title: How to insert text into popup window using selenium WebDriver
body: <p>I am trying to automate a web page using selenium WebDriver. I can move towards the webpages and can able to do all tasks on parent pages. But at one place I am getting a POPUP window which asks username and password. I am unable to identify the username and password text box id's, how can I find the element (TextBox) and send the username and password through selenium webDriver code.</p>