[AccessD] VB.NET

Eric Barro ebarro at afsweb.com
Tue Jun 1 18:36:38 CDT 2004


Yep...in your example of a mouseover event on a control, .NET creates that javascript code for the browser.

---
Eric Barro
Senior Systems Analyst
Advanced Field Services
(208) 772-7060
http://www.afsweb.com 

-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com]On Behalf Of
DWUTKA at marlow.com
Sent: Tuesday, June 01, 2004 4:29 PM
To: accessd at databaseadvisors.com
Subject: RE: [AccessD] VB.NET


Alright, it's event driven.  Which means you could do, for example, a mouse
over event on a control.  Not sure if you can or not, but I'm just using
this as an example.  For that event to occur, it has to occur on the
client's machine.  Therefore, something on the clients machine has to be
watching for that event.  It may process the event on the server, but
something has to tell the server to process it, from the clients machine.  

ASP is server side, it's a disconnected server side, it gets a 'snapshot'
from the user, and sends a 'snapshot' back.  There is not a 'live'
connection.  For ASP.NET to do what it does, it either has to create a
'live' connection, OR it has to put client side scripting in place, to fire
the server components.

Does that make sense?

Drew

-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com]On Behalf Of Eric Barro
Sent: Tuesday, June 01, 2004 5:18 PM
To: Access Developers discussion and problem solving
Subject: RE: [AccessD] VB.NET


Drew,

I'm not sure what you mean by "What kind of security issues you are risking,
though, if you are putting the scripting out on the other end to send stuff
through."

There is no "scripting code" that is exposed to the end user since all of
that is encapsulated in the DLL that ASP.NET builds, compiles and calls
everytime it runs the .NET app. ASP.NET handles all the client-side display
issues using Javascript and the business logic (assuming you wrote it in
VB.NET or C#) is compiled into a single DLL that the server runs to handle
all the back end interaction.


---
Eric Barro
Senior Systems Analyst
Advanced Field Services
(208) 772-7060
http://www.afsweb.com 

-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com]On Behalf Of
DWUTKA at marlow.com
Sent: Tuesday, June 01, 2004 2:35 PM
To: accessd at databaseadvisors.com
Subject: RE: [AccessD] VB.NET


That's good to hear!  I'm still leary of 'OLDER' browsers.  There are people
in this world still using Windows 95 a, with IE 3.01.  (And even older).
Did you know it is impossible to upgrade the browser from that point,
without a CD, or the cabs for a later IE?  Microsoft's own website
(including the windows update site) isn't supported in that browser.

Still gives me the heebie jeebies.  I'd have to check it out myself.  What
kind of security issues are you risking, though, if you are putting the
scripting out on the other end to send stuff through.  Just another thought
to ponder.

Drew

-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com]On Behalf Of Eric Barro
Sent: Tuesday, June 01, 2004 3:45 PM
To: Access Developers discussion and problem solving
Subject: RE: [AccessD] VB.NET


ASP.NET code (written in either VB.NET or C#) is not browser dependent. In
fact ASP.NET generates the appropriate javascript code for the client side
when it renders the page. All the business logic is encapsulated in a DLL on
the BIN folder in the web root.

---
Eric Barro
Senior Systems Analyst
Advanced Field Services
(208) 772-7060
http://www.afsweb.com 

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