web application development with active server pages david henson dhenson@certifiednetworks.com
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Web Application Developmentwith
Active Server Pages
David Henson
dhenson@certifiednetworks.com
http://www.certifiednetworks.com
Introduction
Class Logistics
• 7 Meetings
• Class Hours – 6:30 to 9:30
• 2 Short Breaks Per Night
• Book: Alex Homer’s Professional ASP 3.0 Web Techniques – WROX Press
• Handouts
Classroom Setup
• NT4
• IIS
• SQL7
• MDAC 2.5
• Internet Explorer 5
Course Overview
• Definitions
• Module 1 – Overview
• Module 2 – Structure of ASP
• Module 3 – Browser/Server Communication
• Module 4 – Database Connectivity
• Module 5 – Updating Data
Course Overview, Contd.
• Module 6 – Advanced SQL7 Techniques for Dynamic Sites
• Module 7 – Security
• Module 8 – Email Communication
• Module 9 – Logging Visits
• Module 10 – Dealing with Browsers
Course Overview, Contd.
• Module 11 – OLE Automation
• Module 12 – XML
Definitions
• ASP
• IIS
• SQL
• HTML
• HTTP
• SSL
• Tags
• Browser
• IP Address
• ADO
• OLE/DB
• COM
• GUID
Module 1 – Overview
• Client Server Communication
• On the Back End
• On the Front End
• Software Configuration
• Networking
Client Server Communication
On the Back End
• Many Available Options:– UNIX/LINUX, NT
– Apache, IIS
– ASP, Perl, PHP, C++, VB
On the Front End
• Internet Explorer
• Netscape
• Others
• PDAs – Palm Pilot, Windows CE
• Cell Phones, Voice Mail Gateway
• Crawler, Spider, Other Automated Engines
Software Configuration
• Common Settings for IIS – Virtual Server
– Virtual Site with host headers
• Common Settings for NT/Windows 2000– Securing Data with NTFS
Networking
• Name Resolution– DNS, WINS, LMHOSTS
• Mapping Drives
• FTP
Module 2 – Structure of ASP
• HTML Tags
• ASP Tags
• Server Side Includes
• Intrinsic Objects– Request, Response, Server, Application, Session
• Demonstration – Structure of ASP
Common HTML Tags
• <TABLE></TABLE>
• <TR></TR>
• <TD></TD>
• <FORM></FORM>
• <META>
• <BODY></BODY>
• <BR>
• <P></P>
• <B>
• <FONT>
Common ASP Tags
• <SCRIPT RUNAT=“Server”> </SCRIPT>
• <% %>– <%=variable%>
Common VBScript Syntax
• Set
• If…then
• While
• String Manipulation-– Left(string, 4)
– Right(string, 4)
– Mid(string, 4, 2)
Server Side Includes
• <!--#Include file=“CheckVars.asp”-->
• <!--#Include virtual=“CheckVars.asp”-->
Intrinsic Objects
• Application
• Response
• Server
• Session
• Request
• ObjectContext
Demonstration – ASP Structure
Module 3 – Communicating Between Browser and Server
• Forms
• Hidden Inputs
• Request Object
• Application Object
• Session Object
• Other Objects
• Lab – Browser/Server Communication
FormsDemo.asp
<%
If not request(“somedata”) = “” then
response.write(“The data is:” & somedata & “<br>”)
end if
%>
<FORM ACTION=“Demo.asp” METHOD=“POST”>
<input type=“text” name=“somedata”>
<input type=“submit”>
</FORM>
Hidden Inputs
<input type=“hidden” name=“test” value= “<%=request(“test”)%>” >
Request Object
• Exposes for use:– Form Data
– Href parameters
Application Object
• Starts up when the first user hits the site
• Ends when the server is shut down
Session Object
• Relies on cookies
• Makes information persistent between pages
• Can be troublesome:– DNS Round Robin
– Load Balancing
– Timeout, Cookies not allowed by browser
Session Example
…
Session(“userid”) = request(“userid”)
…
Module 4 – Database Connectivity
Module 5 – Updating Data
Module 6 – Advanced SQL 7 Techniques
Lab – Browser/Server Communication
Module 7 – Security
Module 8 – Email Communication
Module 9 – Logging Visitors
Module 10 – Dealing with browsers
Module 11 – OLE Automation with Excel and Other Objects
Module 12 - XML
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