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POGet/Set AppSetting from subdirectory configuration
 

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    <p>Using ASP.NET under .NET 2.0, is it possible to get/set AppSettings in a web.config in a sub-directory, from a page in the root directory? When I say "set", I do not need a permanent setting of the value, just simply updating the value in memory is sufficient.</p> <p>I have a web application which has the standard root <code>web.config</code> file, which has system wide configuration settings. </p> <p>The application also has a number of sub-directories, each one being a separate part of the system, and each having their own <code>web.config</code> file containing configurations that are only necessary for that particular section. (All code within these sections is also built under their own individual <code>NameSpace</code>.)</p> <p>Is it possible for code within the root directory to get or set an individual <code>&lt;add key="" value=""/&gt;</code> configuration setting from a sub-directory?</p> <p>So, for example, if I call a page in the root of the web application (e.g. <code>~/Default.aspx</code>) could it somehow manually lookup an individual configuration value from the <code>~/Section1/web.config</code> file?</p> <p>My guess this cannot be done, but I wanted to ask here first</p> <hr> <p>One thought I had - that I've tried but <strong>doesn't</strong> work - was to have a UserControl within each section with public properties to get the values. Then dynamically load the control from with the root page code and call a property to get the value. However, even though the UserControl is hosted with in the sub-directory, and is part of the sub-directory namespace, it is still not picking up the <code>web.config</code> settings within that sub-directory.</p>
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    1. COYou can always load the config files as XML into code and read them that way. Alternatively, why not just put the values in the subdirectory appSettings into the main-dir appSettings? They will still be accessible to the subdir code, but also to your maindir code
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    2. COSorry @Dave, had urgent support call - typical! Yes, that is one option, but I've been an idiot and forgotten to say that what I would also like to be able to do is to temporarily SET a configuration value (i.e. just in memory, no need to update the web.config file)... I will update my question accordingly
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