ASP — Server Objects

Response Object

<%
Response.Write("Hello")
Response.Buffer = True
Response.Clear
Response.End
Response.Redirect("page.asp")
Response.AddHeader "X-Custom", "value"
Response.ContentType = "text/html"
%>

Request Object

<%
' Form data
Request.Form("username")

' Query string
Request.QueryString("id")

' Server variables
Request.ServerVariables("REMOTE_ADDR")

' All form data
Request.TotalBytes
%>

Session Object

<%
Session("user") = "John"
Response.Write(Session("user"))
Session.Timeout = 30
Session.Abandon
%>

Application Object

<%
Application("counter") = 0
Response.Write(Application("counter"))
Application.Lock
Application("counter") = Application("counter") + 1
Application.Unlock
%>

Server Object

<%
' Execute another page
Server.Execute("other.asp")

' Transfer to another page
Server.Transfer("other.asp")

' Map path
Server.MapPath("/images")

' URL encode
Response.Write(Server.URLEncode("Hello World"))

' Create object
Set obj = Server.CreateObject("Scripting.FileSystemObject")
%>

Object Methods

Object	Purpose
Response	Send data to client
Request	Get data from client
Session	Per-user data
Application	All users data
Server	Server utilities

Mini Practice

1. Use Response.Write
2. Get form data
3. Use Session
4. Use Server.MapPath

Up Next

Continue with Request Object — request object details.