The method scrollto(string) is undefined for the type webdriver
<p><a href="http://i.stack.imgur.com/Gmqkg.png" rel="nofollow">I am unable to use scroll to method, I am getting red mark over that methiod. Please help me how to resolve this</a><a href="http://i.stack.imgur.com/Gmqkg.png" rel="nofollow">enter image description here</a></p>