I was creating  a Custom Configuration section in my web.config.

I noticed that if I set a property like:
  [ConfigurationProperty("EmailAuthorizationFailures", IsRequired = true)]

	<MySection
		 EmailAuthorizationFailures="true" 
	   />


and I neglected to put the entire MySection in the web.config.  I don't get 
an error.  Additionally if I actually read the section using 
GetConfig("MySection") it comes back full of values (DefaultValue or 
ValueType defaults ).  I thought it would be NULL.

I would like to throw an exception if the user forgets to  put in the 
section in the web.config.
Is their a way to test for the missing section?

thanks,

Hi Chuck,

As for the "how to test the missing of a configuration section in .net 
config file", I think it a good question.  However, based on my research, 
the current .NET configuration settings model doesn't provide support of 
detecting the existence of a configuration section automatically(only the 
detection of a sub section properrty is supported).  This limitation is due 
to the following design of the configuration section processing mechanism:

** When .net application runs, it will not always load all the 
configuration settings at one time or at the startup time. The loading of 
each configuration section is on-demand and may occur at different time. 
Thus, it won't be convenient to check all the potential configsection's 
existence.

** So far <configSections><section> element only support the definition of 
the scope and modify-behavior of the registered section, haven't provided 
setting to control the existence detection

For your scenario, if you do need to take care of some certain custom 
configuration's existence, I think you may consider manually use the 
configuration API to query the certain section in code or use XML API to 
perform xml query against the app.config file.

Sincerely,

Steven Cheng

Microsoft MSDN Online Support Lead

 

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Thanks,
I'll think I will use a little hack.
Create a setting.  IhaveBeenSpecified  default =false.
When I read the settings in code if it is false, I'll throw an exception.


"Steven Cheng[MSFT]" wrote:


> Hi Chuck,
> 
> As for the "how to test the missing of a configuration section in .net 
> config file", I think it a good question.  However, based on my research, 
> the current .NET configuration settings model doesn't provide support of 
> detecting the existence of a configuration section automatically(only the 
> detection of a sub section properrty is supported).  This limitation is due 
> to the following design of the configuration section processing mechanism:
> 
> ** When .net application runs, it will not always load all the 
> configuration settings at one time or at the startup time. The loading of 
> each configuration section is on-demand and may occur at different time. 
> Thus, it won't be convenient to check all the potential configsection's 
> existence.
> 
> ** So far <configSections><section> element only support the definition of 
> the scope and modify-behavior of the registered section, haven't provided 
> setting to control the existence detection
> 
> For your scenario, if you do need to take care of some certain custom 
> configuration's existence, I think you may consider manually use the 
> configuration API to query the certain section in code or use XML API to 
> perform xml query against the app.config file.
> 
> Sincerely,
> 
> Steven Cheng
> 
> Microsoft MSDN Online Support Lead
> 
>  
> 
> ==================================================
> 
> Get notification to my posts through email? Please refer to 
> http://msdn.microsoft.com/subscriptions/managednewsgroups/default.aspx#notif
> ications.
> 
>  
> 
> Note: The MSDN Managed Newsgroup support offering is for non-urgent issues 
> where an initial response from the community or a Microsoft Support 
> Engineer within 1 business day is acceptable. Please note that each follow 
> up response may take approximately 2 business days as the support 
> professional working with you may need further investigation to reach the 
> most efficient resolution. The offering is not appropriate for situations 
> that require urgent, real-time or phone-based interactions or complex 
> project analysis and dump analysis issues. Issues of this nature are best 
> handled working with a dedicated Microsoft Support Engineer by contacting 
> Microsoft Customer Support Services (CSS) at 
> http://msdn.microsoft.com/subscriptions/support/default.aspx.
> 
> ==================================================
>  	
> 
> This posting is provided "AS IS" with no warranties, and confers no rights.
> 
> 
> 
> 
> 
> 

Thanks for your reply Chuck,

Yes, the method you mentioned should be a good trick to help perform such 
detection. Thanks for sharing it with us.

BTW, I also think this is a reasonable feature and recommend you submit it 
to our product feedback site:

https://connect.microsoft.com/feedback/default.aspx?SiteID=210&wa=wsignin1.0

Thanks for your posting!

Sincerely,

Steven Cheng

Microsoft MSDN Online Support Lead