hi all,
     i'm  new  to asp. i am trying to validate some fields  in my access asp. 
 i do i do that. i have written some code but each time i run it nothing 
happen. can someone please have a look at my code and tell me what i am doing 
wrong

here is my code
thank all 
leslie

'check for required fields
<%
if objconn = server.CreateObject("ADODB.Connection")
objConn. open "DSN="padda"
if objconn.Errors.count > 0 Then
set objError = server.CreateObject("ADODB.Error")
Dim blnCriticalError
newusername = TRIM( Request( "newusername" ) )
newpassword = TRIM( Request( "newpassword" ) )
email = TRIM( Request( "email" ) )
street = TRIM( Request( "street" ) ) 
city = TRIM( Request( "city" ) )
county = TRIM( Request( "county" ) )
postcode = TRIM( Request( "postcode" ) )
IF newUser <> " " THEN
IF newusername =  " " THEN
  Response.Write " you did not enter your name!"
  END IF
IF newpassword =  " " THEN
  Response.Write " you did not enter your password!"
  END IF
IF email =  " " THEN
  Response.write " you did not enter your email!"
  END IF
IF street =  " " THEN
  Response.Write " you did not enter your street!"
  END IF
IF city =  " " THEN
  Response.Write " you did not enter your city!"
  END IF
IF postcode =  " " THEN
  Response.Write " you did not enter your postcode!"
  END IF
  IF usernameTaken( newUsername ) THEN
    Response.Write " The username you entered has already " &_
     "been chosen by a previous user. Please select " &_
     "a new username"
     END IF
%>