Adding two numbers with Variables

Adding Two Numbers with Variables

Write a program that asks the user to enter in two numbers and then to add them and show the answer. You are required to draw the IPO as well as the user interface and write the code for this program,using variables to determine your answer.

IPO Framework

Input	Process	Output
Enter first number (num1)
Enter second number (num2)
	Add first number (num1) to the second number (num2)
		The sum of both numbers (answers)

User Interface

Public Class frmaddnums

    Private Sub btnAdd_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

        Dim num1, num2, sum As Integer

        num1 = Val(txtnum1.Text)

        num2 = Val(txtnum2.Text)

        sum = num1 + num2

        lblans.Text = sum

    End Sub

End Class