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Home/ Questions/Q 85551
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Asked: May 10, 20262026-05-10T22:06:26+00:00 2026-05-10T22:06:26+00:00

How can I change a key’s value in web.config which is defined between appSettings

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How can I change a key’s value in web.config which is defined between appSettings tags at code behind in asp.net

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  1. 2026-05-10T22:06:26+00:00Added an answer on May 10, 2026 at 10:06 pm

    As of .Net 2.0 there is an API for modifying the web config at runtime.

    Note however that any changes made to the web config will cause the web application to restart, so you want to use this as infrequently as possible.

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