Jquery Uploadify multi-file upload with progress bar and pass own parameters_jquery

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="UpLoad.aspx.cs" Inherits="UploadifyDemo_UpLoad" %>

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<%@ WebHandler Language="C#" Class="UploadHandler" %>

using System;
using System.Web;
using System.IO;

///

/// UploadHandler文件上传
///

public class UploadHandler : IHttpHandler
{
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/plain";
context.Response.Charset = "utf-8";

HttpPostedFile file = context.Request.Files["Filedata"];
string uploadPath = HttpContext.Current.Server.MapPath(@context.Request["folder"]);
string name = context.Request.Params["name"]; //获取传递的参数
string albums = context.Request.Params["albums"];
if (file != null)
{
if (!Directory.Exists(uploadPath))
{
Directory.CreateDirectory(uploadPath);
}
file.SaveAs(Path.Combine(uploadPath, file.FileName));
context.Response.Write("1");
}
else
{
context.Response.Write("0");
}
}

public bool IsReusable
{
get
{
return false;
}
}
}