Now here in this tutorial, I’ll explain how to read or get appSettings value from web.config file to fetch connection string using c# as well as vb.net in Asp.net. If you find the tutorial useful, do check out our other tutorials as well. In my previous tutorials, I’d explained about insert update and delete on asp.net gridview, sql injection with example, get connectionstring from web.config file and other more cracking tutorials on appSettings, Asp.net here.