what is dal,bl,dto in .net [Resolved]

Posted by Rajesh081725 under ASP.NET on 11/6/2012 | Points: 10 | Views : 3379 | Status : [Member] | Replies : 5
hi,
can any one know
what is DAL,BL,DTO with given some example .net.

Time is Gold
Thanks & Regards,
Rajesh Kumar,
9962038582.



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Posted by: Bageshkumarbagi on: 11/7/2012 [Member] Starter | Points: 50

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Dear Rajesh

I am giving some url which is useful for you.

http://www.codeproject.com/Articles/8824/C-Data-Transfer-Object
http://dotnetstories.wordpress.com/2008/11/26/working-with-dal-data-access-layer-bllbusiness-logic-layer-in-aspnet-web-applications/
http://stackoverflow.com/questions/11259679/3-layer-architecture-passing-data-between-layers
http://www.codeguru.com/vb/gen/vb_misc/oop/article.php/c7063/Data-Transfer-Object-Pattern-Goes-VBNET.htm

Thanks,
Bagesh Kumar Singh
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Posted by: Krv on: 11/7/2012 [Member] Starter | Points: 25

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DAL - Data access layer - It does all the functionalities related to connecting database, fetching records, executing scripts, etc..
Tomorrow in case, if you want to change the database from sql to oracle or mysql, u need to do changes only in this layer.
BL - Business Layer - It has all the business related logic, validation and rules.
DTO - Data transfer object. It transfers the data throught out the application (from DAL to BL to PL)

Thanks,
R.Vasanth
MCTS(SQL Server & BI)
http://bigdatatech.blogspot.com

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Posted by: Rajesh081725 on: 11/7/2012 [Member] Bronze | Points: 25

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Hi vasanth,
i want more informating about that question.
can u give some simple example because this point is not satisfied.

Time is Gold
Thanks & Regards,
Rajesh Kumar,
9962038582.

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Posted by: Bageshkumarbagi on: 11/7/2012 [Member] Starter | Points: 25

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dear Rajesh

UI (Presentation Layer)
BLL (Business Logic Layer)
DAL (Data Acces Layer)
DTO(Data Transfer Object)

Thanks,
Bagesh Kumar Singh
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Posted by: Bageshkumarbagi on: 11/7/2012 [Member] Starter | Points: 25

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hi Rajesh
if you clear you problem then plz mark as answer.


Thanks,
Bagesh Kumar Singh
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