vb.net - How to make get request like this -

here code , ses single line

directcast(webrequest.create("http://example.com/xxx.htm"), httpwebrequest) 

is there way add http://example.com , add request line of code sub page /subpage rather adding full url address

something postreq.method = "get /page"

dim postdata string = ""         dim tempcookies new cookiecontainer         dim encoding new utf8encoding         dim bytedata byte() = encoding.getbytes(postdata)         dim postreq httpwebrequest = directcast(webrequest.create("http://example.com/xxx.htm"), httpwebrequest)         postreq.method = "get"         postreq.keepalive = true         postreq.accept = "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"         postreq.headers.add("accept-language:en-us,en;q=0.8,en-us;q=0.5,en;q=0.3")         postreq.headers.add("accept-encoding:gzip,deflate")         postreq.headers.add("accept-charset:windows-1251,utf-8;q=0.7,*;q=0.7")         postreq.headers.add("keep-alive:115")         postreq.useragent = textbox2.text         'postreq.proxy = new webproxy(listbox1.text, true)         postreq.contentlength = bytedata.length         '  dim postreqstream stream = postreq.getrequeststream()         ' postreqstream.write(bytedata, 0, bytedata.length)         on error resume next         ' postreqstream.close()         dim postresponse httpwebresponse         postresponse = directcast(postreq.getresponse(), httpwebresponse)         tempcookies.add(postresponse.cookies)         'logincookie = tempcookies         dim postreqreader new streamreader(postresponse.getresponsestream())         dim thepage string = postreqreader.readtoend          textbox1.text = textbox1.text & thepage