Solved

The configuration is read only.

Posted on 2006-06-13
3
3,372 Views
Last Modified: 2007-11-27
I am trying to use the following code to add a connection string to the web.config at runtime.  I got an error says "The configuration is read only."  Any ideas?  

         Dim conn As New ConnectionStringSettings
         conn.ConnectionString = "Data Source=xx;Persist Security Info=True;User ID=xx;password=xx;"
         conn.Name = "myConn"
         conn.ProviderName = "System.Data.OracleClient"
         ConfigurationManager.ConnectionStrings.Add(conn)

I am using Visual Studio 2005.   I am developing a web app.    Thanks!
0
Comment
Question by:tz478
  • 2
3 Comments
 
LVL 14

Accepted Solution

by:
existenz2 earned 500 total points
ID: 16894187
The default configuration files are meant to be read only by (good) design. If you want to save additional information you need to use resource files or custom config files together with custom classes which read/write the config files.
0
 
LVL 1

Author Comment

by:tz478
ID: 16894649
The above code comes from Wrox "Professional ASP.NET 2.0" Chapter 11 P351.  They did not mention anything about read only.

Well, I guess I have to take your word - the web.config is read only by design.  Thanks!
0
 
LVL 14

Expert Comment

by:existenz2
ID: 16895962
I had another look at it when you mentioned 2.0, I assumed you were using 1.1 (my bad, should have known that considering the code you posted), and although I still stick to my point that you should threat the web.config as a read only file, in .NET 2.0 you are able to read/write data into the appsettings and connectionString tags inside the web.config. It has big cons.

You can do this with (some examples):
http://www.dotnetspider.com/qa/Question42231.aspx
http://msdn2.microsoft.com/en-us/system.web.configuration.webconfigurationmanager.aspx
http://www.developersdex.com/asp/message.asp?p=1116&r=5053428
http://www.odetocode.com/Articles/418.aspx

0

Featured Post

Free Tool: Subnet Calculator

The subnet calculator helps you design networks by taking an IP address and network mask and returning information such as network, broadcast address, and host range.

One of a set of tools we're offering as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Summary Displaying images in RichTextBox is a common requirement with limited solutions available. Pasting through clipboard or embedding into RTF content only support static images.  This article describes how to insert Windows control objects int…
Real-time is more about the business, not the technology. In day-to-day life, to make real-time decisions like buying or investing, business needs the latest information(e.g. Gold Rate/Stock Rate). Unlike traditional days, you need not wait for a fe…
Two types of users will appreciate AOMEI Backupper Pro: 1 - Those with PCIe drives (and haven't found cloning software that works on them). 2 - Those who want a fast clone of their boot drive (no re-boots needed) and it can clone your drive wh…
With Secure Portal Encryption, the recipient is sent a link to their email address directing them to the email laundry delivery page. From there, the recipient will be required to enter a user name and password to enter the page. Once the recipient …

856 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question