Public Class Form1 Private Sub btnHeight_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnHeight.Click Dim intFeet As Integer Dim strInches As String Dim intInches As Integer strInches = "24" 'to avoid null reference intInches = Convert.ToInt32(strInches) intFeet = intInches / 12 lblFeet.Text = intFeet.ToString("F") End Sub End Class