I'm trying to connect to an MDF. I've even gone to the lengths of re-installing sql server express entirely (it is now the only flavor of SQL installed on my box, where previously I had 05 dev and ...

I've created an entity model file (.edmx) based on an .mdf file in my asp.net application, placed in my App_Data Folder. first of all my connection string, created by the entity framework wizard :...