title: Dim Numbers as integer from a Textbox
body: <p>how should i do this to work in a textbox?
   Dim Numbers() As Integer = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20}</p>
  
  <p>Not worked:  <code>Dim Numbers() As Integer = Textbox1.Text</code></p>