RE: Pointed in the right direction?

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Hi Eric,

Based on my understanding, your question is how to use the Provider design
pattern in your application. Please feel free to post here if I've
misunderstood anything.

The theory of this pattern is that it allows to define a well-documented,
easy-to-understand API, but at the same time give developers complete
control over the internals of what occurs when those APIs are called.
Defined, a provider is simply a contract between an API and the Business
Logic/Data Abstraction Layer. The provider is the implementation of the API
separate from the API itself. For example, the Membership feature has a
static method called Membership.ValidateUser(). The Membership class itself
contains no business logic; instead it simply forwards this call to the
configured provider. It is the responsibility of the provider class to
contain the implementation for that method, calling whatever Business Logic
Layer or Data Access Layer is necessary.

To learn how to use this design pattern, you may read the source code of
built-in ASP.NET 2.0 Membership, Role Management, Site Navigation, Session
State, Profile, Web Events, and Web Part Personalization providers:
http://weblogs.asp.net/scottgu/archive/2006/04/13/Source-Code-for-the-Built_
2D00_in-ASP.NET-2.0-Providers-Now-Available-for-Download.aspx

Or you can learn from how to implement the Provider design pattern in
ASP.NET 1.1:
http://msdn.microsoft.com/asp.net/downloads/providers/default.aspx?pull=/lib
rary/en-us/dnaspnet/html/asp04212004.asp

Hope this helps. Please feel free to post here if anything is unclear.

Sincerely,
Walter Wang (wawang@xxxxxxxxxxxxxxxxxxxx, remove 'online.')
Microsoft Online Community Support

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