//implementation of the button that adds tasks public void AddTaskButton_Click(object sender, RoutedEventArgs e) { //binding gui fields to values string title, description; title = AddTitle.Text; description = AddDescription.Text; DateTime dueDate; // Check if correct dueDate was passed: try { dueDate = (DateTime)DueDateCalendar.SelectedDate; } catch (InvalidOperationException err) { MessageBox.Show("Check the due date!"); return; } //creating a task if fields are filled bool isTaskValid = ValidateTask(title, description, dueDate); if (isTaskValid) { //Buid a new Task TaskBuilder builder = new TaskBuilder(); builder.SetTaskTitle(title) .SetTaskDesc(description) .SetCreationDate() .SetDueDate(dueDate) .SetUserId(currentUser.Id) .SetStatus(TaskStatus.New.ToString()); Task newTask = builder.Build(); // Add it to the repo: taskRepo.Add(newTask); taskRepo.Save(); MessageBox.Show("Task created successfully!"); ReloadTaskList(); } }