Change or add connection string in the App.config programmatically using MVC 3

Question

Is is possible to add or change connection in the connection string in the App.config, programmatically? I've tried something with

    var A = ConfigurationManager.ConnectionStrings;
    A.Add(new ConnectionStringSettings());

but i got a message that it's read only.

Please help

Levi Botelho · Accepted Answer · 2013-02-03 13:28:26Z

1

Any modification to the configuration file of a web application requires IIS to restart. As such, you cannot make a runtime modification to the file from your code because it would require restarting the entire application.

answered Feb 3, 2013 at 13:28

Levi Botelho

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Levi Botelho Over a year ago

Yes, this is simply because of how IIS manages configuration values.

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