Positive and Negative Number Checker in VB.NET

In this article I would like to share with you a program that will ask the user to give a number and then the program will check if the given number is a positive or negative number using Microsoft Visual Basic NET. Let us assume that zero belongs to positive number.

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Sample Program Output

Program Listing

Public Class Form1

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click

        End

    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

        Dim a As Integer

        a = Val(TextBox1.Text)

        If (a >= 0) Then

            MsgBox("The given number  " & a & " is a Positive Number.")

        Else

            MsgBox("The given number  " & a & " is a Negative Number.")

        End If

    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click

        TextBox1.Text = ""

        TextBox1.Focus()

    End Sub

End Class