9.5. Accessing Other web.config Configuration Elements
You want to be able to read application
web.config file that is not available as
value pair, but present as
an attribute or child element of some other element of the file.
web.config file into an
XmlDocument object, and access the target element
that contains the information you need as you would any other XML
In the code-behind class for your ASP.NET page, use the .NET language of your choice to:
web.configfile into an
SelectSingleNodemethod to get a reference to the desired section.
Use the attributes collection of the selected node to access the attributes for the section.
Example 9-6 through Example 9-8 show an application we’ve
written that implements this solution and retrieves attribute
settings from the
<trace> element of a
web.config file. Example 9-6
.aspx file that displays the
information. Example 9-7 (VB) and Example 9-8 (C#) show the code-behind class for the page
that does the work of reading the settings from the
web.config file is an XML document,
you can process it as you would any other XML document and use the
XML classes provided in the .NET Framework to access its elements and
their children. The first step is to create a new
XmlDocument object and load the
web.config file into it. In our example, we use
Server.MapPath to get the fully qualified ...