Watching changes in the App.config file on runtime

[Ajay Pal Singh]

Hi,

I am creating a web service, which needs to take some actions based on the
config file. I need a way to listen the changes as they occur in the config
file so that the service can take appropriate action for the cahnges. Is
there any way i can implement this.

Thanks,
Ajay

[PJ Olson]

Check out the FileSystemWatcher class in the framework:

http://msdn.microsoft.com/library/de...sctortopic.asp
This will provide everything you need.

"Ajay Pal Singh" <aj***@nagarro.com> wrote in message
news:ul*************@TK2MSFTNGP15.phx.gbl...

Hi,

I am creating a web service, which needs to take some actions based on the
config file. I need a way to listen the changes as they occur in the
config
file so that the service can take appropriate action for the cahnges. Is
there any way i can implement this.

Thanks,
Ajay

[Ignacio Machin \( .NET/ C# MVP \)]

Hi,

You can use a FileSystemWatcher to monitor the file

What I do not know for sure is the consecuence of changing this file, in a
web app if you change it the application is restarted, you lose all the
sessions and you don't need to check for changes. I don't know what happen
in a web service.

Cheers,

--
Ignacio Machin,
ignacio.machin AT dot.state.fl.us
Florida Department Of Transportation

"Ajay Pal Singh" <aj***@nagarro.com> wrote in message
news:ul*************@TK2MSFTNGP15.phx.gbl...

Hi,

I am creating a web service, which needs to take some actions based on the
config file. I need a way to listen the changes as they occur in the
config
file so that the service can take appropriate action for the cahnges. Is
there any way i can implement this.

Thanks,
Ajay

[Ajay Pal Singh]

Thanks for the response.
But the problem I am facing is little different:

I want to use the System.Configuration.ConfigurationSetting.AppSetti ngs
member function to retrieve settings from the my app.config file.
If some of the settings in the app.config are changed and when I read back
values from
System.Configuration.ConfigurationSetting.AppSetti ngs member function it is
the original one, is there a way to force reading back the .config file ?
"PJ Olson" <pe*****@sux.com> wrote in message
news:OG**************@TK2MSFTNGP14.phx.gbl...

Check out the FileSystemWatcher class in the framework:

http://msdn.microsoft.com/library/de...sctortopic.asp

This will provide everything you need.

"Ajay Pal Singh" <aj***@nagarro.com> wrote in message
news:ul*************@TK2MSFTNGP15.phx.gbl...

Hi,

I am creating a web service, which needs to take some actions based on the config file. I need a way to listen the changes as they occur in the
config
file so that the service can take appropriate action for the cahnges. Is
there any way i can implement this.

Thanks,
Ajay

[Ajay Pal Singh]

Thanks for the response.
But the problem I am facing is following:

I want to use the System.Configuration.ConfigurationSetting.AppSetti ngs
member function to retrieve settings from the my app.config file.
If some of the settings in the app.config are changed and when I read back
values from
System.Configuration.ConfigurationSetting.AppSetti ngs member function it is
the original one, is there a way to force reading back the .config file ?

"Ignacio Machin ( .NET/ C# MVP )" <ignacio.machin AT dot.state.fl.us> wrote
in message news:eA**************@TK2MSFTNGP09.phx.gbl...

Hi,

You can use a FileSystemWatcher to monitor the file

What I do not know for sure is the consecuence of changing this file, in a
web app if you change it the application is restarted, you lose all the
sessions and you don't need to check for changes. I don't know what happen
in a web service.

Cheers,

--
Ignacio Machin,
ignacio.machin AT dot.state.fl.us
Florida Department Of Transportation

"Ajay Pal Singh" <aj***@nagarro.com> wrote in message
news:ul*************@TK2MSFTNGP15.phx.gbl...

Hi,

I am creating a web service, which needs to take some actions based on the config file. I need a way to listen the changes as they occur in the
config
file so that the service can take appropriate action for the cahnges. Is
there any way i can implement this.

Thanks,
Ajay

[Marc Scheuner [MVP ADSI]]

>I want to use the System.Configuration.ConfigurationSetting.AppSetti ngs

member function to retrieve settings from the my app.config file.
If some of the settings in the app.config are changed and when I read back
values from
System.Configuration.ConfigurationSetting.AppSett ings member function it is
the original one, is there a way to force reading back the .config file ?

No - you will have to "roll your own" and read and interpret the
app.config file (a XML file) yourself.

The basic .NET framework does *NOT* assume that those files are
changed while the app is running, and thus they read the settings
ONCE, at startup, and never again after that (they're being cached).

Marc
================================================== ==============
Marc Scheuner May The Source Be With You!
Bern, Switzerland m.scheuner(at)inova.ch

[Jim Hughes]

Store the settings in a custom application specific Settings class. Use that
class to receive updates and update the web.config at the same time as well
as providing the current settings to your web service.

Provide a property for each setting will also provide the equivalent of a
Typed Dataset type environment preventing runtime errors due to mispelled
app settings.

"Pretend" the web service has no knowledge of the
System.Configuration.ConfigurationSetting.AppSetti ngs area and uses your
custom Settings class instead.

Your app will then always have the latest values at hand!

"Ajay Pal Singh" <aj***@nagarro.com> wrote in message
news:Oq**************@TK2MSFTNGP09.phx.gbl...

Thanks for the response.
But the problem I am facing is little different:

I want to use the System.Configuration.ConfigurationSetting.AppSetti ngs
member function to retrieve settings from the my app.config file.
If some of the settings in the app.config are changed and when I read back
values from
System.Configuration.ConfigurationSetting.AppSetti ngs member function it
is
the original one, is there a way to force reading back the .config file ?
"PJ Olson" <pe*****@sux.com> wrote in message
news:OG**************@TK2MSFTNGP14.phx.gbl...

Check out the FileSystemWatcher class in the framework:

http://msdn.microsoft.com/library/de...sctortopic.asp

This will provide everything you need.

"Ajay Pal Singh" <aj***@nagarro.com> wrote in message
news:ul*************@TK2MSFTNGP15.phx.gbl...

> Hi,
>
> I am creating a web service, which needs to take some actions based on the > config file. I need a way to listen the changes as they occur in the
> config
> file so that the service can take appropriate action for the cahnges.
> Is
> there any way i can implement this.
>
> Thanks,
> Ajay
>
>