Jquey Ajax訪問asp.net後台代碼

            $.ajax({
                type: "POST",   //訪問WebService使用Post方式請求
                contentType: "application/json",
                url: "UpdateNews.aspx/InsertLocalImages",
                data: "{dirName:'" + UploadPath + "',ImagePath:'" + imgpath + "',ImageName:'" + imgname + "',filetitle:'" + title + "',filedate:'" + date + "',fileexp:'" + exp + "',filekeyw:'" + keyw + "',iscovr:'" + iscovr + "'}",
                dataType: 'json',
                success: function(result) {//回呼函數，result，傳回值
                    if (result.d != "") {
                        //在游標處插入圖片
                        InsertImage(result.d, id);
                        Dialog.alert("本地圖片入庫成功", function() { Dialog.close(); });
                    }
                    else {
                        Dialog.alert("本地圖片入庫失敗");
                    }
                },
                error: function() {
                    Dialog.alert("本地圖片入庫失敗");
                },
                beforeSend: function() {
                    UploadLocalLoading.style.display = "block"; //顯示提示資訊;
                },
                complete: function() {
                    UploadLocalLoading.style.display = "none"; //影藏提示資訊;
                }
            });

//後台代碼

        [WebMethod]
        public static string InsertLocalImages(string dirName, string ImagePath, string ImageName, string filetitle, string filedate, string fileexp, string filekeyw, string iscovr)
        {
            string LocalImagePath = ImagePath;//本地圖片路徑
            string ImageUrlPath = "";//返回圖片的URL路徑
            //上傳圖片
            if (LocalImagePath != "")
            {
                ImageUrlPath = Upload(dirName, LocalImagePath, ImageName, filetitle, filedate, fileexp, filekeyw, iscovr == "true" ? true : false);
            }
            return ImageUrlPath;
        }