Answer Questions
Mattias Sjogren Entity Aggregation in the BLL/DAL world
Hi all, I've started to read the paper about entity aggregation ( http://msdn.microsoft.com/library/default.asp url=/library/en-us/dnbda/html/dngrfSOAChallenges-EntityAggregation.asp ) and I've started to wonder - In layered service programming, where you have the service interface, the business process, business components and data components, we sometimes want to do an aggregation of entities (for example - an order might contains the order ...Show All
Jaison LB OO design question.
I'm trying to figure out a good way of looking this.. I have a "Product" class ( which is the fullblown class having all the child info and such ) and I have a subset class we'll call "ProductSummary" ( where it is used as an instance of OrderItems - when people are ordering products ) which doesn't have any child info - at least for now. I also want a very lightweight instance, we'll call "ProductInfo" ( and make it a struct ) ...Show All
lamp Datasets as the DAL?
I was wondering if using datasets/adapters/datatables is a good way to manage my data access layer, or if I should keeping using this generic database library one of my friend wrote. Thanks, John The decision should most likely be determined by the type of application you are building, and where it will run. Using data adapters / datasets / data tables can be quite fast to code, but incur a larger memory / CPU footpri ...Show All
Sunghwa Jin How to properly manage requirements?
Hi guys, I'm having a bit of a hard time managing the requirements for the application I'm currently working on. I'm currently using a product called Enterprise Architect from Sparx (http://www.sparxsystems.com.au/) to manage the requirements and do the general design. What I did so far was to collect and filter all requirements and categorize them. For example, there are requirements pertaining to the message list , task manager , connection m ...Show All
prashant52197 N-tier layer separations and connection/interaction
I happen to be experimenting based on some examples I've found on the net but I want to be directed to the right path, those samples tend to be incomplete or misleading. In a typical N-tier scenario, which should reference which And is the use of Data Transfer Object in accordance to any best practice that maybe existing Accordingly, how does those layers supposed to connect/interact with one another eg. what does BLL passes to the DAL and w ...Show All
GuyFawkes Message vs Service.
EmailValidation message vs EmailValidation Service. SOA is mostly about services and messages. Rather than create a number of services with different names would it be recomended if we create 1 generic service and have it request/reply messages. For ex: EmailValidation service. Instead of creating a service for email validation, create a validationService and have it process all the validation messages for the application. Just wondering how ...Show All
Svend Tofte Data Modelling Tool in Visual Studio 2005
Is there any data modelling tool / feature available in Visual Studio 2005 Thanks Sandor. We are using Sparx EA to produce our diagrams and data dictionaries. It uses UML syntax, so you would need to be familiar with that. This Book cover the UML syntax. Hi amit lohia I have just started working with Visio for Enterprise Architect and find that the ORM (object role modeling) is a ...Show All
Michiel000 UI Design: Edit then List vs List then Edit
Today I was thinking about the way I build UIs (List the Edit) and the way most people I know build UIs (Edit then List) and the relation that the way you build you UI has with the way you store the data you manipulate in you UI. So I wrote an article about that in my blog: http://luxspes.blogspot.com/2006/04/ui-design-edit-then-list-vs-list-then.html And would like to hear opinions about it... and perhaps get ideas to build some kind ...Show All
DeveloperZero Dependency between Business and DAL - Problems with unit testing
We just started to reorganize our code and are separating the DAL from the Business. We have also started playing with unit testing, but we've come up with a few problems. 1) Unit testing the DAL. Yes, we've noticed that this is not a trivial task, and are looking at using the com+ / service enterprise approch. The quuestion is: Are there any help for adding rollback option built into the Team Systems 2) Unit testing the Business. Quite a ...Show All
DaveHinATL Message vs Service.
EmailValidation message vs EmailValidation Service. SOA is mostly about services and messages. Rather than create a number of services with different names would it be recomended if we create 1 generic service and have it request/reply messages. For ex: EmailValidation service. Instead of creating a service for email validation, create a validationService and have it process all the validation messages for the application. Just wondering how ...Show All
robbieh101 Message vs Service.
EmailValidation message vs EmailValidation Service. SOA is mostly about services and messages. Rather than create a number of services with different names would it be recomended if we create 1 generic service and have it request/reply messages. For ex: EmailValidation service. Instead of creating a service for email validation, create a validationService and have it process all the validation messages for the application. Just wondering how ...Show All
Sumesh Nair A good second book about arquitecture
Hello I have finished "pro scalable application in .net 2.0" which was nice. Now I want to read another book about architecture. What do you recomend I think Domain-Driven Design: Tackling Complexity in the Heart of Software is a good option, do you know another Thanks. Tim, Can you comment on why you like Software Architect Bootcamp. I've thought about reading it, but it doesn't have good reviews on Amazon. ...Show All
jpmv the best orm for .net?
I would like to know your favorites, i am looking for a free one and with caching capabilities. I would highly recommend nHibernate. It has a slight learning curve, but once you know how to use it, it's very easy to be very productive with it. It includes support for caching and supports native SQL querying if you choose. appreciated........ . writes too fast sometimes........ ...Show All
Shams Zia My Architecture Framework
I hope you won't consider this abuse I recently completed the initial blogging about my architecture framework (SAF) - which I believe can be of interest for this forum here is a quote from my site : What is SAF There is very little guidance on how one can go about designing/developing an architecture for a software project. The SPAMMED architecture framework ( SAF ) aims to help fill this gap. ...Show All
大頭仔 Contract first - what tools do you recommend?
Hajo, I know about addin from Thinkcenture but I'm wondering if you use other tools, addins, etc. In my opinion the future will look something like what Christian Weyer and Ed Bakker are attempting with the DSL toolkit. Christian is from Thinktexture so he would be a great person to help lead this evolution. Go read this blog: http://www.edwardbakker.nl/ Thanks, and how the present looks like ;) I know this blog and DSL ...Show All
