Question handling multiple requests from ajax

[BlackByte]

hi im building a library web application, there is several member info that is requested throughout the application, and i want to have all the requests handled by 1 page.
E.g if i use the page member.aspx i want it to determine what type of request is being sent by ajax, whether its for the members name or books that are outstanding.

My idea was to write the ajax like

request.open("GET","member.aspx?type=membername&memberid=12345",false)

so in member.aspx load event i will then use

 If Request.QueryString("type") = "membername" Then
    'i know the request     is for the members      name
End If

now i dont know if this the correct way to do this, can i be advised..