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how to implement web services in a 3 tier architecture?

Posted By:      Posted Date: October 05, 2010    Points: 0   Category :ASP.Net
 

Hi could any one help me,how to implement web services in a 3 tier architecture and also give a brief idea about how to implement coding as soon as possible.




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Writing codes using three tier architecture.

  

Hello all.

I am a beginner in c#.I heard that writing program with three tier architecture are easy and maintainable.

I just wanted to know with a small example on how to write three tier architecture programs.


Thanks :-)


services based architecture

  

was giving a though on using ajax enabled wcf services as part of architecture

generally wht im using

is UI-> BL-> data access

 

is it suggestable to use wcf services layer instead

of BL

nd hv UI-> services-> data access

related to asp.net

 

would like to no pro's and con's of doing this thing.

is it suggestable to do it. 


3 tier architecture in ASP.NET

  

Hi i want to develop an application in asp.net using 3 tier architecture . 

i know that there are three layers

  1. Data layer
  2. Business Layer
    1. Data Access Layer
    2. Business Logic Layer
  3. Presentation Layer

I am confused between Data Access Layer and Business Logic Layer.

In data access layer we develop the property classes and main class function which returns datasets, datatables and data reader to Presentation layer.

what is the use of Business Logic Layer ? what actually we do in Business logic Layer ?? we can pass data directly from data access layer to presentation layer ?? can anyone give any small example to understand ??


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I am using ASP.NET (C# and sql server express 2005) for my web application project. I have three related tables.I want to do an insert using typed datasets,tableadapters and three tier architecture.I wish to know how to do simultaneous inserts in 3 tables.So i wish to insert a row in first table and get its primary key.Same with the second table.I will use the primary keys of those first two tables to do the insert in the third table.How can i accomplish this using formview control and what methods should i use??Please give me suggestions.thanks in advance for reading this. I really appreciate it.

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Hello,

In ASP.NET 2.0, I found Scott Mitchell's series on the 3-Tier Architecture supremely helpful for organizing reasonably complex web applications: http://www.asp.net/learn/data-access/tutorial-01-cs.aspx

I'm wondering how to incorporate ASP.NET 3.5 technology (namely, LINQ), into this same presentation / business logic / data access model for application development.

For developers that wanted to forgo sprocs altogether, would the:

  1. O/R Mapper be used to create the data access layer?
  2. Class files for LINQ to create the business logic layer (though this really seems like data access)?

Thanks for any insights!

 


need help to finish this sample project - using 3 Tier architecture

  

hi friends, i ma new to asp.net, i am just learning asp.net using this site and some resources from internet , internet is the only source for me.  and here  i have a project that should be designed by the patter of 3 tier architecture. i have an idea, but i couldn't start it, need your guidance, if i did this , it will very useful for me to get a job. please help me.  


these are the requirements and steps. 



Please find below the steps, we follow up.
1. Develop a Sample project in 3 Tier architecture in .Net 3.5 using VS 2005 or 2008 and MS SQL 2005 Express 
(Login page, User session handled inner page with a listing of data, provision to insert and update data)
2. Coding should be of standards as per document attached
3. No Hard Coding instead, values should be placed in constants, config file and retrieved.
 Particularly DB connection.
4. Stored Procedures should be used for Data insert, retrieval and update.
5. Sample Project should have implemented Client as well as Server side field validations
6. Data Classes, Try Catch for transactions in code should be used


and 


Where to store file locations in 3-Tier Architecture Website?

  

In my website I have reference to some file locations as follows:-
string Path = Server.MapPath(".\\HelpFiles\\FileDirectory\\");
        string Path1 = Server.MapPath(".\\HelpFiles\\FileDirectory\\File1.xml");
        string Path2 = Server.MapPath(".\\HelpFiles\\FileDirectory\\File2.xml");       
        string Path3 = Server.MapPath(".\\HelpFiles\\FileDirectory\\File3.xls");
At present I have stored these locations in the Defau
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