Include buttons: Add, Delete, Edit, after pressing one of the buttons Add, Delete, Edit, then OK and Cancel button two will appear asking the user agrees to complete or cancel the operation. - Button Add: add new students into the database. • If the data is not complete, the error appears click Add • If you have filled in all the information, when you press the 2 button Add Accept and Cancel will light . Choose Cancel to cancel the operation Select Agree if not properly specified age (the age stipulated between 15 and 20), the error message to the user to re-enter. If found not guilty, the student will proceed further down the database. - Delete button: delete student information from the database • If the student has been placed in layers then click OK to clear the error tone . • If the student is not a placement, then click OK to remove it from the student information database .. - Button Edit: updated student information. • If the information the names and addresses will not notice errors, if not empty, the Cancel button and light Agree, Agree pressing down will save the database, click Cancel to cancel the operation. • If the wrong date of birth information provisions, while press the Edit button and OK and Edit morning, after selecting OK, it will error. 4. Interface management courses classes menu Click on a class and course management, interface buttons appear include: Add, Delete, Edit in two areas on the list. - List of the left, including class information such as the class code, class name, enrollment. - the list must include the information of subjects such as professional codes, names of subjects, technical coefficients. - Schools need to enter information including: • the name blocks, name classes, courses. • code subjects, subject name.
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