/// <summary> /// Wrapper to cache the membership provider key (id) from the request cache /// </summary> /// <param name="key"> /// The key. /// </param> /// <returns> /// The <see cref="string"/>. /// </returns> protected string MembershipProviderKey(Guid key) { return((string)Cache.RequestCache.GetCacheItem(CacheKeys.CustomerMembershipProviderKey(key), this.GetMembershipProviderKey)); }