System.Configuration.ConfigurationManager.AppSettings

[tko]

I use \[code\]System.Configuration.ConfigurationManager.AppSettings["key1"]\[/code\] in settings.designer.cs file it's working fine in the development but after i moved all the .dll files into production it is not working. In \[code\]web.config\[/code\] file i added app settings in development and production. so what is the problem? Please help me.in the settings.designer.cs file \[code\]get{ return WebConfigurationManager.AppSettings["ConnectionString"]; //return (AppSettings["ConnectionString"]); //return ((string)(this["ConnectionString"])); }\[/code\]i tried all three return statement 3 rd return is wrking fine in both dev & prod but it is not rendering from web.config.in web.config\[code\]<add key="ConnectionString" value="http://stackoverflow.com/questions/12651264/connection string values are given here">\[/code\]