Found 2749 Articles for Csharp

Delegates vs Interfaces in C#

Siva Sai
Updated on 24-Jul-2023 12:35:16

1K+ Views

Delegates and interfaces are both powerful constructs in C# that allow for flexible and extensible code. While they serve different purposes, they can sometimes be used to achieve similar ends, leading to confusion about when to use one over the other. This article will elucidate the differences and similarities between delegates and interfaces, and provide guidelines for their use. Understanding Delegates in C# A delegate in C# is a type that defines a method signature, and can hold a reference to a method. When a delegate is invoked, it calls the method it references. This provides a way to pass ... Read More

Default Interface Methods in C#

Siva Sai
Updated on 24-Jul-2023 12:33:59

293 Views

Default interface methods are a game-changing feature that allow developers to add new methods to an interface without breaking existing implementations. This article will explain default interface methods in C#, showing you how to use them effectively in your own code. Traditional Interface Methods in C# Traditionally, interfaces in C# could only contain declarations of methods, properties, events, or indexers, but not their implementations. Any class or struct that implemented the interface had to provide the implementation for each member of the interface. Introduction to Default Interface Methods Default interface methods were introduced to address the limitation of traditional interfaces. ... Read More

Cross Join in LINQ

Siva Sai
Updated on 24-Jul-2023 12:33:35

350 Views

Language Integrated Query (LINQ) is a powerful tool in C# for data manipulation, allowing for efficient and expressive data access and manipulation. One of the operations you can perform with LINQ is the cross join operation, which is common in database queries. This article will guide you through implementing a cross join in LINQ. Understanding Cross Join Cross join, also known as Cartesian product, is a type of join operation that matches each row of the first table with every row of the second table. If the first table has n rows and the second table has m rows, the ... Read More

Creating an Index From the Specified Index at the Start of a Collection in C#

Siva Sai
Updated on 24-Jul-2023 12:33:11

122 Views

In C#, manipulating collections is a frequent operation, with indexing being a crucial part of this process. Traditionally, indexing in C# starts from the beginning of a collection, which is very intuitive and straightforward. This article will guide you through the process of creating an index from a specified position at the start of a collection in C#. Understanding Indexing in C# In C#, you can access elements in an array or a collection using an index. The indexing process starts from the beginning of the collection, with the first element at index 0. Each subsequent element has an index ... Read More

Creating an Index From the End of a Collection at a Specified Index Position in C#

Siva Sai
Updated on 24-Jul-2023 12:32:32

121 Views

Indexing is a crucial part of any programming language, and C# is no exception. In C# 8.0, a new feature was introduced to create an index from the end of a collection at a specified position. This feature adds a new dimension to array and list manipulation in C#. This article will guide you through the process of creating an index from the end of a collection at a specified index position in C#. Understanding Indexing in C# Before proceeding, let's understand what indexing means in C#. In C#, you can access elements in an array or a collection using ... Read More

Count the Number of Element Present in the Sequence in LINQ?

Siva Sai
Updated on 24-Jul-2023 12:31:50

140 Views

Language Integrated Query (LINQ) is a powerful feature in C# that allows for efficient data manipulation. One common task when working with collections is determining the number of elements in a sequence. This article will guide you through using LINQ to count the number of elements in a sequence, a fundamental operation for data analysis and manipulation. Understanding LINQ and Sequences LINQ is a set of technologies based on the integration of query capabilities directly into the C# language. With LINQ, you can query data from a variety of sources, including arrays, enumerable classes, XML documents, relational databases, and third-party ... Read More

Converting Enumerated type to String according to the Specified Format in C#

Siva Sai
Updated on 24-Jul-2023 12:30:58

127 Views

Enumerations (enums) are a powerful feature in C# that allows you to define a type with a set of named constants. Often, you may need to convert an enum value to a string for display purposes or to process it further. This article will guide you through the process of converting an enumerated type to a string according to a specified format in C#. Understanding Enumerated Types in C# Before proceeding with the conversion process, let's first understand what enumerated types are. An enumerated type, or enum, is a distinct type that consists of a set of named constants. Here's ... Read More

Converting a String to its Equivalent Byte Array in C#

Siva Sai
Updated on 24-Jul-2023 12:30:14

1K+ Views

String manipulation is a common task in C# programming. In certain cases, you might need to convert a string into its equivalent byte array, such as when dealing with encryption, file I/O, or network communication. This article will walk you through the process of converting a string to a byte array in C#, illustrating the power and flexibility of C# in handling various data types. Understanding Strings and Byte Arrays in C# Before diving into the conversion process, let's understand what strings and byte arrays are in C#. In C#, a string is a sequence of characters, while a byte ... Read More

Convert String to Character Array in C#

Siva Sai
Updated on 24-Jul-2023 12:29:28

1K+ Views

In C# programming, you'll often find yourself needing to perform operations on individual characters within a string. In such scenarios, converting a string into a character array can be highly useful. This article will provide an in-depth guide on how to convert a string to a character array in C#, a fundamental skill in many programming tasks. Understanding Strings and Character Arrays in C# In C#, a string is a sequence of characters, while a character array (char[]) is an array that stores individual characters as its elements. For example, consider the following string and character array − string word ... Read More

Convert a Character to the String in C#

Siva Sai
Updated on 24-Jul-2023 12:28:31

228 Views

Character manipulation is a common task in many programming applications. This article will guide you through the process of converting a character to a string in C#, an essential operation in various programming scenarios such as data parsing, formatting, and more. Section 1: Understanding Characters and Strings in C# Before we dive into the conversion process, let's first understand what characters and strings are in C#. A character (char) in C# represents a single character and is denoted inside single quotes, while a string is a sequence of characters enclosed in double quotes. Here is an example of a character ... Read More

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