jquery:$.post()

[b]以字符串形式返回[/b]

jqajax.html
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<style type="text/css">
* {
margin: 0;
padding: 0;
}

body {
font-size: 12px;
}

.comment {
margin-top: 10px;
padding: 10px;
border: 1px solid #ccc;
background: #DDD;
}

.comment h6 {
font-weight: 700;
font-size: 14px;
}

.para {
margin-top: 5px;
text-indent: 2em;
background: #DDD;
}
</style>
<script src="jquery-1.7.1.min.js" type="text/javascript">
</script>
<script type="text/javascript">
$(function () {
$("#send").click(function () {
$.post("Ajax.aspx", {
username: $("#username").val(),
content: $("#content").val()
}, function (data, textStatus) {
$("#resText").html(data); // 把返回的数据添加到页面上
}
);
})
})
</script>
</head>
<body>
<form name="form1" id="form1">
<p>评论:</p>
<p>姓名:
<input type="text" name="username" id="username" /></p>
<p>内容:
<textarea id="content"></textarea></p>
<p>
<input type="button" id="send" value="提交" /></p>
</form>


<div class='comment'>已有评论：</div>
<div id="resText">
</div>

</body>
</html>


Ajax.aspx
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace WDEDUCLoudDEV
{
public partial class Ajax : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string username=Request["username"].ToString();
string content=Request["content"].ToString();
Response.Write("<div class='comment'><h6> " + username + " :</h6><p class='para'> " + content + " </p></div>");

}
}
}