Entity Framework 6 - Knowledge Base (KB)

How can I utilize ADO.net Entity Framework with a SQLConnection that already exists?

I have an existing asp.net website that uses an SqlConnection....I have added the ADO.net Entity Framework....I have successfully connected to the database and created the .edmx file....I am able to connect through the Entity Framework with the connection...

'string' does not contain a definition for 'Connection'

I am trying to import and excel file into my sql database using Epplus library in MVC5 and Entity framework 6 in C#. I am getting this error. I know there is something not right the way I am getting my connection string....I am getting the error on the aw...