Ok,
Thanks! Just wondering if I was missing something. Rigth now I'm just doing
some research before I start coding.
My next question is, wouldn't it be easier to create an object that
represents the web.config and then just use the XMLSerializer to read and
write it to and from the disk?
My XML is a little weak, so I haven't fully explored this option.
Questions? Comments? Smart Remarks <g>?
Thanks,
Dave
----- Original Message -----
From: "Mitch Denny" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Sunday, June 16, 2002 5:50 AM
Subject: Re: [DOTNET] web.config
> Dave,
>
> Its basically just an XML file. Unfortunately the configuration
> architecture in .NET doesn't support writing to the configuration
> file with the same ease as reading. Basically you need to open
> it with an XmlDocument then work with the DOM. Here is a minmal
> example of changing an application setting.
>
> using ConfWrite;
> using System;
> using System.Configuration;
> using System.Xml;
>
> namespace ConfWrite
> {
>
> public class EntryPoint
> {
>
> public static void Main()
> {
>
> // Declare locals.
> XmlDocument configFile = null;
> XmlElement configuration = null;
> XmlElement mySetting = null;
>
> // Load up the application config file.
> configFile = new XmlDocument();
> configFile.Load("ConfWrite.exe.config");
>
> // Grab the <configuration /> element, well,
> atleast
> // it should be if it a valid .NET config file.
> configuration = configFile.DocumentElement;
>
> // Grab a particular appSetting with the key of
> // appSetting - pretty straight-forward.
> mySetting =
> (XmlElement)configuration.SelectSingleNode("appSettings/add[@key='MySett
> ing']");
>
> // Print out the before value.
> Console.WriteLine(
> "Before: {0}",
> mySetting.Attributes["value"].Value
> );
>
> // Update the value with the current date.
> mySetting.Attributes["value"].Value =
> DateTime.Now.ToString();
>
> // Print out the after value.
> Console.WriteLine(
> "Before: {0}",
> mySetting.Attributes["value"].Value
> );
>
> // Save the current configuration back to disk.
> configFile.Save("ConfWrite.exe.config");
>
> }
>
> }
>
> }
>
> When you implement IConfigurationSectionHandler you get
> passed an XmlNode instance, but if you grab the document
> reference from that and try and persist it to disk you
> end up overriting the config file with just that element
> -- disaster for anyone who attempts it and doesn't back-up
> first. The other thing you may run into is a file locking
> issue where the configuration file gets locked during the
> process of a read so you need to space writes out from
> the reads (if using the default mechanism).
>
> There is probably a market for a two way configuration
> reading library which can support IConfigurationSectionHandler
> interface but also adds two more:
>
> IConfigurationSectionWriter
> IConfigurationSectionReader
>
> Maybe Microsoft might implement something like this in
> future versions of the .NET Framework.
>
> ----------------------------------------
> - Mitch Denny
> - [EMAIL PROTECTED]
> - +61 (414) 610-141
> -
>
> -----Original Message-----
> From: The DOTNET list will be retired 7/1/02
> [mailto:[EMAIL PROTECTED]] On Behalf Of dave wanta
> Sent: Sunday, 16 June 2002 08:59
> To: [EMAIL PROTECTED]
> Subject: [DOTNET] web.config
>
>
> hi all,
> Does anyone know of any urls\examples for programmatically modifying the
> web.config?
>
> Thanks,
> Dave
>
> You can read messages from the DOTNET archive, unsubscribe from DOTNET,
> or subscribe to other DevelopMentor lists at http://discuss.develop.com.
>
> You can read messages from the DOTNET archive, unsubscribe from DOTNET, or
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>
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