ajaxfileupload 上传问题

Question

       function ajaxFileUpload()
       {
           $.ajaxFileUpload({
               url: '/Service/AjaxUpload.aspx',
               secureuri: false,
               fileElementId: 'Ajaxfile',
               dataType: 'json',
               success: function(data, status) {               },
               error: function(data, status, e) {
                   alert(e);
               }
           });
           return false;
       }
            if (!IsPostBack)
            {
                if (Request.Files.Count > 0)
                {
                    string result = string.Empty;                    HttpPostedFile file = Request.Files[0];                    string strFileName = Path.GetFileName(file.FileName);                    string strSavePath = Config.ObtainPath(strFileName, file.ContentLength, string.Format("/{0}/{1}", Server.MapPath("/"), "CodeZip"));                    file.SaveAs(strSavePath);                    result = "{ states:'true', strContent:'" + strSavePath + "'}";                    Response.Write(result);
                    Response.End();
                }
                else
                {
                    string result = "{ err:'none', msg:'none'}";
                    Response.Write(result);
                    Response.End();
                }
            }
Request.Files.Count总是0请问是什么问题

Answer 1

設置form表單  enctype="multipart/form-data"

Answer 2

使用input="file"
服务器控件是HttpInputFile类型