In this tutorials will teach you how to add two number using OOP concepts. This is an important for developing a c# projects. there are many students who struggling with this area. so that I bring this article for all to clear the doubts.
First You have to Design the Form
After that you have to create the class Cal.cs
1 2 3 4 5 6 7 8 9 | class Cal { public int num1, num2,tot; public int Add() { tot = num1 + num2; return tot; } } |
Paste the Code inside the Add Button
1 2 3 4 5 | Cal c = new Cal(); c.num1 = int.Parse(txtNum1.Text); c.num2 = int.Parse(txtNum2.Text); label3.Text = c.Add().ToString(); |
