Access web.config key from codebehind

Question

I have a key in the web.config file like:

<add key="MailFrom" value="[email protected]"/>

I need to access it in the code behind.How to do this in c#?

Darin Dimitrov · Accepted Answer · 2010-07-31 09:14:42Z

9

You could use the AppSettings property indexer:

string from = ConfigurationManager.AppSettings["MailFrom"];

answered Jul 31, 2010 at 9:14

Darin Dimitrov

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2 Comments

Rob Over a year ago

Most projects, don't seem to have a reference to System.Configuration.dll by default, which is required to access System.Configuration.ConfigurationManager, even though parts of the System.Configuration namespace are available without it. Worth mentioning for anyone that comes across this question but for a non-WebForms project (as WebForms seems to reference it for you).

Darin Dimitrov Over a year ago

@Rob, good remark. The link I provided to the documentation states exactly in which assembly this method is located so if the reader takes his time to check it out there won't be any problems.

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