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I'm using the following code within the JCProperty class to retrieve data from a DAL:
Dim x As JCProperty x = JCPropertyDB.GetProperty(PropertyID) If Not x Is Nothing Then Me.PropertyID = x.PropertyID Me.AddressLine1 = x.AddressLine1 Me.AddressLine2 =...
Started by Simon on
, 6 posts
by 6 people.
Answer Snippets (Read the full thread at stackoverflow):
This means that I can plug in any data-layer completely different....
My approach has been to abstract the Data-Layer and Business layer via an interface and provide an anonymous data layer fed into the business object.
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We are developing a web application. We want to possibly reuse the work we do here for a different application that will use the same database, and use the same business rules for reading and writing to said database.
Which design would be more correct...
Started by The Murph on
, 6 posts
by 6 people.
Answer Snippets (Read the full thread at stackoverflow):
So the UI talks to the business....
Check Out: http it.
And your data layer starts to cross boundaries that a Data access layer or Business logic layer;Web Service->Business Layer->Data Layer ) is a good choice.
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I think BLL is about Data. It should not include a method called SendEmail. BLL is a place for caching data, manipulating it, doing calculations related to business. Sending email is a business process but the code which actually send the email should...
Started by Costa on
, 7 posts
by 7 people.
Answer Snippets (Read the full thread at stackoverflow):
I'd probably move the SendMail to cache data for performnace reasons, and so to say that caching is business specific would layer rather than the ....
The DAL is all about Data.
Business (hence Business Logic Layer).
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Ask your Facebook Friends
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Business Layer, Data Access Layer. Is there any resource to learn how to make relation between Business layer classes with Data Access layer classes?
Started by odiseh on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
A must have, if you really want ....
That's basically the approach we're adopting in the .Net world .
Have a look at these microsoft guidelines : It's a start point !
I've written here a post on stackoverflow which might also help you in getting the idea .
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I have to study about data mining using SQL Server. As I know, Business Intelligence in SQL Server supports data mining, but I'm not pretty sure.
Does BI really support data mining? How can I start with data mining with SQL Server? I mean, resources such...
Started by Vimvq1987 on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
Http readying into specific subjects such as "....
SQL Services Integration Services The combination of three will allow you to mine data, perform Worker InfoCenter" as the information presented is mostly for the attention of data analysts.
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Can anyone point to any good 'beginners walkthroughs' for the Business Data Catalog in MOSS 2007 Enterprise? It seems to be very powerful, but all the official guides assume preexisting knowledge.
Started by Moo on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
As a start:
http://channel9.msdn.com/shows/In+the+Office/Introducing-the-Business-Data-Catalog-BDC/ http://blah.winsmarts.com/2007-4-SharePoint_2007__BDC_-_The_Business_Data_Catalog.aspx
Take a look Developer's Guide to ....
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I'm working on a Data Warehouse which, in the end, will require me to create reports based on business hours. Currently, my time dimension is granular to the hour. I'm wondering if I should be modifying my Time dimension to include a bit field for "business...
Started by madcolor on
, 8 posts
by 8 people.
Answer Snippets (Read the full thread at stackoverflow):
Once that is setup, it would be a simple If (SpecificHour >://office.microsoft.com/en-us/performancepoint... .
If done times to specify the business hours.
When the data is loaded).
To determine what is and isn't a business hour up-front (i.e.
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What are your favorite ways to encapsulate LINQ to SQL entity classes and data-context classes into business objects?
What have you found to work in a given situation?
Have you invented or taken to any specific patterns?
Started by roosteronacid on
, 8 posts
by 8 people.
Answer Snippets (Read the full thread at stackoverflow):
In ....
Right now I'm trying to use LINQ to SQL entity classes as business objects, to pass them around , so your database layout can change without changing the business objects!
I'd be most interested and was worried about the performance.
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If you have, for example, a database table called Person (ID,Name etc) what kind of object should the data access tier return to the business tier? I'm thinking something like this:
//data access tier public class DataAccess{ public interface IPerson{...
Started by mdresser on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
The DAO classes in the data tier return objects from the business....
Or, as it seems you are doing, create DTOs (Data business tier from the Data Access tier.
And hand them off to your business layer for consumption.
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Typically I have added data validation, such as checking that an input is within a certain range, in the data models found in my Data Access Layer. Searching the web I've seen that there are two schools of thought on the matter:
Adding the validation ...
Started by Phil Laliberte on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
However, business layer should also validate its input data separately and should if a certain....
I usually define in the database itself and DAL.
Of the business/domain logic since that logic determines what counts as valid data.
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