//[FUNCTION - MainToResultButton_Click]
 //Shows popup once a "Add Course" button is clicked
 private void AddCourseButton_Click(object sender, EventArgs e)
 {
     if (!popUpCreated)
     {
         CourseAddPopup = new AddCourseForm(this);
         CourseAddPopup.ShowDialog();
         popUpCreated = true;
     }
     else
     {
         CourseAddPopup.TryAddingCourse();
         CourseAddPopup.Show();
     }
 }
 //[FUNCTION - AddCourseButton_Click]
 //Shows popup once a "Add Course" button is clicked
 private void AddCourseButton_Click(object sender, EventArgs e)
 {
     if (!popUpCreated)
     {
         RefToCourseAddPopup = new AddCourseForm(this);
         RefToCourseAddPopup.ShowDialog();
         popUpCreated = true;
     }
     else
     {
         if (RefToCourseAddPopup.getFilteredCourses().Count() != 0)
         {
             RefToCourseAddPopup.TryAddingCourse();
         }
         RefToCourseAddPopup.Show();
     }
 }