Simple Logic Palindrome in VB.Net.(Accept a string from user & check String is Palindrome Or not without use inbuilt Reverse Function)

PROPERTIES:

Button1
Text	Palindrom

CODEING:

Public Class Form1
    Dim s As String
    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        For Each c As Char In TextBox1.Text
            s = c & s
        Next c
        If s = TextBox1.Text Then
            MsgBox(s & " is Palindrom")
        Else
            MsgBox(s & " is not Palindrom")
        End If
        s = ""
    End Sub
End Class

DESIGNING: