introduction to vb, asp, com presented by charley jones the maxim group las vegas, nv...

Introduction to VB, ASP, COM

Presented byCharley Jones

The Maxim GroupLas Vegas, NV

CRJones@VSC.MaximGroup.Com

All code samples will be posted to:http://www.crjones.com/vbintro

Introduction to VB, ASP, COM

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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