Question

我想跟踪我的电子商务网站产品下载的完整/成功和失败。我使用asp.net处理程序，我称之为throuh jquery ajax.i编写了一个代码。但是没有弹出downoad对话框，我仍然不知道成功和失败statistics.i需要根据返回的json数据更新我的数据库（对于成功/ false表示失败），来自asp.net处理程序.Anyone帮帮我。我提到的链接是

http://www.codeguru.com/csharp/csharp/cs_data/article.php/c17133/Tip-File-Download-in-ASPNET-and-Tracking-the-Status-of-Success-or-Failure-of-Download.htm

Answer 1

//Assuming Download() is a thread 

Private void DownLoad()
{
    try
    {
        for(int i=0;i<=n;i++)
        {  
           //Your code   
           Session["CurrentStatus"] = "SUCCESS"; //you can set download percentage here
        }
       Session["CurrentStatus"] = "COMPLETE";
    }catch()
    {
         Session["CurrentStatus"] = "FAIL";
    }
}


From Your UI you will fire an asynchronous event using PageMethod i.e

function GetCurrentThreadStatus()
{
       //You can use JQuery Ajax here
       //PageMethod is just an alternative
       PageMethods.GetThreadStatus(function(status){
           // success
           if(status=="COMPLETE")
           {
                //Update DB :: success
           }
           if(status=="FAIL")
           {
                //Update DB :: fail
           }
       });
}
Code Behind : C#

[WebMethod]
public static string GetThreadStatus()
{
     return  (string)Session["CurrentStatus"];
}

跟踪产品下载的成功与否

1 个答案: