The underlying provider failed on an open while using stored procedure in code first

       using (ProductDbContext dbUserContext = new ProductDbContext())
       {
           listProducts = dbUserContext.Database.SqlQuery<products>("SP_GetAllProducts");
           dbUserContext.Database.Initialize(force: false);

           var dbProdCmd = dbUserContext.Database.Connection.CreateCommand();
           dbProdCmd.Connection = dbUserContext.Database.Connection;

//((IObjectContextAdapter)dbUserContext).ObjectContext.Connection.Open();

           dbProdCmd.CommandText = "SP_GetAllProducts";
           dbProdCmd.CommandType = CommandType.StoredProcedure;
           try
           {
               // dbUserContext.Database.Connection.Open();
               ((IObjectContextAdapter)dbUserContext).ObjectContext.Connection.Open();

               dbUserContext.Database.SqlQuery<products>("SP_GetAllProducts");

               var prodReader = dbProdCmd.ExecuteReader();

               listProducts = ((IObjectContextAdapter)dbUserContext)
              .ObjectContext
              .Translate<products>(prodReader, "Products", MergeOption.AppendOnly).ToList();
               prodReader.Dispose();
           }
           finally
           {
               //dbUserContext.Database.Connection.Close();
               //((SqlConnection)dbUserContext.Database.Connection).Close();

               ((IObjectContextAdapter)dbUserContext).ObjectContext.Connection.Close();
           }
           //((IObjectContextAdapter)dbUserContext).ObjectContext.ContextOptions.LazyLoadingEnabled = false;
           return View(listProducts);
       }

CREATE PROCEDURE [dbo].[SP_GetAllProducts]
	-- Add the parameters for the stored procedure here
	
AS
BEGIN
	-- SET NOCOUNT ON added to prevent extra result sets from
	-- interfering with SELECT statements.
	SET NOCOUNT OFF;

    -- Insert statements for procedure here
	SELECT * FROM [DBO].[Products]
	SELECT * FROM [DBO].[prd1]
	SELECT * FROM [DBO].[prd2]
	SELECT * FROM [DBO].[prd3]
	SELECT * FROM [DBO].[prd4]
	SELECT * FROM [DBO].[prd5]
	SELECT * FROM [DBO].[prd6]
END

using System.Collections.Generic;
using System;
using System.Data.Entity;

namespace Project.Models
{
    public class Products
    {
        public int Id { get; set; }
        public string Name { get; set; }
        public string Description { get; set; }
        public DateTime CreationDate { get; set; }
        public DateTime ModificationDate { get; set; }

        public virtual ICollection<t> prd1 { get; set; }
        public virtual ICollection<t> prd2 { get; set; }
        public virtual ICollection<t> prd3 { get; set; }
        public virtual ICollection<t> prd4 { get; set; }
        public virtual ICollection<t> prd5 { get; set; }
    }

    public class ProductContext : DbContext
    {
        public DbSet<t> prd { get; set; }
        public DbSet<t> prd1 { get; set; }

        public DbSet<t> prd2 { get; set; }
        public DbSet<t> prd3 { get; set; }
        public DbSet<t> prd4 { get; set; }
        public DbSet<t> prd5 { get; set; }
}