public Task <string> AddStudentStep1(StudentStep1 addingStudent) { return(Task.Run(() => { try { List <StudentStep1> listofstudent = new List <StudentStep1>(); if (RefreshStudentStep1().Result != null) { listofstudent = RefreshStudentStep1().Result.ToList(); } listofstudent.Add(addingStudent); String json = JsonConvert.SerializeObject(listofstudent); File.WriteAllText(default_path + target_path + @"\tudentstep1.txt", string.Empty); File.WriteAllText(default_path + target_path + @"\tudentstep1.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> AddStudentStep1(StudentStep1 addingStudent) { throw new NotImplementedException(); }