How do i get a specific value from the config file

Question

Hi i have got the following app.config. How do i get the values for smtp server mail subject etc.

string filePath = ConfigurationManager.AppSettings["SmtpServer"]; i'm getting nothing

actually added key values also the output returned null.

Answer 1

It's Simple

1st You set web.config or app.config file value like this.

<appSettings>
<add key="SmtpServer" value="abc" />
</appSettings>

then get value.

string filePath = Convert.ToString(ConfigurationManager.AppSettings["SmtpServer"]);

Or Same as app.config file

 string filePath = System.Configuration.ConfigurationManager.AppSettings["SmtpServer"];