Webmaster2020 home

Click Here!

 
Home / code / asp

Request object,

A request is a command to read data from the address bar, of from a form.

Request.QueryString
Reads the info that is send through GET. There is a limitation of 1024 bytes. With this method we can read info after the URL.
Request.Form
Reads the info that is send through POST.
Request.ServerVariables
parameters, typical for the server can be requested here.
Request.Cookies
they can be added to a variable.

With Request.Form and Request.QueryString you use the name of the fields to get the values.

Request.QueryString

With this command the data comes with the URL, after the name of the requested page.
The user can see this data, also those of hidden fields.
variable_everything=REQUEST.QUERYSTRING
variable_everything=REQUEST.QUERYSTRING("fieldname")

It is possible to add more values to 1 field. The data is then send like this: fieldname=value1,value2

You can check the number of values with the following command.
number=request.querystring("fieldname").count

Request.Form

Form is used when the data may not be shown in the address bar or the data is longer then 1024 bytes.

REQUEST.FORM("fieldname")
or mfieldname="fieldname")
REQUEST.FORM(mfieldname)

Example:

<% @language=vbscript %>
<HTML>
<HEAD><TITLE>Example (req_form.asp)</TITLE></HEAD>
<BODY>

<%
if request.form("name1")=" " or request.form("address1")=" " then
  response.write("<form method=post action=req_form.asp>")
  response.write("<table>")
  response.write("<tr><td>Name</td>")
  response.write("<td><input type text name=name1>")
  response.write("</td></tr><tr><td>Address</td>")
  response.write("<td><input type text name=address1>")
  response.write("</td></tr><tr><td>City</td>")
  response.write("<td><input type text name=city1>")
  response.write("</td></tr></table&tg;")
  response.write("<input typr=submit>")
  response.write("</form>")
else
  response.write("<h1>Your entry:</h1>")
  mname1=request.form("name1")
  maddress1=request.form("address1")
  mcity1=request.form("city1")
  response.write("name: "& mname1)
  response.write("<br>address: "& maddress1)
  response.write("<br>City: "& mcity1)
end if
%>

</BODY>
</HTML>

Request.ServerVariables

The server can get more information from your browser then just the request for a HTTP-page. IP-address, port, ... can also be requested.

The script below request all servervariables.

Example:

<% @language=vbscript %>
<HTML>
<HEAD><TITLE>Example server variables</TITLE></HEAD>
<BODY>

<%
sDim varitem
for each caritm in request.servervariables
  if request.servervariables(varitem)=" " then
	response.write("<tr><td>"& varitem)
	response.write("<td> ")
  else
	response.write("<tr><td>"& varitem)
	response.write("<td>"& request.servervariables(varitem) &"</tr>")
  end if
next
%>

</BODY>
</HTML>

If you only want the ip address:
Request.Servervariables("remote_waddr")

 

TOP

Latest script:

Books: