Problem
You have custom configuration information for your application that youwould like to store in its web.config file.
Solution
Modify the web.config file for your applicationby adding an <appSettings> section tocontain the custom configuration settings.
Locate the
web.configfile in the root directoryof your application (or create one if it does not already exist).Add an
<appSettings>element.Add
<add>child elements along withkey/valuepairs to the<appSettings>element as required.In the code-behind class for your ASP.NET page, use the .NET languageof your choice to access the
<appSettings>key/value collection through theConfigurationSettingsobject.
Example 9-1 through Example 9-4 show the sample code we’vewritten to implement this solution. Example 9-1shows our web.config file with somekey/value pairs. Example 9-2 shows the .aspx file fora web form that displays the configuration settings. Example 9-3 (VB) and Example 9-4 (C#)show the code-behind class that accesses the configuration settingsusing the ConfigurationSettings object.
Discussion
ASP.NET lets you add and then access configuration informationspecific to your application to the web.configfile by means of a special <appSettings>element. You can add application configuration information by addingan <add> child element for each parameter,setting the key attribute to the name of theconfiguration parameter, and then setting thevalue attribute to ...
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