using Newtonsoft.Json;JsonSerializer serialiser = new JsonSerializer();string newContent = string.Empty;                        using (StreamReader reader = new StreamReader(file.FullName))                        {                            string json = reader.ReadToEnd();                            dynamic jsonObj = JsonConvert.DeserializeObject(json);                            jsonObj["course/course"]["tabs"][0]["name"] = "Courseware";jsonObj["course/course"]["tabs"][0]["type"] = "courseware";                            jsonObj["course/course"]["tabs"][1]["name"] = "Course Info";                            jsonObj["course/course"]["tabs"][1]["type"] = "course_info";                            if (jsonObj["course/course"]["lti_passports"] != null)                            {                                for (int i = 0; i < jsonObj["course/course"]["lti_passports"].Count; i++)                                {                                    string value = http://www.mamicode.com/jsonObj["course/course"]["lti_passports"][i].ToString();                                    if (value.Contains("xtreme"))                                    {                                        jsonObj["course/course"]["lti_passports"][i] = "test:LeX:test";                                    }                                }                            }                            for(int i =0; i< jsonObj["course/course"]["advanced_modules"].Count; i++)                            {                                AdvancedModules.Add(jsonObj["course/course"]["advanced_modules"][i].ToString());                            }                            jsonObj["course/course"]["catalog_visibility"] = "none";                                                        newContent = JsonConvert.SerializeObject(jsonObj, Newtonsoft.Json.Formatting.Indented);