRedPlus()</div>
<div>&nbsp; &nbsp; {&nbsp;</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; // 아래와 같이 했을 때&nbsp;</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; // {"d":{"__type":"Person","Name":"박용준","Age":21,"Male":true}}로 변환됨</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; // Ajax쪽에서는 data.d.Name, data.d.Age 식으로 가져감</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; return new Person() { Name = "박용준", Age = 21, Gender = true };</div>
<div>&nbsp; &nbsp; }</div>
<div><br>
</div>
<div>&nbsp; &nbsp; // 날짜값 반환 : 03.DateTimeValueReturn.htm</div>
<div>&nbsp; &nbsp; [WebMethod]</div>
<div>&nbsp; &nbsp; public static DateTime GetTime()</div>
<div>&nbsp; &nbsp; {</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; return DateTime.Now.ToUniversalTime();&nbsp;</div>
<div>&nbsp;&nbsp;&nbsp; }</div>
<div><br>
</div>
<div>&nbsp; &nbsp; // List&lt;T&gt; 형태를 JSON 형태로 출력</div>
<div>&nbsp; &nbsp; [WebMethod]</div>
<div>&nbsp; &nbsp; [ScriptMethod(ResponseFormat=ResponseFormat.Json)]</div>
<div>&nbsp; &nbsp; public static List&lt;Memo&gt; GetMemos()</div>
<div>&nbsp; &nbsp; {</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; List&lt;Memo&gt; lst = new List&lt;Memo&gt;() {&nbsp;</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; new Memo(){Num=1,Name="홍길동"},</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; new Memo(){Num=2,Name="백두산"},</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; new Memo(){Num=3,Name="한라산"}</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; };</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; return lst;&nbsp;</div>
<div>&nbsp; &nbsp; }</div>
<div>}</div>
<div><br>
<span style="WIDTH: 1px; FLOAT: right; HEIGHT: 1px" id="callbacknesttnsdnjstistorycom555442"></span></div>
<div>public class Memo</div>
<div>{</div>
<div>&nbsp; &nbsp; public int Num { get; set; }</div>
<div>&nbsp; &nbsp; public string Name { get; set; }</div>
<div>}</div>
<div><br>
</div>
<div>public class Person</div>
<div>{</div>
<div>&nbsp; &nbsp; public string Name { get; set; }</div>
<div>&nbsp; &nbsp; public int Age { get; set; }</div>
<div>&nbsp; &nbsp; public bool Gender { get; set; }</div>}<br>
<br><br>
<br>================================================ SingleValueReturn =======================================<br>
<br>
<div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; $.ajax({</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; type: "post",</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; url: "ResponseText.aspx/GetMessage",</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; data: "{}",</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; contentType: "application/json; charset=utf-8",</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; dataType: "json",</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; success: function (data) {</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; alert(data.d); // 단일값 : {d:'닷넷코리아'}</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; },</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; error: function (data) { alert('에러 발생'); }</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; });</div></div><br>
================================================ ObjectValueReturn =======================================<br>
<br>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; $.ajax({</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; type: "post",</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; url: "ResponseText.aspx/GetRedPlus",</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; data: "{}",</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; contentType: "application/json; charset=utf-8",</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; dataType: "json",</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; success: function (data) {</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var result = data.d;</div>
<div><br>
</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var type = result.__type; // "Person"</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var name = result.Name; // "박용준"</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var age = result.Age; // 21</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var male = result.Gender; // true</div>
<div><br>
</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; debugger; // IE : 여기서 멈춤, 디버깅 창 출력(옵션에서 디버깅 사용시)</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; },</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; error: function (data) { alert('에러 발생'); }</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; });</div><br>
================================================ DateTimeValueReturn =======================================<br>
<br>
<div>&nbsp; &nbsp; &nbsp; &nbsp; // unix time 형태의 시간 문자열을 JavaScript 날짜형으로 변환&nbsp;</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; function DateDeserialize(dateStr) {</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; return eval('new' + dateStr.replace(/\//g, ' '));</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; }</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; $(document).ready(function () {</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; $.ajax({</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; type: "post",</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; url: "ResponseText.aspx/GetTime",</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; data: "{}",</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; contentType: "application/json; charset=utf-8",</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; dataType: "json",</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; success: function (data) {</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var result = data.d;</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; document.write(result); // /Date(1259306350000)/</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; document.write("&lt;br /&gt;");</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var time = DateDeserialize(data.d); // 자바스크립트 날짜형으로 출력</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; document.write(time);</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var today = new Date(time); // 자바스크립트에서 원하는 형태로 사용 가능</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; document.write("&lt;br /&gt;" + today.getFullYear() + "년 입니다.");&nbsp;</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //return; debugger;</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; },</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; error: function (data) { alert('에러 발생'); }</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; });</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; });</div><br>
================================================ ListToJSON =======================================<br>
&nbsp;<br>

<div>&lt;head&gt;</div>
<div>&nbsp; &nbsp; &lt;title&gt;리스트값 반환&lt;/title&gt;</div>
<div>&nbsp; &nbsp; &lt;script src="../../js/jquery-1.3.2-vsdoc2.js" type="text/javascript"&gt;&lt;/script&gt;</div>
<div>&nbsp; &nbsp; &lt;script type="text/javascript"&gt;</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; $(document).ready(function () {</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; $.ajax({</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; type: "post",</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; url: "ResponseText.aspx/GetMemos",</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; data: "{}",</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; contentType: "application/json; charset=utf-8",</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; dataType: "json",</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; success:displayData, // displayData함수로 외부에 출력코드 작성</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; error: function (data) { alert('에러 발생'); }</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; });</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; });</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; function displayData(data, status) {</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; $('#ctlMemoList').empty();</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var table = "&lt;table&gt;&lt;tr&gt;&lt;td&gt;번호&lt;/td&gt;&lt;td&gt;이름&lt;/td&gt;&lt;/tr&gt;";</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; // Microsoft Ajax에서는 보안목적으로 data.d로 실제 데이터를 감싸놓음.</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; $.each(data.d, function (index, entry) {</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; table += '&lt;tr&gt;&lt;td&gt;' + entry["Num"] + '&lt;/td&gt;&lt;td&gt;' + entry["Name"] + '&lt;/td&gt;&lt;/tr&gt;';</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; });</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; table += "&lt;/table&gt;";</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; $('#ctlMemoList').append(table);&nbsp;</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; }</div>
<div>&nbsp; &nbsp; &lt;/script&gt;</div>
<div>&lt;/head&gt;</div>
<div>&lt;body&gt;</div>
<div>&nbsp; &nbsp; &lt;div id="ctlMemoList"&gt;&lt;/div&gt;</div>&lt;/body&gt;&nbsp;


jQuery Ajax로 ASP.NET과 연동하는 방법