Showing posts with label two numbers additions in vb.net. Show all posts
Showing posts with label two numbers additions in vb.net. Show all posts

Sunday, April 10, 2016

Addition of Two Numbers in Visual Basic.NET

A simple program that I wrote using Visual Basic.NET to add the sum of two numbers. I'm just learning Visual Basic.NET primarily because my experience before in programming in using Visual Basic 6 it is a good learning experience on my part.


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Sample Program Output




Program Listing


Public Class Form1

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        Dim sum As Integer
        Dim a As Integer
        Dim b As Integer

        Label4.Visible = True

        If TextBox1.Text = "" Then
            Label4.Visible = False
            MessageBox.Show("Sorry cannot be empty.")
            TextBox1.Focus()
        End If

        a = Val(TextBox1.Text)
        b = Val(TextBox2.Text)
        sum = (a + b)

        Label4.Text = "The sum of " & a & " and " & b & " is " & sum & "."

    End Sub

    Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        Label4.Visible = False


    End Sub

    Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
        TextBox1.Text = ""
        TextBox2.Text = ""
        Label4.Text = ""

        TextBox1.Focus()
    End Sub
End Class