<div>
you can read the topic to understand more N-Tier Architecture and Bussiness Layer<br />
<a href="http://www.tonymarston.net/php-mysql/3-tier-architecture.html" rel="ugc">http://www.tonymarston.net/php-mysql/3-tier-architecture.html</a><br />
<a href="http://www.codeproject.com/Articles/439688/Creating-ASP-NET-application-with-n-tier-architect" rel="ugc">http://www.codeproject.com/Articles/439688/Creating-ASP-NET-application-with-n-tier-architect</a>
</div>


you can read the topic to understand more N-Tier Architecture and Bussiness Layer
http://www.tonymarston.net/php-mysql/3-tier-architecture.html [http://www.tonymarston.net/php-mysql/3-tier-architecture.html]
http://www.codeproject.com/Articles/439688/Creating-ASP-NET-application-with-n-tier-architect [http://www.codeproject.com/Articles/439688/Creating-ASP-NET-application-with-n-tier-architect]

<div>
I truly appreciate your help on taking time to write above. Wow, that helps alot.
</div>


I truly appreciate your help on taking time to write above. Wow, that helps alot.

<div>
<div class="content wysiwyg-content">
In this section, &quot;Creating Business Access Layer (BAL): &nbsp; (RecordBAL.cs)&quot;, I do understand the code. What I don't fully understand is is that all there is for Business layer? I don't understand how it benefits by just return data? <br />
<br />
&nbsp;&quot;//and return the result to the caller of the method.<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; return rdAL.RetrieveRecords(); &quot;&nbsp;<br />
<br />
&quot;&nbsp;Its responsibility is to validate the business rules of the component&quot; &nbsp;&lt;&lt;&lt; If you have a sample, could you help me out what this mean? <br />
<br />
<a href="http://www.mindstick.com/Articles/d36ceb0f-018c-4979-b2f5-a4a1e616cb5b/?N-Tier%20Architecture%20in%20ASP.NET" rel="ugc">http://www.mindstick.com/Articles/d36ceb0f-018c-4979-b2f5-a4a1e616cb5b/?N-Tier%20Architecture%20in%20ASP.NET</a>
</div>
</div>


In this section, "Creating Business Access Layer (BAL):   (RecordBAL.cs)", I do understand the code. What I don't fully understand is is that all there is for Business layer? I don't understand how it benefits by just return data? 

 "//and return the result to the caller of the method.
            return rdAL.RetrieveRecords(); " 

" Its responsibility is to validate the business rules of the component"  <<< If you have a sample, could you help me out what this mean? 

http://www.mindstick.com/Articles/d36ceb0f-018c-4979-b2f5-a4a1e616cb5b/?N-Tier%20Architecture%20in%20ASP.NET

N-Tier Architecture in ASP.NET

The successor to Active Server Pages, ASP.NET websites utilize the .NET framework to produce dynamic, data and content-driven web applications and services. ASP.NET code can be written using any .NET supported language. As of 2009, ASP.NET can also apply the Model-View-Controller (MVC) pattern to web applications