日期:2014-05-16  浏览次数:20616 次

AJAX前台提交错误.求大虾帮助
HTML code
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="JqueryAJAX.aspx.cs" Inherits="JqueryAJAX.JqueryAJAX" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title></title>
    <script language="javascript" type="text/javascript" src="jquery-1.3.1.js"></script>
    <script language="javascript" type="text/javascript">
        $(function () {
            $("#btnOK").click(function () {
                Add();
            });
        })
        function Add() {
            var NO = $("#txtNO").val();
            var name = $("#txtName").val();
            var clas = $("#txtClass").val();
            var sex2 = $("input[type=radio][checked]").val();
            var sex = $('input:radio:checked').val();
            var param = "{'NO':'" + NO + "','name':'" + name + "','clas':'" + clas + "','sex':" + sex + "}";
            alert(param);
       
            $.ajax({
                type: "POST",
                url: "JqueryAJAX.aspx/AddInfo",
                data: param,
                contentType: "application/json; charset=utf-8",
                dataType: "json",
                timeout: 60000,
                error: function (XMLHttpRequest, textStatus, errorThrown) {
                    alert("error:" + errorThrown);
                },
                beforsend: function () {
                    $("#btnOK").attr("value", "正在提交...");
                },
                success: function (msg) {
                    if (msg.d == null) {
                        return;
                    }
                    var result = msg.d;
                    if (result > 0) {
                        $("#btnOK").attr("value", "提交");
                        alert("OK");
                    }
                    else {
                        $("#btnOK").attr("value", "提交");
                        alert("Error");
                    }
                },
                complete: function (XMLHttpRequest, textStatus) {
                    $("#btnOK").attr("value", "提交完成");
                }

            });
        }
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        学号:<input id="txtNO" type="text" /><br />
        姓名:<input id="txtName" type="text" /><br />
        班级:<input id="txtClass" type="text" /><br />
        性别:<input id="Radio1" name="sex" type="radio" value="1" checked="checked" />男<input id="Radio2" type="radio" name="sex" value="0" />女
        <input id="btnOK" type="button" value="提交" /></div>
    </form>
</body>
</html>




后台代码:
C# code
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Text;
using System.Web.S