E. Before we can proceed to the course query operation, first we need to confirm that the selected courseid is not a null value. A null value would be returned if the user did not select any course _ id from the CourseList box but just clicked on the Select button to try to find […]
Build Code for the CourseListValueChanged() Method to Get Course Details – Develop Java Web Services to Access Databases
9.15.4 Build Code for the CourseListValueChanged() Method to Get Course Details The function of this method is that when users click a course _ id from the Course ID List box, the detailed course information, including the course title, credit, classroom, schedule and enrollment for the selected course _ id, will be retrieved and displayed […]