如何解决“现有连接被远程主机强行关闭”的查询？

问题描述

我正在使用asp.net c＃下载图像，然后我的代码捕获了块并显示了这样的错误

远程主机强行关闭了现有连接。

当我单击下载按钮时，我就直接进入了catch部分，并且在response = (HttpWebResponse)request.GetResponse();函数中收到了此错误

protected void ImageDownloadClick_OnClick(object sender,EventArgs e)

    {

    string stoneid = HdnStoneID.Value;
        MemoryStream MemoryStream = new MemoryStream();
        int readBytes = 0;
        byte[] buffer = new byte[4096];
        string tempFileName = "ABCD-" + 025-A-11-1+ ".jpg";
        HttpWebRequest request = null;
        HttpWebResponse response = null;

        //request = (HttpWebRequest)HttpWebRequest.Create("https://15R-75490.jpg");
        request = (HttpWebRequest)HttpWebRequest.Create("https://025-A-11-1/still.jpg");
        request.Timeout = 8000;  //8000 Not work 
        response = (HttpWebResponse)request.GetResponse();
        try
            {
               
                Stream responseStream = response.GetResponseStream();


                do
                {
                    readBytes = responseStream.Read(buffer,buffer.Length);
                    MemoryStream.Write(buffer,readBytes);
                } while (readBytes > 0);
                Response.Clear();
                response.addheader("content-disposition","attachment;filename=" + tempFileName);
                Response.ContentType = "image/jpeg";


                Response.BinaryWrite(MemoryStream.GetBuffer());
                Response.Flush();
            }
            catch (Exception Ex)
            {
            Stream responseStream = response.GetResponseStream();


            do
            {
                readBytes = responseStream.Read(buffer,buffer.Length);
                MemoryStream.Write(buffer,readBytes);
            } while (readBytes > 0);
            ScriptManager.RegisterClientScriptBlock(this.Page,this.GetType(),"imageNotAvail","javascript:imageNotAvail();",true);
            Response.Clear();
            response.addheader("content-disposition","attachment;filename=" + tempFileName);
            Response.ContentType = "image/jpeg";


            Response.BinaryWrite(MemoryStream.GetBuffer());
            Response.Flush();
        }
    }

解决方法

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