public void AddToCourse() { Course course = new Course { CourseCode = this.CourseCode, CourseName = this.CourseName, Faculty = this.Faculty, Sem = Semester, CreatedAt = DateTime.Now, Deleted = false, CreatedBy = 2, LastUpdated = DateTime.Now, IsActive = true, }; if (_services.Create(course) != null) { CourseCode = ""; CourseName = ""; Faculty = ""; Semester = ""; MessageBox.Show("Course Successfully Added ", "Action Successfull", MessageBoxButton.OK, MessageBoxImage.Information); OnPropertyChanged(nameof(CourseCode)); OnPropertyChanged(nameof(CourseName)); OnPropertyChanged(nameof(Faculty)); OnPropertyChanged(nameof(Semester)); } else { MessageBox.Show("Course Fail to add ", "Unsuccessfull", MessageBoxButton.OK, MessageBoxImage.Error); } }