In this Article, I have Describe how to resolve network path not found in asp.net mvc. Already I solved this kind of problem when I go through the project I have faced like this. This was solved by changing connection string in web.config file.
In runtime its shows the underlying provider failed to open problem while I build the project. Kindly provide valid sql server connection.
<addname="models" connectionString="metadata=res://*/Models.Shopping.csdl|res://*/Models.Shopping.ssdl|res://*/Models.Shopping.msl;provider=System.Data.SqlClient;providerconnection string="data source=*****;initialcatalog=****;persist security info=True;user id=sa;password=****;MultipleActiveResultSets=True;App=EntityFramework"" providerName="System.Data.EntityClient" />