Student Grade Calculation using C#.net

This tutorial will teach how to make a  Student Grade Calculation in C#.net. Input the studentname and avg marks to calcuate the grade.

if the average is > 75 – A

if the average is > 65 – B

if the average is > 55 – C

if the average is > 45 – S

if the average is < 45 – F

Paste the inside the Calc Button

double maths, science, english, tot, avg;
string grade;

maths = double.Parse(txtMaths.Text);
science = double.Parse(txtSci.Text);
english = double.Parse(txtEng.Text);

tot = maths + science + english;

txtTot.Text = tot.ToString();

avg = tot / 3;

txtAvg.Text = avg.ToString();

 

if(avg >= 75)
{
grade = "A";
}
else if (avg >= 65)
{
grade = "B";
}
else if (avg >= 55)
{
grade = "C";
}
else if (avg >= 45)
{
grade = "S";
}
else
{
grade = "F";
}

txtGrade.Text = grade;

I have attached the video tutorial below it will help you  to do this  step by step.