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n-tier decisions

Hi all, I have read much on n-tier design, specifically, choosing TableAdapters and Datasets or choosing Custom Business Objects. I have spent 3 weeks reading the pros and cons and have still not started coding for fear of going down the wrong road. I know that a lot of answers will be 'depends on...

Posted to Architecture (Forum) by ElCapitan on 04-02-2008, 12:00 AM
Filed under: N-Tier, bll, dal, design
Lazy Load Pattern and Circular Reference Problem

I have my project set up as above (please ignore the BusinessFacade library). I have these business objects/entities: Customer Delivery Address Card Details Email Preferences Now a Customer has 1 or more Delivery Addresses . Customer Class: Public Class Customer Private _DeliveryAddresses As List( Of...

Posted to Architecture (Forum) by scott@elbandit.co.uk on 08-24-2007, 12:00 AM
Filed under: N-Tier, Profile, 3tier, 3-Tier Architecture, 3-tier programming, architecture, assembly, Basic Architecture Design, Best Practices, bll, business, business logic layer, Class Design, classes, dal, design, design pattern, layered architecture, Lazy Load Pattern, ASP.NET Architecture
Returning error message to end-user

Guys, I am trying to learn proper design of a 3 tier application. One issue I am having a hard time with is returning errors and exceptions to the end user. Here is my scenario: I have a stored proc called CreateUser this requires 2 params (E-mail address and Password) and has @IsSuccess BIT for my return...

Posted to Architecture (Forum) by GD196 on 08-08-2007, 12:00 AM
Filed under: DAL, design
Which to use Implements or MustOverride - Inherit or Interface?

In my DAL I have an abstract class as below: Public MustInherit Class ClientProviderBase ' Method that builds a Collection of Clients from IDataReader Public Function GetClientsFromReader( ByVal reader As IDataReader ) As List(Of ClientData) ' .... End Function ' Method that builds a Client...

Posted to Architecture (Forum) by scott@elbandit.co.uk on 06-17-2007, 12:00 AM
Filed under: ntier, N-Tier, 3tier, 3-Tier Architecture, 3-tier programming, architecture, Basic Architecture Design, Best Practices, Class Design, dal, design
Is this the Factory Pattern? Abstract Class, Class libraries

hello I would like some help, I am designing a system and would like to know if I have the basics before I get to far into the project. Could you have a look at my project solution below and let me know what you think. Many thanks Scott. I have a simple test project set up like so: the class listing...

Posted to Architecture (Forum) by scott@elbandit.co.uk on 05-16-2007, 12:00 AM
Filed under: architecture, Basic Architecture Design, bll, business, business logic layer, Class Design, classes, dal, design, design pattern, interface, inheritance, Patterns & Practices, ASP.NET Architecture