3-Tier Architecture in ASP.NET

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Hi All.

I have a question that If I am using 3-tier architecture using DAL, BLL, PL.
Can you people let me know where should I locate CRUD (create, update, delete) methods.
In DAL or BLL?

Thank You.

Posted 23-Mar-11 21:26pm

Mohd Wasif

Updated 23-Mar-11 22:28pm

Pavel Yermalovich

v2

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Mahendra.p25 · Answer 1 · 2011-03-23T21:30:00

Solution 1

Presention layer is used for UserInterface etc

Bal Layer is used for your properties and methods

and in Dal layer you can do your all
database queries,connection ado operations

Posted 23-Mar-11 21:30pm

Mahendra.p25

TweakBird · Answer 2 · 2011-03-23T21:50:00

Solution 2

What Mahen25 said is correct. 'DAL' Means 'Data Access Layer'(you can do all data related operations)

See this link[^].

P.S: First try in google. I am searched with keyword '3 tier architecture', got Google Results[^]

Posted 23-Mar-11 21:50pm

TweakBird

Pavel Yermalovich · Answer 3 · 2011-03-23T22:31:00

Solution 3

I recommend you this book to read to get solid understanding of .NET Enterprise Architecture.

Posted 23-Mar-11 22:31pm

Pavel Yermalovich

lekhya15 · Answer 4 · 2011-03-23T22:35:00

Solution 4

hi,

U have to place CRUD in DAL (dat access application Block )which is Directly interacting with Back End then u have to call that in BLL

Thanks®ards
Lekhya

Posted 23-Mar-11 22:35pm

lekhya15