Solved

C# newbie question

Posted on 2009-05-19
5
177 Views
Last Modified: 2012-05-07
Hi.  My question is that if I have an Data Access Layer that writes to a DB, then a Rules layer that inherits the DAL, then a presentation layer that inherits the Rules Layer, how can I keep the methods in the DAL hidden from the presentation layer??
0
Comment
Question by:suicehockey44
  • 3
  • 2
5 Comments
 
LVL 11

Expert Comment

by:saragani
ID: 24422714
0
 

Author Comment

by:suicehockey44
ID: 24422752
I see. But doesn't the Sealed class eliminated the possibility of any inheritance??? I want the Rules layer to inherit the DAL.  BUT, I do not want the other class, which inherits the Rules Layer to have access to the methods in the DAL...perhaps I am not following sealed closely enough.
0
 
LVL 11

Accepted Solution

by:
saragani earned 500 total points
ID: 24422769
Oops sorry. I didn't read your question right... You want to prevent the inheritance of functions (not classes).. My bad.

It cannot be done... Any public method is being inherited by the child class.


The only way I can thing of is that the child class will implement an interface and then then you work with the presenter, you will always work with it using an interface object.
0
 

Author Comment

by:suicehockey44
ID: 24422801
Ok sorry I should've been more clear. Thank you and I will try using an interface.
0
 
LVL 11

Expert Comment

by:saragani
ID: 24422838
I've looked for a short example on the Internet for you:
http://stackoverflow.com/questions/106383/c-can-publicly-inherited-methods-be-hidden-e-g-made-private-to-derived-class


And you've been clear enough...  it's just me ending 11 hours of work in front of the computer and visual studio.
(Lucky me, this day is over :-) )
0

Featured Post

Free Tool: Postgres Monitoring System

A PHP and Perl based system to collect and display usage statistics from PostgreSQL databases.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Real-time is more about the business, not the technology. In day-to-day life, to make real-time decisions like buying or investing, business needs the latest information(e.g. Gold Rate/Stock Rate). Unlike traditional days, you need not wait for a fe…
Performance in games development is paramount: every microsecond counts to be able to do everything in less than 33ms (aiming at 16ms). C# foreach statement is one of the worst performance killers, and here I explain why.
Nobody understands Phishing better than an anti-spam company. That’s why we are providing Phishing Awareness Training to our customers. According to a report by Verizon, only 3% of targeted users report malicious emails to management. With compan…

820 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question