I Want to Enter to another site with my program(asp.net/C#).[*]HOW can i crawl the site and find username & password text boxes and fill them with needed data.[*]then HOW can i press/Fire the login button?NOTE : I crawl the site with HtmlAgilityPack before..is there any way to use this dll or any other dlls?for exampleusername is : userpassword is : passcodeand the login button id is : Presshow can i do this?