Machine Problem
Write a program that will ask the user to gived three numbers, and compute the sum of that numbers.
Use the following formula below.
total_sum = (variable_one + variable_two +variable_three)
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Program Listing
' Addition of Three Numbers Using VB.NET
' Prof. Jake Rodriguez Pomperada, MAED-IT, MIT
' www.jakerpomperada.com and www.jakerpomperada.blogspot.com
' jakerpomperada@gmail.com
' Bacolod City, Negros Occidental Philippines
' May 16, 2021 Sunday 11:23 AM
Public Class Form1
' Button Compute
Private Sub btnCompute_Click(sender As Object, e As EventArgs) Handles btnCompute.Click
Dim sum As Integer
Dim a, b, c As String
sum = 0
a = txtValue1.Text
b = txtValue2.Text
c = txtValue3.Text
If a = "" Or IsNumeric(a) = False Then
MessageBox.Show("Please enter a numeric value.")
txtValue1.Focus()
ElseIf b = "" Or IsNumeric(b) = False Then
MessageBox.Show("Please enter a numeric value.")
txtValue2.Focus()
ElseIf c = "" Or IsNumeric(c) = False Then
MessageBox.Show("Please enter a numeric value.")
txtValue3.Focus()
Else
sum = Val(a) + Val(b) + Val(c)
MessageBox.Show("The sum of " & a & "," & b & ", and " & c & " is " & sum & ".", "The Result")
End If
End Sub
'Button Quit
Private Sub btnQuit_Click(sender As Object, e As EventArgs) Handles btnQuit.Click
Dim result = MessageBox.Show(" Are you sure you want to quit the program?", "Confirmation", MessageBoxButtons.YesNo, MessageBoxIcon.Question)
If result = DialogResult.Yes Then
Me.Close()
Else
Me.Show()
txtValue1.Text = ""
txtValue2.Text = ""
txtValue3.Text = ""
txtValue1.Focus()
End If
End Sub
'Button Clear
Private Sub btnClear_Click(sender As Object, e As EventArgs) Handles btnClear.Click
txtValue1.Text = ""
txtValue2.Text = ""
txtValue3.Text = ""
txtValue1.Focus()
End Sub
End Class
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