Question

How do I reference AppSettings from ASP.NET markup?

Asked by: bd9000

I wish to reference the Application Settings from the web.config file in the ASP.NET page markup using the
<% $AppSettings:mySetting %> format, but I keep getting errors saying it can't be found.

"The application setting 'regexPostal' was not found in the applications configuration."


I created the setting in VS2008 (by right clicking the web project, selecting properties and add the setting in the Settings tab).
It adds the following to the web.config file:

...
  <applicationSettings>
    <web.My.MySettings>
      <setting name="regexPostal" serializeAs="String">
        <value>^(\d{5}-\d{4}|\d{5}|\d{9})$|^([ABCEGHJKLMNPRSTVXY]\d[ABCEGHJKLMNPRSTVWXYZ])\ {0,1}(\d[ABCEGHJKLMNPRSTVWXYZ]\d)$</value>
      </setting>
    </web.My.MySettings>
  </applicationSettings>
...


I've tried the following with no luck
 <%$ Appsettings:regexPostal %>  -- according to the books, this one should work
<%$ Appsetting:regexPostal %>  -- 1 s
<%$ applicationSettings:regexPostal %>   --just for kicks, knew this would not work, but tried anyway
<%$ Appsettings("regexPostal") %>
<%$ Appsettings("/regexPostal") %>

Is there an XPath or something missing here?
the entry in the web.config looks wrong to me (why would they not call the node appSettings?)
where is the parser looking?

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Asked On
2009-08-03 at 18:26:40ID24623347
Tags

ASP.NET 2.0

Topics

Programming for ASP.NET

,

.NET Framework 3.x versions

Participating Experts
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Answers

 

by: jinalPosted on 2009-08-03 at 18:38:38ID: 25009922

It should be appSettings not applicationSettings.

<appSettings>
       <add key="regexPostal" value="^(\d{5}-\d{4}|\d{5}|\d{9})$|^([ABCEGHJKLMNPRSTVXY]\d[ABCEGHJKLMNPRSTVWXYZ])\ {0,1}(\d[ABCEGHJKLMNPRSTVWXYZ]\d)$" /> 
  </appSettings>
 
 
now in aspx
 
<%$ AppSettings:regexPostal %>

                                              
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by: bd9000Posted on 2009-08-03 at 19:17:17ID: 25010051

Thanks!  I was too used to the WinForms stuff, I assumed VS's settings dialog was correct.

20120131-EE-VQP-002

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