How can i encrypt and decrypt my web address in asp.net?

Connection String in Web.configBy default, the DataProtectionConfigurationProvider is configured to use DPAPI with the machine store.To encrypt the connectionStrings section in Web.config 1. Create a new Web site named MachineDPAPI. Make sure that this directory is configured as a virtual directory. 2. Add a Web.config configuration file to this directory. 3. Add a sample connectionString similar.