Creating a Members Area in ASP

The register.asp Code

register.asp

<%
Option Explicit
Dim strError, strSQL
'see if the form has been submitted
If Request.Form("action")="register" Then
   'the form has been submitted

   '// validate the form

   'check if a username has been entered
   If Request.Form("username") = "" Then _
       strError = strError & "- Please enter a username<br>" & vbNewLine

   'check if a password has been entered
   If Request.Form("password") = "" Then _
       strError = strError & "- Please enter a password<br>" & vbNewLine 

   'check if the passwords are the same... but don't display it if the password field is blank.
   If Request.Form("password") <> Request.Form("password_confirm") _
       And Request.Form("password") <> "" Then _
           strError = strError & "- Your passwords do not match<br>" & vbNewLine
   '// check if an error has occured
   If strError = "" Then
      'continue
      'include database connection code
      %>
      <!--#include file="inc-dbconnection.asp"-->
      <%
      On Error Resume Next

      '// create the SQL
      strSQL = "INSERT INTO members ([username],[password]) VALUES " & _
         "('" & fixQuotes(Request.Form("username")) & "','" & _
         fixQuotes(Request.Form("password")) & "')"
      '// run the SQL
      objConn.Execute strSQL
      '// check for an error
      '// ATTENTION: this should be changed depending on the database provider
      If Err.Number = -2147467259 Then
          strError = "- That username is already in use. Please choose another<br>" & vbNewLine
      ElseIf Err.Number <> 0 Then
          strError = "- An error occured. " & Err.Number & " : " & _
              Err.Description & "<br>" & vbNewLine 
      Else
          'record created... redirect
          Response.Redirect "login.asp?msg=" & Server.URLEncode("Thank you for registering")
          Response.End
      End If

      'restore standard error handling
      On Error Goto 0 

   End If
   If strError <> "" Then
      'output the error message
      'add extra HTML...
      strError = "<p><font color=""#FF0000"">The following errors occured:" & _
         "</font><br>" & vbNewLine & strError
   End If
End If

Function fixQuotes(strData)
  fixQuotes = Replace(strData,"'","''")
End Function
%> 
<html>
<head> 
<title>My Website's Registration Page</title>
</head> 
<body>
<h1>Member Registration</h1>
<p>Please fill out the following form to register as a member, and
 gain access to our members area.</p>
<%=strError%>
<form action="register.asp" method="POST">
<input type="hidden" name="action" value="register">
<table border="0">
<tr>
  <td><b>Username</b></td>
  <td><input type="text" maxlength=20 name="username"
 value="<%=Server.HTMLEncode(Request.Form("username"))%>"></td>
</tr>
<tr>
  <td><b>Password</b></td>
  <td><input type="password" maxlength=20 name="password"
 value="<%=Server.HTMLEncode(Request.Form("password"))%>"></td>
</tr>
<tr>
  <td><b>Password Confirm</b></td>
  <td><input type="password" maxlength=20 name="password_confirm"
 value="<%=Server.HTMLEncode(Request.Form("password_confirm"))%>"></td>
</tr>
<tr>
  <td> </td>
  <td><input type="submit" value="Complete Registration"></td>
</tr>
</table>
</form> 
</body>
</html>

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James Crowley

James Crowley United Kingdom

James first started this website when learning Visual Basic back in 1999 whilst studying his GCSEs. The site grew steadily over the years while being run as a hobby - to a regular monthly audien...

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