public static T GetBContext()
        {
            T _logdata = CallContext.GetData("DBContext") as T;
            if (_logdata == null)
            {
                _logdata = new T();
                CallContext.SetData("DBContext", _logdata);
            }
            return _logdata;
        }

        protected static TObjectContext ObjectContext
        {
            get
            {
                // We are in a web app, use a request scope
                if (HttpContext.Current != null)
                {
                    
                    string key = "____" + typeof(TObjectContext).Name;
                    TObjectContext _objectContext = (TObjectContext)HttpContext.Current.Items[key];
                    if (_objectContext == null)
                    {
                        _objectContext = Activator.CreateInstance<TObjectContext>();
                        HttpContext.Current.Items.Add(key, _objectContext);
                    }

                    return _objectContext;
                }
                else
                {
                    //If this is not a web app then just create a datacontext
                    //which will have the same lifespan as the app itself
                    //This is only really to support unit tests and should not
                    //be used in any production code. A better way to use this
                    //code with unit tests is to mock the HttpContext
                    if (_objectContext == null)
                    {
                        _objectContext = Activator.CreateInstance<TObjectContext>();
                    }

                    return _objectContext;
                }
            }
        }