Write program to compute summation of four grades

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Reference no: EM1389393

a. when user press, the program computes summation of four grades (Grade1+Grade2+Grade3+Grade4) and print the result in the picture box (picSum)

b. when user press, program computes average of four grades by computing summation firstly, and then divide the summation by 4

(Grade1+Grade2+Grade3+Grade4)/4

At last, results have to be printed in the picture box (picAvg)

c. if user forget to enter value of one or more grade, or if user entered non-numaric value like "a", the program must consider these unexpected values as zeros

for example: if user enter the values

Grade1=8

Grade2=9

Grad3= "" (nothing: forget to enter a value)

Grade4="Ab"

Summation should be 8+9+0 (instead of "") + 0 (Instead of "AB") =17

4. if user press button, program should erase any value in four Text Boxes ( txtGrade1 , txtGrade2, txtGrade3, txtGrade4), and two picture boxes: picSum, and picAvg.

Reference no: EM1389393

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