Visual Basic Over A Web Server 
Author Message
 Visual Basic Over A Web Server

Hi, You might have to forgive me if I get the odd term wrong.

I have just completed a Thesis which discusses a relatively simple VB
application. Its not really the central thrust of the thesis.

The examiner believes it is possible to run VB code (NOT VB Script or ASP,
but the app code) over a WWW server so a client browser coiuld run the app
on thier desktop.

Frankly I doubt this - I have never heard of it bein gused until he sprung
it on me.

If anybody has any idea what he meant please reply. I'm really looking for a
web link just so I can either dismiss or mention his suggestion and then
round of the corrections.

Cheers

Darren



Tue, 23 Sep 2003 04:17:02 GMT  
 Visual Basic Over A Web Server
there are a few "solutions" that I am aware of.

1. is DCOM about which I know little except that it stands for distributed
COM and that it might be what you are looking for.
2. look at something like citrix (www.citrix.com) which will make your code
run on the server, but feel local.  It isn't strictly http, but it is the
same idea. works between Unix and win32 as well.
3. ActiveX (does anyone know who the rocket scientist at microsoft was who
didn't include "ActiveX" in their spellchecker?) things can be run in a
browser and thus downloaded w/in a web page.
4. VB will support the http protocol and can POST and GET to a http server
(or a VB http server app if you are a {*filter*}).  My experience is that
VB-http is really clumsy, and using something like perl/python which is
built to do this would be much much better.

doug


Quote:
> Hi, You might have to forgive me if I get the odd term wrong.

> I have just completed a Thesis which discusses a relatively simple VB
> application. Its not really the central thrust of the thesis.

> The examiner believes it is possible to run VB code (NOT VB Script or ASP,
> but the app code) over a WWW server so a client browser coiuld run the app
> on thier desktop.

> Frankly I doubt this - I have never heard of it bein gused until he sprung
> it on me.

> If anybody has any idea what he meant please reply. I'm really looking for
a
> web link just so I can either dismiss or mention his suggestion and then
> round of the corrections.

> Cheers

> Darren



Tue, 23 Sep 2003 13:35:11 GMT  
 Visual Basic Over A Web Server
Quote:
> Hi, You might have to forgive me if I get the odd term wrong.

We all make mistakes. I think you made none though.

Quote:
> I have just completed a Thesis which discusses a relatively simple VB
> application. Its not really the central thrust of the thesis.

I've never to write a thesis including a VB program in my life. Maybe in a
couple of years' time, perhaps!

Quote:
> The examiner believes it is possible to run VB code (NOT VB Script or ASP,
> but the app code) over a WWW server so a client browser coiuld run the app
> on thier desktop.

> Frankly I doubt this - I have never heard of it bein gused until he sprung
> it on me.

Simply, it can't be. That was why VBScript was created. The problem with VB
is that it uses file operations and other things that use an 'intimate' part
of the system. It was decided by the powers that be that a new variant
language was to be made which excludes these forbidden commands. This was
all in the name of security.
The closest your examiner will get to such a thing is downloading an EXE
file created in VB and opening it rather than saving it to disk. Think of
the virual possibilities, or the hacking capabilities.

Quote:
> If anybody has any idea what he meant please reply.

I think he meant some kind of program run, or a VBP file opened which reads
form files and all that from a network, and therefore the Internet. I
haven't tried it, but it should be possible over a network, but I'm not sure
over TCP/IP or DUN.

Quote:
> I'm really looking for a
> web link just so I can either dismiss or mention his suggestion and then
> round of the corrections.

Try looking in a search engine for "VBScript" +"security" +"file
operations". This may not be right, but you must remember to search for the
VBScript aspect rather than the VB part. This will give reasons as to why
VBScript has replaced VB on the Internet, including security issues.

Hope this helps.

QuickHare
Remove the NOSPAM to E-Mail direct.
Enleve la NOSPAM E-Mail moi directement.



Wed, 24 Sep 2003 02:03:26 GMT  
 Visual Basic Over A Web Server
 > The examiner believes it is possible to run VB code (NOT VB Script or
ASP,
 > but the app code) over a WWW server so a client browser coiuld run the
app
 > on thier desktop.
 >
 > Frankly I doubt this - I have never heard of it being used until he
sprung
 > it on me.

You can write an ActiveX control in VB and embed it in a web page to be run
when the web page is displayed. Although it's called a "control," it could
really contain all the functionality of your program.

-- Roger
The Daily Exclaimer: http://www.jadebox.com/exclaimer/
All the News We Can Make Up



Sat, 27 Sep 2003 02:00:21 GMT  
 
 [ 4 post ] 

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