Examples of Connected and Disconnected Approach in ADO.NET

Today I will give some examples of the Connected and Disconnected Approach in ADO.NET. Basically, the ADO.NET library in .NET Framework provides the functionality for database access. This library offers lots of classes and methods for fetching and manipulating data from any data source. The following examples demonstrate how to perform database operations using these two approaches. As …

New Features in C# 9

In this post, I will discuss several New Features of C# 9. In fact, the latest release of C# has added many new features for making coding easier. Here, I will explain Records, Init-Only properties, Top-Level statements, module initializers, and use of new(). Following are the New Features in C# 9 The important New Features …

IEnumerable and IEnumerator Interfaces

IEnumerable and IEnumerator Interfaces in C# have been implemented by a number of collection classes. Basically, these interfaces provide the functionality for traversing the elements of a collection. Basically, IEnumerator is something that can enumerate or visit the elements of a collection. Therefore, if any class implements IEnumerator, it has the ability to enumerate a collection. On …

KeyValuePair and its Applications

Today I will discuss KeyValuePair and its Applications. Basically, it is a collection in C# that combines two objects together – one is called a key, and another one is called a value. Essentially, it is a generic struct. The namespace System.Collections.Generic contains the KeyValuePair struct. Creating a KeyPaluePair We use the constructor KeyValuePair<TKey, TValue)(k, v) to create its instance as shown below. …

C# Root Class – Object

In this post, I will explain C# Root Class – Object which every class inherits from. Specifically, each type in C# has a base class, whether it is a reference type or a value type. Particularly, this base class is called Object. Also, the Object class provides several methods that any class can either use or override. …

Access Modifiers in C#

In this post on Access Modifiers in C#, I will explain various types of access modifiers in C# that we can use with a class and members of the class. Basically, an access modifier is a keyword that determines where a class member is visible in the application. In brief, the access modifiers determine the …

Learning Properties in C#

In this post on Learning Properties in C#, I will talk about an important member of a C# class called the Property. Usually, we have private fields in a class that we can manipulate using methods. However, many times we don’t need to do anything else with those private fields except setting and getting their …