html file 文件批量上传 以及碰到的一些问题提

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//javascript 代码   <br> $("#submite").click(function (evt) {             var arrayTr = $("#datatables").find("tbody").find("tr");         $(arrayTr).each(function (index, value) {             var data = new FormData();             $(value).find("input[type='file']").each(function (i, file) {                 if (file.files[0] != undefined) {                     data.append(file.files[0].name + i, file.files[0]);                 }             });               data.append("modelKey", JSON.stringify(datas.data[index]))               //apis.certificate.httpRequestPost(apis.certificate.UploadCertificate, data, function () { alert("success") });                 $.ajax({                 url: apis.certificate.UploadCertificate,                 type: "POST",                 data: data,                contentType: false,                 processData: false,                 success: function (result) { alert(result); },                 error: function (err) {                     alert(err.statusText)                 }             });             });         });

　　提示无法打开关闭的文件流时候 配置 

<compilation debug="true" targetFramework="4.5" />
<httpRuntime maxRequestLength="1048576" targetFramework="4.5" requestLengthDiskThreshold="1048576" useFullyQualifiedRedirectUrl="true" executionTimeout="3600" />
</system.web>

后台代码   string json =HttpContext.Current.Request.Form["modelKey"];

            modeldo m = Newtonsoft.Json.JsonConvert.DeserializeObject<modeldo>(json);
            HttpFileCollection _file = System.Web.HttpContext.Current.Request.Files;
            Tuple<modeldo, HttpFileCollection> model = new Tuple<modeldo, HttpFileCollection>(m, _file);
            ThreadPool.QueueUserWorkItem(threadDo, model); //这里用异步多线程可能会存在问题 导致后续文件无法完全上传   可以直接调用

           
            



        }

        public void threadDo(object o)
        {
            HttpFileCollection _file = (HttpFileCollection)(((Tuple<modeldo, HttpFileCollection>)o).Item2);
            modeldo m = (modeldo)((Tuple<modeldo, HttpFileCollection>)o).Item1;
            for (int i = 0; i < _file.Count; i++)
            {

                int CatagoryId = Convert.ToInt32(_file.AllKeys[i].Substring(_file.AllKeys[i].Length - 1));
                switch (CatagoryId)
                {
                    case 0:
                        m.CurrentCertificatePutAddress = UploadFile(_file[i]);
                        m.CurrentCertificatePutAddressName = _file[i].FileName;
                        break;

                    case 1:
                        m.CurrentCostSettleRule = UploadFile(_file[i]);
                        m.CurrentCostSettleRuleName = _file[i].FileName;
                        break;
                    case 2:
                        m.CurrentCostSettleCertificate = UploadFile(_file[i]);
                        m.CurrentCostSettleCertificateName = _file[i].FileName;
                        break;
                    case 3:
                        m.CurrentContract = UploadFile(_file[i]);
                        m.CurrentContractName = _file[i].FileName;
                        break;

                }
            }
            ConsumptionCertificatedetail certificateModel = new ConsumptionCertificatedetail();
            certificateModel.CertificateNumber = m.CertificateNumber;//2017-06-01 - 2017-06-30
            certificateModel.CurrentCertificateStart = m.CurrentCertificateSection.Split('~')[0];
            certificateModel.CurrentCertificateEnd = m.CurrentCertificateSection.Split('~')[1];
          
            
            certificateModel.CurrentContract = m.CurrentContract;
            certificateModel.CurrentContractName = m.CurrentContractName;

            certificateModel.CurrentCertificatePutTxt = m.CurrentCertificatePutTxt;
            certificateModel.CurrentCertificatePutAddressName = m.CurrentCertificatePutAddressName;
            certificateModel.CurrentCertificatePutAddress = m.CurrentCertificatePutAddress;
            
            certificateModel.CurrentCostSettleCertificate = m.CurrentCostSettleCertificate;
            certificateModel.CurrentCostSettleCertificateName = m.CurrentCostSettleCertificateName;
            certificateModel.CurrentCostSettleCertificateTxt = m.CurrentCostSettleCertificateTxt;

            certificateModel.CurrentCostSettleRule = m.CurrentCostSettleRule;
            certificateModel.CurrentCostSettleRuleName = m.CurrentCostSettleRuleName;
            certificateModel.CurrentCostSettleRuleTxt = m.CurrentCostSettleRuleTxt;

            certificateModel.CurrentPutUrl = m.CurrentPutUrl;


            bus.AddcertificateDetail(certificateModel);
             
            //long size = _file[0].ContentLength;
            ////文件类型  
            //string type = _file[0].ContentType;
            ////文件名  
            //string name = _file[0].FileName;
            ////文件格式  
            //string _tp = System.IO.Path.GetExtension(name);

        }
        public string UploadFile(HttpPostedFile Files)
        {


            int FileLenth = Files.ContentLength;
            byte[] buffur = new byte[FileLenth];
            using (BinaryReader br = new BinaryReader(Files.InputStream, Encoding.UTF8))
            {

                buffur = br.ReadBytes(FileLenth);
              
                br.Close();
                br.Dispose();
            }

            DFSClient client = new DFSClient();
           string url= client.UploadFile(buffur, System.IO.Path.GetExtension(Files.FileName).Substring(1, System.IO.Path.GetExtension(Files.FileName).Length-1));
           return url;
        }

    }
    public class modeldo : ConsumptionCertificatedetail
    {
   
        public string CurrentCertificateSection { get; set; }
     
    }
}