新建一般处理程序
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publicclassTemp
{
publicintIndex {get;set; }
publicstringDescription {get;set; }
publicstringImagePath {get;set; }
publicDateTime MyDate {get;set; }
}
//数据源
List<Temp> listTemp =newList<Temp>()
{
newTemp(){ Index=1,ImagePath="Desert.jpg", Description="图片1",MyDate=DateTime.Now},
newTemp(){Index=2,ImagePath="Chrysanthemum.jpg", Description="图片2",MyDate=DateTime.Now},
newTemp(){Index=3,ImagePath="Penguins.jpg", Description="图片3",MyDate=DateTime.Now},
newTemp(){Index=4,ImagePath="Jellyfish.jpg", Description="图片4",MyDate=DateTime.Now},
newTemp(){Index=5,ImagePath="Tulips.jpg", Description="图片5",MyDate=DateTime.Now}
};
publicvoidProcessRequest(HttpContext context)
{
stringindex = context.Request["Index"];
stringjsonStr =string.Empty;
foreach(var iteminlistTemp)
{
if(item.Index.ToString() == index)
{
JavaScriptSerializer serializer =newJavaScriptSerializer();
jsonStr = serializer.Serialize(item);//序列化为json格式
break;
}
}
context.Response.Write(jsonStr);
}
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前台JS代码
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$.getJSON("imageChange.ashx", { Index: i - 1 },function(result) {
$("#<%=lblDescription.ClientID %>").text(result.Description);
$("#<%=Image1.ClientID %>").attr("src", path + result.ImagePath.substr(result.ImagePath.lastIndexOf('/') + 1));
vard = eval("new "+ result.MyDate.replace(/\//g, ""));
$("#<%=lblDate.ClientID %>").text(Todate(d.ToLocalTime().toString()));
});
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前台JS代码
//ToLocalTime()将UTC格式数据转换成标准日期格式
//注意JavaScriptSerializer会将日期序列号为自1970年1月1号的刻度值，所以js获取的时间值需做一些处理转换成标准日期格式
//详见http://msdn.microsoft.com/zh-cn/library/system.web.script.serialization.javascriptserializer.aspx