Last post Dec 21, 2009 07:07 PM by rtpHarry
Dec 21, 2009 07:07 PM|rtpHarry|LINK
The ProviderUserKey gives access to a unique identifier for each of the members in your membership data store. If you're doing a large amount of lookup's or want to cross link to another table you will find this technique will give you better performance
than using the UserName property.