title: how to pass C# form textbox value to textbox in Reportviewer
body: <p>Im using VS 2010. I have a form with a textbox and reportviewer on it.</p>
  
  <p>In my form textbox client inserts a value name Invoicenumber then when user press button the reportviewer must generate and in reportviewer textbox i want invoice number to display.</p>
  
  <p>I created a parameter for invoicenumber:
  Parameter!invoicenumber and called it in my reportviewer expression.
  What am i missing </p>