OOPS/C# Related Links

Here is some links for the OOPS concepts.
(1) ASP.NET article index from 4guysfromrolla.com

(2) Using Object-Orientation in ASP.NET : Overview

(3) 4GuysFromRolla.com-Orientation in ASP.NET : Encapsulation

(4) Understanding Interfaces and Their Usefulness

(5) Using Object-Orientation in ASP.NET: Inheritance

(6) 4GuysFromRolla.com-Orientation in ASP.NET: Polymorphism

(7) Abstract classes & methods

(8) Abstract Class versus Interface

(9) Method overloading# Tutorial

(10) Method Overriding in C#

(11) const, static and readonly at C# Online.NET (CSharp-Online.NET)

Difference between a constant and readonly variables/fields : (constant vs readonly)'s den...

(12) Generics in .NET 2.0

(13) System.Collections.Generic Namespace

An Introduction to C# Generics

Generic HashTable in C#.NET Forums


(14) The "Using" Statement in C#

C# Code Review# Using Statement - Try / Finally - IDisposable - Dispose() - SqlConnection - SqlCommand

Which is better, and when: using statement or calling Dispose() on an IDisposable in C#?

(15) var vs dynamic keyword in C# 4.0

C# 4.0-Dynamic Data Type, Difference between var and dynamic

(16) Indexer class in C#

(17) Yield statement in C#

(18) Partial Types, Class and Method in C#.NET 3.0/2.0

(19) DataSet Vs Datareader

(20) What is the difference between User Control and Custom Control

(21) The C# ?? null coalescing operator (and using it with LINQ)'s Blog

(22) Authentication and authorization in asp.net

(23) Application vs. AppDomain - Scott Forsyth's Blog
Enter the .Net AppDomain

(24) Understanding ASP.NET View State
What's better, a hidden form field or viewstate?

(25) Kodyaz Development Resources - Page.IsValid cannot be called before validation has taken place. It should be queried in the event handler for a control that has CausesValidation=True and initiated the postback, or after a call to Page.Validate.
Page.IsValid cannot be called before validation has taken place. It should be queried in the event handler for a control that has CausesValidation

(26) Regular Expression in C#
Regular Expressions Example

C# Regular Expression Recipes—Using Common Patterns at C# Online.NET (CSharp-Online.NET)

Regular Expressions Usage in C#

(27) An Intro to Constructors in C# - CodeProject

- Tips n Tricks for C#
(1) ASP.NET 2.0 Tips, Tricks, Recipes and Gotchas - ScottGu's Blog

(2) Simple ASP.NET 2.0 Tips and Tricks that You May (or may not) have Heard About - Dan Wahlin's WebLog

(3) Hidden Features of C#? - Stack Overflow

(4) C# 2010 - A look

(5) Simple Delegate Example ...

(6) Hidden Features of C#? - Stack Overflow

(7) C# 3.0/4.0 in a Nutshell - PredicateBuilder