title: Initialize the value of a textbox when form loads
body: <p>I would like to put a string value in my <code>frmCredentials.txtUsername</code> text box when the form first loads.</p>
  
  <p>Here is the code where the form is first called:</p>
  
  <pre><code>Application.EnableVisualStyles();
  Application.SetCompatibleTextRenderingDefault(false);
  Application.Run(new frmCredentials());
  </code></pre>