How to use VB to make a score ranking applet, anxious!!

Is there any raw data? What is the interface like? Where does the grade data come from?

That is, what about the data source? Is it input one by one?

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Basic requirements n Utilize menus and basic controls to complete the design. n The finished program interface should be beautiful and able to complete the whole process of management. n Read student grades in a text file that already exists and save them.

n text box displays the student's grade. n Sort of individual subject grades: Sort by student number, sort by grade, and display.

n Calculate the highest score in each subject, and display the information of the student with the highest score, and display. n Calculate the student's overall grade and display it. n Ranked by overall score and displayed.

3.Innovation requirementsAfter the basic requirements are met, the innovation design is carried out, and the innovation direction is prompted as follows: the results of a single student are queried.

3. Design Methods and Rationale The program only needs a window, and the schematic diagram of the design status of the program interface: 1) By clicking the menu "Grade Entry", read the students' grades that already exist in the text file as the admission number, name, and results of five courses in English, mathematics, computer, history, and physical education, save them in an array, and display them in the text box. 2) Click "Single Subject Display", "Student Number Sorting" After "Grade Sorting", a drop-down list box appears on the right side, select the subject from it, and display the result in the text box3) Click "Single Subject Display", after "Highest Score in Each Subject", the text box displays the student number name of the student with the highest score in each subject and the student with the highest score.

4) Click "Exam Score", "Total Score" to calculate the total score of each person and display the final result. 5) Click "Total Score" > "Overall Ranking" to sort by total score in descending order. 2.

The solution to the problem is to design the program interface because it uses all the basic controls, and there is no difficulty in the interface design. Writing**According to the problem description, the problem can be solved into parts: (1) The student grades are stored in the text file, and the grades should be read in first, and the grades, student numbers and names of each subject should be stored in the array.

Refer to Chapter 7 (2) of the textbook to display the results of individual subjects, select the courses to be displayed through the list box, and sort them by student number. Sort by grade: When you select a specified course sort, the student number and name are exchanged at the same time. The maximum score for each course is calculated, recorded and displayed in the text box.

3) Calculate the total score of each student and store it in an array, and then sort the ranking method in descending order. 4. Description of the main technical problems: 1) Sort by grade, when selecting the specified course sort, the student number and name should be exchanged at the same time, 2) The array used to store the student's student number, name and five courses should be declared as module level. Once the contents of the file are present in the array, the contents can be displayed line by line, by assigning the text property of the text box to the text of the text box via a string connector.

To control the text box Chinese text wrapping, you can use vb's system constant vbcrlf to do so.

There are 3 forms available for this question.

2. In the first form, establish an input interface, create a "d: score" text file in an additional way, record a student's test score in each line, and the data arrangement form is: student number, name, English score, mathematics score, computer score.

In the second subform, open the "d: score" text file in read-only mode, read out the data in it, write the data to another text file "d: scorecount" created in overlay mode after calculation, and concatenate the data as a string and display it in the list box.

This program requires the use of ADO or Excel automation objects.

ADO's operation of excel sheets is as easy as that of ordinary databases.

I don't want to write ......