error in accessing database in window azure vm

Question

i want to deploy my site on window azure, for that purpose i follow these steps.
1.first create vm using images of of sql 2012 enter
2.create end points for that vm.
3.then connect my vm
4.when vm run properly, i access sql congfigrtion,sql management studio to restore my database,then install iis on my vm,
5.and deploy my application in root dir of iis,
my connection string is as follow

<connectionStrings>     <add name="Entities" connectionString="metadata=res://*/;provider=System.Data.SqlClient;provider connection string="data source=(local);initial catalog=xxx;integrated security=True;MultipleActiveResultSets=True;App=EntityFramework"" providerName="System.Data.EntityClient" />   </connectionStrings> 

but when i access in browser this error show up

The network name cannot be found  

how do i solve this problem,or guide me for proper way to deploy application in window azure vm.