title: SystemStackOverflowException When I try to calculate the precentage of field
body: <p>I'm trying to calculate the percentage on the textbox by using the next code:</p>
  
  <pre><code>t45.Text = (CDbl(Me.t43.Text) / CDbl(Me.t48.Text))
  </code></pre>
  
  <p>but I faced the next message:
  System.StackOverflowException</p>
  
  <p>what the problem???!</p>
  
  <p>I tried to find what happened but I didn't find.</p>