Leap Year Checker in Visual Basic NET

A simple program that I wrote using Visual Basic NET that will ask the user a year and then the program will check if the given year is a leap year or not a leap year.

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Sample Program Listing

Program Listing

Public Class Form1

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

        If MsgBox("Are you sure you want to quit?", MsgBoxStyle.YesNo Or MsgBoxStyle.DefaultButton2, "Close application") = Windows.Forms.DialogResult.Yes Then

            Me.Close()

        End If

    End Sub

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

        Dim bLeapYear As Boolean

        Dim display_year As Integer

        Dim results As String

        If String.IsNullOrEmpty(TextBox1.Text) Then

            MessageBox.Show("Cannot be Empty")

            TextBox1.Focus()

        Else

            display_year = Val(TextBox1.Text)

            bLeapYear = Date.IsLeapYear(display_year)

            If (bLeapYear = True) Then

                results = "The given years " & display_year & " is a LEAP year."

            Else

                results = "The given years " & display_year & " is NOT a LEAP year."

            End If

            MessageBox.Show(results)

        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

Leap Year Checker in Visual Basic NET

Here is a simple program that I wrote in Visual Basic NET that will ask the user to give a year and then our program will check if the given year is a leap year or not a leap year. The code is very short and easy to understand. 

Add me at Facebook my address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com. 

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com. 

My mobile number here in the Philippines is 09173084360.

Sample Program Output

Program Listing

Public Class Form1

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

        Dim y As Integer

        y = Val(TextBox1.Text)

        If y Mod 100 = 0 Then

            If y Mod 400 = 0 Then

                Label2.Text = " The year " + y.ToString + " is a Leap Year."

            Else

                Label2.Text = " The year " + y.ToString + " is NOT a Leap Year."

            End If

        Else

            If y Mod 4 = 0 Then

                Label2.Text = " The year " + y.ToString + " is a Leap Year."

            Else

                Label2.Text = " The year " + y.ToString + " is NOT a Leap Year."

            End If

        End If

        

    End Sub

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

        End

    End Sub

End Class