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jQuery调用Asp.Net后台方法

2016-06-28 09:32 417 查看
常用的ajax就不讲了,这里主要是说通过ajax调用asp.net[b]后台的cs文件暴露的方法.[/b]

前台:

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebApplication1.Default" %>

<!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 src="Scripts/jquery-1.4.2.js" type="text/javascript"></script>

<script type="text/javascript">

$("input[type='button'][value='GetOneDayLater']").click(function () {

$.ajax({

type: "post",

url: "Default.aspx/GetOneDayLate",

data: "{days:1}",

datatype: "json",

contentType: "application/json; charset=utf-8",

success: function (data) {

$("input#showTime").val(eval('(' + data.d + ')')[0].nowtime);

},

error: function (XMLHttpRequest, textStatus, errorThrown) {

alert(errorThrown);

}

});

});

});

</script>

</head>

<body>

<form id="form1" runat="server">

<div>

<input type="button" value="GetOneDayLater" />

<input type="text" id="showTime" />

</div>

</form>

</body>

</html>

后台:

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.Services;

namespace WebApplication1

{

public partial class Default : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

}

[WebMethod]

public static String GetOneDayLate(Int32 days)

{

return "[{\"nowtime\":\"" + DateTime.Now.AddDays(days).ToShortDateString() + "\"}]";

}

}

}

jQuery调用后台方法
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