Travel on one website through .net coding

Question

i want to travel on one website through .net coding.
i.e i have one web project and it contains one web form.
i have one website. in that web site contains search field box. thorugh coding i have to give value for that search filed and trigger the go button.
for example if i want to search the topic "TriggerButton" on google means i have to manually open that site and write TriggerButton in the search field box and click the google search button.
is it possible to do it through .net coding. (give value to that search field box and trgger the click event.