The temp directory in chart handler configuration is not accessible 
To resolve this, first go to web.config and find the ChartImage directory in appsettings.[ detail ]
Error : The Temp Directory in Chart Handler Configuration is Not Accessible
If you build a web application with Chart control for ASP.NET 4.0 and
 deploy the site to web server.  You might get following error on the 
live site: [source]






