Simple membership in mvc4

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MVC4

Hi everyone

I am new one to MVC4....I generated model classes from database using Entity Framework in my application and when ever i am trying to registering new user it giving error like this.....

in my InitializeSimpleMembershipAttribute.cs class

public override void OnActionExecuting(ActionExecutingContext filterContext)
      {
          // Ensure ASP.NET Simple Membership is initialized only once per app start
          LazyInitializer.EnsureInitialized(ref _initializer, ref _isInitialized, ref _initializerLock);
      }

      private class SimpleMembershipInitializer
      {
          public SimpleMembershipInitializer()
          {
              Database.SetInitializer<EMedExEntities>(null);

              try
              {
                  using (var context = new EMedExEntities())
                  {
                      if (!context.Database.Exists())
                      {
                          // Create the SimpleMembership database without Entity Framework migration schema
                          ((IObjectContextAdapter)context).ObjectContext.CreateDatabase();
                      }
                  }

                  WebSecurity.InitializeDatabaseConnection("EMedExEntities", "EMedExAdminProfile", "Admid", "Admlogin", autoCreateTables: true);
              }
              catch (Exception ex)
              {
                  throw new InvalidOperationException("The ASP.NET Simple Membership database could not be initialized. For more information, please see http://go.microsoft.com/fwlink/?LinkId=256588", ex);
              }
          }
      }

System.ArgumentException: Unable to find the requested .Net Framework Data Provider.  It may not be installed.

Source Error: 
                  WebSecurity.InitializeDatabaseConnection("EmployeeEntities", "Students", "Id", "FirstName", autoCreateTables: true);
                 }

how can i configure the simple member ship in my application. please help me