این موارد جزو اصول کار ASP نویسی می باشد.
در مورد get و post :
The Request.QueryString command collects the values in a form as text.
Information sent from a form with the GET method is visible to everybody (in the address field). Remember that the GET method limits the amount of information to send.
The URL wold be like http://www.domain.com/simpleform.asp?fname=xxxxxx
To collect the values in a form with the POST method, use the Request.Form command.
Information sent from a form with the POST method is invisible to others. The POST method has no limits, you can send a large amount of information.
The URL wold be like http://www.domain.com/simpleform.asp
و اطلاعات بیشتر:
http://www.asp101.com/samples/getpost.asp