Re: serial port access from asp.net

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The problem is not permissions. ASPNET and IUSR have administrator
priviledges on the computer. The Windows API calls for serial ports don't
work under ASP.net.


"Kevin Spencer" wrote:

> >I use the serial port code that was published in MSDN magazine. It works
> >for
> > Windows Forms applications. It does not work in ASP.net. I have been
> > told
> > by many people you cannot access serial ports from ASP.net. Telling me
> > you
> > can access the serial ports doesn't do me any good.
>
> Copying and pasting is not programming. And IT doesn't do you any good.
>
> Hmmmm.... Why would code that is written for, and works for a Windows Forms
> app not work in an ASP.Net app? Well, I haven't seen it, so I'll have to ask
> The Amazing Kreskin..... he says it's permissions.
>
> --
> HTH,
>
> Kevin Spencer
> Microsoft MVP
> ..Net Developer
> What You Seek Is What You Get.
>
> "Al the programmer" <Altheprogrammer@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
> message news:77A8DB7E-1E7A-4E3C-80E7-9AB6A05425CB@xxxxxxxxxxxxxxxx
> >I use the serial port code that was published in MSDN magazine. It works
> >for
> > Windows Forms applications. It does not work in ASP.net. I have been
> > told
> > by many people you cannot access serial ports from ASP.net. Telling me
> > you
> > can access the serial ports doesn't do me any good.
> >
> >
> > "Kevin Spencer" wrote:
> >
> >> > Accessing the serial ports in .net is not the problem. Accessing the
> >> > serial
> >> > ports in asp.net is the problem. Code that accesses the serial ports
> >> > in a
> >> > Windows form application does not work in a asp.net application.
> >>
> >> An ASP.Net application is a .Net application, just as a Windows Form
> >> application is a .Net application. There is nothing you can do in a
> >> Windows
> >> Form app that you can't do in an ASP.Net app, except with regards to the
> >> UI.
> >>
> >> IOW, yes you can access a serial port in an ASP.Net app. Or, let me
> >> clarify:
> >> yes -I- can access a serial port in an ASP.Net app.
> >>
> >> --
> >> HTH,
> >>
> >> Kevin Spencer
> >> Microsoft MVP
> >> ..Net Developer
> >> What You Seek Is What You Get.
> >>
> >> "Al the programmer" <Altheprogrammer@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
> >> message news:4C910B4E-F34D-40CD-8930-D1CB45DD0DDA@xxxxxxxxxxxxxxxx
> >> > Accessing the serial ports in .net is not the problem. Accessing the
> >> > serial
> >> > ports in asp.net is the problem. Code that accesses the serial ports
> >> > in a
> >> > Windows form application does not work in a asp.net application.
> >> >
> >> >
> >> > "Shawn H. Mesiatowsky" wrote:
> >> >
> >> >> Here is a .net assembly for accessing the serial port:
> >> >>
> >> >> http://franson.com/serialtools/index.asp?platform=net
> >> >> only $30 bucks
> >> >>
> >> >> "Brock Allen" <ballen@xxxxxxxxxxxxxxxxx> wrote in message
> >> >> news:360668632482173457288576@xxxxxxxxxxxxxxxxxxxxxxx
> >> >> > There are no managed APIs to connect to the serial port in v1.x.
> >> >> > There
> >> >> > are
> >> >> > in v2.0 though. If you need a solution now, you'll have to write
> >> >> > unmanaged
> >> >> > code and then interop to access it.
> >> >> >
> >> >> > -Brock
> >> >> > DevelopMentor
> >> >> > http://staff.develop.com/ballen
> >> >> >
> >> >> >
> >> >> >
> >> >> >> I need to access the serial ports on my webserver from an asp.net
> >> >> >> page. I have no problem accessing the serial ports from a windows
> >> >> >> form application, but the code doesn't work in asp.net. I have
> >> >> >> been
> >> >> >> told it is not possible to access the serial ports from asp.net.
> >> >> >>
> >> >> >> The application is used to control custom hardware. The hardware
> >> >> >> is
> >> >> >> connected to a PC through serial ports. Our customer wants to
> >> >> >> control
> >> >> >> the hardware from a remote location so our idea was to have IIS
> >> >> >> running on the PC and the recorder controlled through a web page.
> >> >> >>
> >> >> >
> >> >> >
> >> >> >
> >> >>
> >> >>
> >> >>
> >>
> >>
> >>
>
>
>
.

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