Identifying if a variable is number or not with IsNumeric

isNumeric function decides whether a variable is number or not. Example :

Public Class Form1
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim age As Integer
        age = 20
        Dim name As String
        name = "peter"

        If IsNumeric(age) Then ' checking for integer
            Console.WriteLine("Integer found")
        End If

        If IsNumeric(name) Then
            Console.WriteLine("Again integer found")
        End If

    End Sub
End Class