public Task <string> AddStudentCI(StudentCI addingStudent) { return(Task.Run(() => { try { List <StudentCI> listofstudent = new List <StudentCI>(); if (RefreshStudentCI().Result != null) { listofstudent = RefreshStudentCI().Result.ToList(); } listofstudent.Add(addingStudent); String json = JsonConvert.SerializeObject(listofstudent); File.WriteAllText(default_path + target_path + @"\tudentCI.txt", string.Empty); File.WriteAllText(default_path + target_path + @"\tudentCI.txt", json); //Task<string> result = new Task<string>("success"); //string result = "success"; return "success"; } catch (Exception ex) { MessageBox.Show("can't interpret some values .\n\n" + ex.Message + "\n\n Please check ", "Error", MessageBoxButton.OK, MessageBoxImage.Error); return ex.Message; } })); }
public Task <string> AddStudentCI(StudentCI addingStudent) { throw new NotImplementedException(); }