Introduction to VB, ASP, COM
Presented byCharley Jones
The Maxim GroupLas Vegas, NV
All code samples will be posted to:http://www.crjones.com/vbintro
Introduction to VB, ASP, COM
Shameless Plug:
The Maxim Group
Since 1987
75 Offices World Wide
6,000+ Consultants
Online Training, Tutoring, Support
Hourly, Salaried, Full-Time
Narc on your friends!?!?(Send us a resume or two!)
Introduction to VB
Generates EXE’s, DLL’s…
Distribution/Installation Scripts…
ConceptsObectsPropertiesMethods
Introduction to VB
Integrated Development EnvironmentCompilerOptimizerDebugger
Demonstration:
Timer App
Introduction to VB
Database Access
Use the Wizards
Demonstration:
Author App
Introduction to VB
Controlling other apps
MS Office
Demonstration:
Excel Control
Introduction to VB
Example to build from:
Plus
Demonstration:
Plus VB
Introduction to ASP
An extension of HTML (Vb + HTML)
ASP -> IIS -> HTML
Web Server interprets ASP pages and produces HTML for display on browser…
Introduction to ASP
Example to build from:
Plus
Demonstration:
Plus.ASP
Introduction to ASP
PLUS.ASP:
<FORM METHOD=POST>
<INPUT TYPE=TEXT NAME=A WIDTH=20 VALUE=""><BR>
+<BR>
<INPUT TYPE=TEXT NAME=B WIDTH=20 VALUE=""><BR>
=<BR>
<INPUT TYPE=TEXT NAME=C WIDTH=20 VALUE=""><BR>
<BR>
<INPUT TYPE=SUBMIT>
</FORM>
Introduction to ASP
Making it work!
Request Object
Demonstration:
Plus2.ASP
Introduction to ASP
Plus2.ASP:
<%
A = request("A")
B = request("B")
C = cint(a) + cint(b)
%>
<FORM METHOD=POST>
<INPUT TYPE=TEXT NAME=A WIDTH=20 VALUE="<%=A%>"><BR>
+<BR>
<INPUT TYPE=TEXT NAME=B WIDTH=20 VALUE="<%=B%>"><BR>
=<BR>
<INPUT TYPE=TEXT NAME=C WIDTH=20 VALUE="<%=C%>"><BR>
<BR>
<INPUT TYPE=SUBMIT>
</FORM>
Introduction to COM
Component Object Model(ing)
Replaceable/Reusable (Plugins)
Word, Excel, ActiveXUser Created
3rd Party
Introduction to COM
Rebuild PLUS as COM:
Back to VB
Demonstration:
PlusObject
Introduction to COM
Using a COM object:
Back to VB
Demonstration:
PlusObjectTestVB
Introduction to COM
Using COM from ASP:
Back to ASP
Demonstration:
Plus3.ASP
Introduction to COMPlus3.ASP:
<%
A = request("A")
B = request("B")
Dim objPlus
Set objPlus = Server.CreateObject("PlusObject.Plus")
C = objPlus.Plus(cint(A),cint(B))
Set objPlus = Nothing
%>
<FORM METHOD=POST>
<INPUT TYPE=TEXT NAME=A WIDTH=20 VALUE="<%=A%>"><BR>
+<BR>
<INPUT TYPE=TEXT NAME=B WIDTH=20 VALUE="<%=B%>"><BR>
=<BR>
<INPUT TYPE=TEXT NAME=C WIDTH=20 VALUE="<%=C%>"><BR>
<BR>
<INPUT TYPE=SUBMIT>
</FORM>
VB Resources
VB Resources:
Hardcopy??
There’s a ton!
VB Resources
VB Resources:
Carl & Gary’s
http://www.cgvb.com/
VB Resources
VB Resources:
Microsoft Visual Basic Homepage
http://msdn.microsoft.com/vbasic/
ASP Resources
The complete and up to date source:http://msdn.microsoft.com/scripting/
Professional Active Server Pages 3.0Wrox Press ~$60
ASP in a NutshellO’Reilly ~$30
The Future of VB?
Microsoft Visual Studio .net
http://msdn.microsoft.com/vstudio/nextgen
Introduction to VB, ASP, COM
