title: Filling a HTML form with C#
body: <p>I need help with connecting to a certain website via my username &amp; password.</p>
  
  <p>With WebClient I can fill the username field and the password field, but how do I invoke the click method of the button?</p>
  
  <p>And How can I fill a specific textBox that doesn't have an ID?</p>
  
  <p>I tried doing this with webBrowser, but every time I navigate I have to use a new function every time, which makes the work much harder.</p>
  
  <p>Thanks.</p>