'System.Configuration.ConfigurationSettings.AppSettings' is obsolete

Question

I got the following warning

\'System.Configuration.ConfigurationSettings.AppSettings\' is obsolete: \'\"This method is obsolete, it has been replace

Answer 1

After adding the reference using System.Configuration; at the top of the class. Still the same warning remains.

In Code Behind:

Instead of ConfigurationSettings.AppSettings["ConnectionString"]

Use ConfigurationManager.AppSettings["ConnectionString"]

By Default the System.configuration Dll will be added in your project.

In Web.config or App.config: