public void EditWorkout(IEditWorkoutView form, Workout workout, IWorkoutRepository workoutRepository, IExerciseRepository exerciseRepository)
        {
            if (form.ConfirmEditWorkout(workout) == true)
            {
                try
                {
                    string workoutName = form.WorkoutName;
                    int    setsPerExercise;

                    try
                    {
                        setsPerExercise = form.SetsPerExercise;
                        if (setsPerExercise < 1)
                        {
                            throw new Exception();
                        }
                    }
                    catch (Exception)
                    {
                        MessageBox.Show("Please input valid number of sets per exercise.");
                        return;
                    }

                    if (String.IsNullOrEmpty(workoutName))
                    {
                        MessageBox.Show("Please input your workout name.");
                        return;
                    }
                    List <string>   exerciseNames = form.ExerciseNames;
                    List <Exercise> exercises     = new List <Exercise>();

                    foreach (var exerciseName in exerciseNames)
                    {
                        var exercise = exerciseRepository.GetExerciseByName(exerciseName);
                        exercises.Add(exercise);
                    }
                    workout.WorkoutName     = workoutName;
                    workout.Exercises       = exercises;
                    workout.SetsPerExercise = setsPerExercise;
                    workoutRepository.EditWorkout(workout);
                }
                catch (Exception ex)
                {
                    MessageBox.Show("EXCEPTION: " + ex.Message);
                    throw;
                }
            }
        }