Javascript 在asp.net webapi中以排除格式在节目中上载图像

我已经写了上传档案图片的代码，但上传文件后，它会被排除在我上传的文件夹中。如何包括这一点，或者你有任何其他的解决方案来上传文件

     $("#btnUploadFile").click(function (evt) {
            alert('dfdfd');

            var imgup = 'img';
            var files = $("#fileUpload").get(0).files;
            if (files.length > 0) {
                var data = new FormData();
                for (i = 0; i < files.length; i++) {
                    data.append("file" + i, files[i]);

                }

                $.ajax({
                    type: "POST",
                    url: '/api/EmployeeMasterApi/UploadFile/'+'?imgup' + imgup,

                    contentType: false,

                    processData: false,
                    data: data,
                   // data: JSON.stringify(data),
                    success: function (messages) {
                        for (i = 0; i < messages.length; i++) {
                            alert('dddd');
                            alert(messages[i]);

                        }
                    },
                    error: function () {
                        alert("Error while invoking the Web API");
                    }
                });
            }
        });

---

这里工作很好。上传imgUpload文件夹中的图像后，将以排除格式显示。请帮助解决此问题

排除格式是什么意思？

       [HttpPost]
            public void UploadFile([FromUri] string[] imgup)
            {
                if (HttpContext.Current.Request.Files.AllKeys.Any())
                {
                    // Get the uploaded image from the Files collection
                    var httpPostedFile = HttpContext.Current.Request.Files["file0"];

                    if (httpPostedFile != null)
                    {
                        // Validate the uploaded image(optional)

                        // Get the complete file path
                        var fileSavePath = Path.Combine(HttpContext.Current.Server.MapPath("~/imgUpload"), httpPostedFile.FileName);

                        // Save the uploaded file to "UploadedFiles" folder
                        httpPostedFile.SaveAs(fileSavePath);
                    }
                }
            }