C# Programming Corner

1. XOR Operator in C# and Its Properties

   The XOR operator (`^`) in C# is essential for bitwise operations, comparing binary values bit by bit. It is used for tasks like encryption, error detection, and data manipulation.

2. Understanding Sealed Classes in C#

   Sealed classes in C# are a vital concept in object-oriented programming, preventing other classes from inheriting them. This ensures a secure and stable class hierarchy by stopping further extension.

3. Detailed Explanation of Builder Design Pattern in C#

   The Builder design pattern is a creational pattern used to construct complex objects step by step. It separates the object's construction from its representation, allowing for varied configurations and ensuring immutability.

4. Encapsulation, Inheritance, and Polymorphism in C#

   In this article, we will learn how to encapsulate data for security, leverage inheritance for code reuse, and implement polymorphism to create flexible and scalable applications.

5. How to Start a Project in C#?

   This article guides you through starting a C# project, including setting up Visual Studio or Visual Studio Code, creating a new project, and configuring essential features like dependency injection, configuration management, and logging.

6. Wrapper Class vs. Object Composition with UseCase

   Explore Wrapper Classes and Object Composition in object-oriented programming. Learn how wrappers adapt interfaces and enhance functionality without altering code, ideal for legacy systems.

7. String.Join vs Loops in C#

   String.Join vs. Loops: C#" explores the efficiency and performance differences between using String.Join and traditional looping methods for string concatenation in C#.

8. Discard Variable in C# .NET

   The discard variable (_), introduced in C# 7.0, allows developers to ignore values intentionally. It enhances code clarity by signaling unused data in tuples, pattern matching, out parameters, and LINQ queries, promoting cleaner, more efficient, and maintainable programming in .NET applications.

9. C# Abstract Class with Examples

   Explore the fundamentals of C# abstract classes through clear examples and detailed explanations. Learn how abstract classes facilitate code reusability and polymorphism in object-oriented programming, with practical demonstrations of their usage and implementation in C#.

10. Differences Between IEnumerable and IQueryable in C#

    Explore the nuances between IEnumerable and IQueryable in C#. Understand how these interfaces differ in data retrieval and manipulation, with a focus on performance implications and suitable use cases.

11. Understanding JSON Web Tokens (JWT)

    JSON Web Tokens (JWT) are a popular method for securely transmitting information between parties as a JSON object. This article explores the fundamentals of JWT, including its structure, encoding, and common use cases in authentication and authorization.

12. Polymorphism Concept OOPS

    Polymorphism in C# involves method overloading (multiple methods with the same name but different parameters), method overriding (subclass provides specific implementation of a method in the parent class), and method hiding (subclass hides a method from the parent class).

13. Left and Right Shift operators in C#

    This article delves into the intricacies of left and right shift operators in C#. You'll learn how these bitwise operators work, their syntax, and practical applications.

14. Exploring Advanced Error Handling Techniques in C#

    Error handling is a crucial aspect of software development, ensuring that applications can gracefully handle unexpected situations and maintain robust functionality. In C#, error handling is typically managed using exceptions.

15. Object Inheritance and Object Composition in Object Oriented Programming

    This content delves into two fundamental concepts of Object-Oriented Programming (OOP): object inheritance and object composition. It explores how inheritance enables class hierarchies and polymorphism, allowing for code reusability and extension.

16. The Unit of Work Pattern in C# for Modern Applications

    Explore the Unit of Work pattern in C#, essential for modern application development. Discover how it facilitates efficient database operations, manages transactions with Entity Framework, and enhances the scalability and maintainability of your data access layer.

17. Getting started with gRPC in .NET 8 using C# 12

    Using C# 12 and gRPC in .NET 8, Ziggy Rafiq guides you through setting up your environment, defining services, and developing client and server applications with gRPC.

18. C# Discriminated Unions and .NET Channels

    Explore the advanced features of C# with a focus on Discriminated Unions and .NET Channels. Learn how Discriminated Unions enhance type safety and pattern matching, and how .NET Channels facilitate concurrent and asynchronous programming.

19. Interface Vs Abstract Class

    This article delves into the differences between interfaces and abstract classes in object-oriented programming. It explores their roles in languages like Java and C#, highlighting key concepts such as inheritance, polymorphism, and abstraction.

20. Understanding the Art of C# Generics

    Unlock the power of C# Generics with our comprehensive guide. Master best practices, explore advanced scenarios, and elevate your coding skills with this in-depth C# Generics tutorial. Learn to write efficient, flexible, and type-safe code for a wide range of scenarios, ensuring optimal performance.

21. Sealed Class VS Abstract Class with Real-time Cases

    This article explores the differences between sealed and abstract classes, providing real-time case studies to illustrate their use in software development. Learn how sealed classes restrict inheritance, while abstract classes serve as blueprints for other classes.

22. TaskCompletionSource in .NET to Convert Async Non Task to Async Task

    TaskCompletionSource<T> in .NET allows manual creation and control of tasks, enabling custom async patterns and adapting non-task-based APIs. With methods like SetResult, SetException, and SetCanceled, it facilitates complex asynchronous operations, event handling, and integration, enhancing code flexibility and readability.

23. Injecting Dependencies of Different Lifetimes in .NET Applications

    Understanding dependency lifetimes in .NET is crucial for effective dependency injection. Singleton instances persist throughout the application's lifespan, scoped instances are tied to specific requests, and transient instances are short-lived.

24. Retrieving Entity Record IDs in CRM Plugin D365 CE

    Unlock the methods to efficiently retrieve entity record IDs in Dynamics 365 Customer Engagement (D365 CE) CRM plugins. This guide explores step-by-step processes, best practices, and tips for developers to enhance their CRM customizations.

25. Custom Controls in C# Windows Forms

    Creating custom controls in C# Windows Forms enhances user experience by providing tailored functionalities. This guide covers deriving controls, combining multiple controls into composite ones, and implementing owner-drawn controls.

26. Exploring Advanced Error Handling Techniques in C#

    Error handling is a critical aspect of software development. It ensures that your applications can gracefully handle unexpected situations, maintain stability, and provide meaningful feedback to users. In C#, the .NET framework offers robust mechanisms for error handling.

27. Detailed explanation of Abstract Factory design pattern

    The Abstract Factory design pattern is a creational pattern that provides an interface for creating families of related or dependent objects without specifying their concrete classes.

28. How to use the Abstract Factory Pattern in C# with the Interface Pattern

    Learn how these design patterns improve flexibility, scalability, and maintainability in software development by exploring the Abstract Factory Pattern and Interface Pattern in C# with Ziggy Rafiq. Become proficient in object-oriented design by taking advantage of practical examples and implementing them step-by-step.

29. C# Method Designed to Make a POST Request to a Web API Endpoint

    This guide covers API integration in C#, detailing serialization, encryption, HTTP requests, and error handling. Learn how to set up an API integration method, handle responses, and follow best practices for security, error handling, and asynchronous operations to build robust and secure applications.

30. Authentication Methods in C#: From Basic to JWT and API Keys

    This article explores the history and implementation of authentication methods in C#, including Basic, Digest, Cookie, Session, Token (JWT), and API keys, highlighting their security features and practical applications.

31. Benefits of Locking and Unlocking Objects in C#

    Object locking in C# ensures controlled access to shared resources in multithreaded environments, preventing race conditions and maintaining data integrity. By using the lock statement, you can synchronize threads, ensuring thread safety and avoiding deadlocks.

32. Understanding C# Records with Example

    This article delves into the syntax and usage of records, comparing them with classes, and demonstrates how records can simplify code while improving performance and maintainability in .NET applications.

33. Design Patterns and Advantages of Different Design Patterns

    Design patterns are recurring solutions to common problems in software design. They provide a template for solving issues in a particular context. The advantages of using different design patterns include improved code reusability, maintainability, and scalability.

34. Learn Use of Lambda Operator in C#

    Explore the versatility of lambda expressions in C#, powerful tools for creating inline functions without the need for traditional method declarations. Discover their syntax, applications in LINQ queries, and how they enhance code readability and flexibility in modern C# programming.

35. Understanding Structs In C# with Example

    Structs in C# provide a lightweight alternative to classes, ideal for representing small, immutable data structures. Unlike classes, structs are value types stored on the stack, enhancing performance by reducing memory overhead and avoiding garbage collection.

36. Mastering the Null-Coalescing Operator in C#

    Learn how to efficiently handle null values in C# using the null-coalescing operator. This guide covers the syntax, practical applications, and advanced techniques to enhance your programming skills.

37. Comparing Performance: Regex vs String Methods in C#

    In C#, developers choose between Regex and string methods for manipulating strings. String methods are faster and more readable for simple tasks, while Regex excels in handling complex patterns and advanced text processing.

38. Understanding CQRS Design Pattern

    The CQRS (Command Query Responsibility Segregation) pattern separates the operations for reading and writing data in software architecture. It enhances scalability by segregating commands (writes) and queries (reads), promoting cleaner and more maintainable code.

39. Control Arduino Relay with Windows C# App

    This guide demonstrates how to control an Arduino board using a relay switch through a Windows application written in C#. By integrating Arduino with C# via serial communication, you can manage electrical devices efficiently.

40. Concurrency and Parallelism in C#

    This article introduces concurrency and parallelism in C#, covering key concepts, benefits, and practical examples. Learn how to use async/await for asynchronous programming and the Parallel class for parallel computing, enhancing application performance and responsiveness.

41. Unit Testing With MS Tests In C#

    Unit testing ensures code quality by validating individual functions or methods. It reduces regression testing efforts, enhancing software maintenance. Using frameworks like MS Test or NUnit, developers apply TDD principles to write test cases, ensuring robust applications.

42. Efficiency in Small Language Models: Foundations and Power

    Explore the cutting-edge realm of small language models with John Godel's comprehensive analysis in "Next Step of Efficiency." Delve into the mathematical underpinnings and algorithmic prowess that optimize these models, revolutionizing AI and NLP landscapes.

43. Exception Handling in C#

    Learn about defining methods, method overloading, return types, parameters, and access modifiers. Understand properties, including getters, setters, auto-implemented properties, and encapsulation techniques.

44. Methods and Properties in C#

    In C#, methods and properties are fundamental constructs used to define the behavior and state of objects. Understanding how to create and use methods and properties is essential for effective C# programming.

45. Enhancing Code Quality with Documentation in C#

    C# has ability to document code. It helps with readability and exploring code elements.

46. Understanding throw vs throw ex vs throw new Exception() in C#

    Explore the nuances of exception handling in C# .NET with a deep dive into 'throw', 'throw ex', and 'throw new Exception()'. Learn when to use each technique, their impact on stack traces and exception propagation, and best practices for effective error handling in your applications.

47. Optimizing LINQ Queries in C# and .NET Core Web APIs

    LINQ in C# optimizes data querying with readable syntax, but inefficient use can impact .NET Core Web API performance. Strategies like early filtering and selective projections enhance efficiency. Deferred execution via IQueryable delays query execution, optimizing database interactions.

48. A Simple FTP Client Using FluentFTP with Json Configuration in C#

    With the help of C# and FluentFTP, we can build a simple yet robust FTP client using this comprehensive guide by Ziggy Rafiq. This article describes how to set up a console application, integrate FluentFTP to transfer files seamlessly, and manage configuration securely using a JSON file.

49. Design Patterns with C# Examples

    This article explains design patterns, providing standard solutions for software design problems. It covers Creational, Structural, and Behavioral patterns with C# examples, including Singleton, Factory Method, Adapter, Composite, Observer, and Strategy patterns, enhancing code flexibility and maintainability.

50. Learn Action and Func Delegates in C#

    Learn about Action and Func delegates in C# to master delegate usage for different scenarios. Action delegates are for methods that return void, while Func delegates handle methods with return values.

51. Static Keyword In C#

    In this article, I'll discuss the C# static keyword, its purpose, and how to create static classes using C#. I'll also cover static variables, static methods, and static properties in C#.

52. C# .NET 8 SQL Bulk Insert Dapper vs BulkCopy vs Table-Value Params

    Explore the performance of SQL bulk insert methods in C# .NET 8 by comparing Dapper, BulkCopy, and Table-Value Parameters. This comprehensive analysis covers implementation details, efficiency, and best practices for optimizing large data insertions, helping developers choose the right approach for their projects.

53. Using C# and OpenXML to Read Large Excel Files

    Learn how to efficiently read large Excel files using C# and OpenXML in this comprehensive guide. Explore techniques to handle big data within Excel, leveraging the power of OpenXML SDK for performance optimization.

54. Pillars Of OOP/Overview Of OOP

    In this article you will get an overview of OOP. A programming model which is mainly organized around the objects is called Object Oriented Programming.

55. How To Convert Older C# Version to C# 12 With Example

    Many developers still use older versions of C# due to legacy codebases, corporate constraints, and familiarity with older language features. Upgrading can seem daunting, but modern versions of C# offer significant benefits such as better performance, enhanced features and improved security.

56. Contrast b/w 'KeyValuePair<TKey, TValue>' and 'Dictionary<TKey, TValue>' in C#

    This article explores the features and uses of KeyValuePair<TKey, TValue> and IDictionary<TKey, TValue> in C#. It highlights KeyValuePair's immutability and its use in representing single key-value pairs while emphasizing IDictionary's role in managing collections of unique key-value pairs with efficient operations.

57. Create Charts In PowerPoint Using C#

    Discover how to leverage the .NET Presentation library in C# to create column, pie, and combination charts for effective data visualization in PowerPoint. Enhance presentations with clear, insightful graphical representations, facilitating data-driven insights and comparisons across different chart types.

58. Free Book: C# Programming for Beginners

    Programming C# is a concise 56-page tutorial book aimed at beginners and students. Learn C# programming fundamentals, syntax, data types, and advanced topics like classes, arrays, and exception handling. Download Visual Studio 2017 Community for free to start coding in C#. Discover more free C# books and resources to deepen your knowledge.

59. StreamReader And StreamWriter Classes In C#

    Learn about StreamReader and StreamWriter classes in C#. These classes are essential for reading from and writing to files efficiently. Understand their usage for file handling tasks, including reading text files line by line or writing data to files.

60. Common Code Smell Mistakes In C#, Part One

    Learn about code smells—indicators of deeper issues in programming. Discover through examples like redundant boolean literals, explicit exception throwing, inefficient string concatenation, redundant conditional implementations, and exception rethrowing in finally blocks.

61. A Transaction Scope Or Nested Transaction

    A Transaction Scope or Nested Transaction in database management refers to managing atomic, consistent, isolated, and durable operations. It involves handling multiple database actions as a single unit, ensuring data integrity and reliability.

62. Different Types Of Constructor In C#

    Constructors in C# initialize objects upon creation. They ensure objects start in a defined state by setting initial values or performing necessary setup. Types include default (without parameters), parameterized (with inputs), copy (from another instance), static (for class-level initialization), and private (restricting instance creation).

63. Garbage Collection - Dispose Vs Finalize And IDisposable Pattern

    Explore Finalize, Destructor, IDisposable pattern in C# for managing unmanaged resources. Learn about memory management, Garbage Collector behavior, and IDisposable interface. Implement IDisposable for efficient memory cleanup and use Using block for automatic disposal, optimizing performance.

64. Fetching Data From XML File To SQL Database

    This article provides tips on creating an SQL table using an XML file and importing data into it. It covers creating a DataTable from an XML file, generating an SQL table from the DataTable, and using SQL's BulkCopy feature for efficient data import.

65. C# Comparison Fundamentals: Best Practices and Tips

    Comparison operations are a fundamental aspect of programming in C#. Whether you're comparing primitive types, strings, or objects, or handling null values, understanding the nuances of comparison can enhance both the performance and readability of your code.

66. Pagination in C#: Complete Guide with Easy Code Examples

    Discover how to implement pagination in C# with this comprehensive guide. Learn to use ASP.NET Core, Entity Framework, and LINQ for efficient data paging. This guide covers server-side and client-side pagination, using Skip and Take methods, handling pagination parameters, and provides easy code examples for seamless integration.

67. Connect To SAP Using C#

    Learn to connect to SAP with C# using SAP .NET Connector 3.0 for RFC and Web services. Implement ECCDestinationConfig and IRfcTableExtension classes. Access SAP functions, structures, and tables with IRfcFunction, IRfcStructure, and IRfcTable. Connect to SAP system, send data, and handle exceptions effectively.

68. OOPS Interview Questions - C#

    Here is a list of the most popular OOPS interview questions and answers explained. These OOPS interview questions are for both beginners and professional C# developers.

69. Memory Cache in C#

    Learn about optimizing web application performance through cache implementation. Understand various cache types like in-memory, persistent, and distributed caches. Explore methods to add, store, retrieve, and manage data in the cache using .NET MemoryCache.

70. Stack Vs Heap Memory - C#

    Explore the nuances of memory management in C# programming, distinguishing between value types and reference types, understanding dynamic and static memory allocation, evaluating access efficiency, recursion implications, handling StackOverflowException, and the role of garbage collection in managing memory resources efficiently.

71. Break in C#

    The "break" statement in C# is a control flow statement that terminates the nearest enclosing loop or switch statement. It is commonly used to exit a loop prematurely when a specific condition is met, improving code readability and efficiency.

72. Multithreading in C#

    In this article, we will learn Multithreading is a parallel way of execution where the application is broken into parts so that it can have more than one execution path at the same time.

73. IQueryable vs IEnumerable

    IQueryable vs IEnumerable" explores the differences between these two interfaces in C#. IQueryable is suitable for building dynamic queries against a database, allowing deferred execution and optimized query translation.

74. Comprehensive Guide to C# Programming for Developers

    C# (C sharp) is a versatile programming language by Microsoft, ideal for web, desktop, mobile, cloud, and gaming apps. It features strong typing, garbage collection, and extensive libraries.

75. The One Behind Concurrency in C#

    The Thread Pool in C# simplifies concurrency by managing threads for you. Unlike creating and managing threads yourself, the Thread Pool offers a pool of reusable threads, improving performance and reducing complexity. It's ideal for short-lived tasks like calculations or processing data.

76. C# Basic OOPs Concepts

    "Basic OOPs concepts in C# involve classes, objects, inheritance, encapsulation, and polymorphism. It includes access modifiers, constructors, and destructors, along with method overloading and overriding.

77. Working with binary large objects (BLOBs)

    BLOBs (Binary Large Objects) efficiently store large files (images, videos) in databases. Saving/retrieving them involves managing memory usage for optimal performance. This article explores C# techniques using FileStream and BinaryReader to break BLOBs into manageable chunks, ensuring smooth database interaction.

78. C#.NET - Access OAuth REST Web API Method

    C#.NET applications can access OAuth-protected REST APIs. You'll obtain an access token through OAuth flow (often via a separate request) and include it in the authorization header of your HttpClient calls.

79. CRUD Operation In C# Windows Application Using Store Procedure

    This guide explores implementing CRUD operations in a C# Windows Forms application using stored procedures. Learn to connect to SQL Server, execute stored procedures, and handle data efficiently.

80. Create Immutable Type In C#

    A public constructor that accepts initialization data is required so that the client can pass-in minimum state for the type to be valid. Private constructor, on the other hand, is used by methods to construct a new object and set its entire state.

81. The Simplicity of the New Terse Syntax [ Collection Expressions ]

    Explore the elegance of the latest terse syntax for collection expressions, offering unparalleled simplicity in programming. Dive into efficient coding techniques, optimized syntax, and enhanced readability, revolutionizing how you interact with collections in programming languages.

82. Custom Collection Classes in C#

    Learn how to create a custom collection class in C#, utilizing the Customer class with attributes. Implement and manage customer data with CollectionBase, including methods for adding, removing, and accessing customer instances. Explore auto-defined properties and List collections in C#.

83. Creating & Retrieving Records from Ms-Access 03 using Oledb in C#

    Learn how to efficiently create and retrieve records from an MS Access 2003 database using OLEDB in C#. This guide covers setting up the OLEDB connection, executing SQL commands, and handling data operations seamlessly.

84. TextPad Application in C#

    This C# code defines a simple text editor application in Windows Forms. It includes functionalities to open, save, clear text, and exit. File handling operations are performed using StreamReader and StreamWriter.

85. The Is and As Operators in C#

    In C#, the "is" operator checks if an object is of a specified type, returning a boolean. The "as" operator attempts to cast an object to a specified type, returning null if the cast fails. Both operators facilitate safe type conversions and runtime type checking, enhancing type safety and reducing exceptions in object-oriented programming.

86. New Year Application using C#.NET

    Develop a Windows app in C# .Net using the Microsoft Speech Object Library to deliver New Year wishes. Steps include adding the Speech Object Library reference, designing the UI with a Label, TextBox, and Buttons, and implementing code to speak the wishes using the SpVoice object.

87. Inserting & Retrieving records from M.S.Excel-2007 using oledb in C#.net

    This guide covers how to insert and retrieve records from Microsoft Excel 2007 using OLEDB in C#.NET. It explains setting up OLEDB connections, executing SQL commands for data manipulation, and handling Excel data within C# applications.

88. Guess the Celebrity

    Develop a Windows app for guessing celebrity images. Design includes labels, textboxes, buttons, and image browsing. Code validates password, hides buttons, and allows image loading. Note: Password is "pra".

89. Do While Loop in C#

    Do-while loop in C# guarantees execution of code block at least once. Syntax: do { /* Code */ } while (condition);. Steps involve code execution, condition evaluation, loop continuation, and termination. Example demonstrates printing numbers from zero to five.

90. Exception Filtering: A New Feature of C# 6.0

    Exception filtering, a notable addition in C# 6.0, enhances error handling by allowing catch blocks to specify conditions for exception handling. This feature, employing the 'when' keyword, enables developers to filter exceptions based on specific criteria, promoting clearer and more concise error management in code.

91. String Interpolation: A New Feature of C# 6.0

    The provided C# 6.0 code demonstrates the use of string interpolation, auto-implemented properties, and object initialization syntax. It showcases the nameof operator to retrieve variable names statically.

92. Auto Property Initializer: A New Feature of C# 6.0

    Auto Property Initializer, a feature in C# 6.0, simplifies property initialization by allowing default values to be assigned directly within property declarations. This enhances code readability and reduces verbosity, improving software development efficiency.

93. Synchronous Asynchronous Blocking Non-Blocking Concurrent Parallel Programming

    Explore the intricacies of programming paradigms with a comprehensive dive into synchronous, asynchronous, blocking, non-blocking, concurrent, and parallel execution.

94. Dictionary Initializers: A New Feature of C# 6.0

    Dictionary Initializers, a new feature in C# 6.0, streamline code by enabling concise initialization of dictionaries with key-value pairs. This enhances code readability and reduces verbosity in .NET programming, promoting efficient software development.

95. Mastering SOLID Principles in C# with Real-Time Examples

    Mastering SOLID principles in C# enhances software design by promoting maintainability, scalability, and robustness. These principles include Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, and Dependency Inversion.

96. Using Static Class Statements: A New Feature of C# 6.0

    C# 6.0 introduces Static Class Statements, simplifying code organization and enhancing readability by allowing static members to be imported directly, improving code maintenance and reducing verbosity in .NET programming.

97. Using Await in Catch and Finally Blocks: A New Feature of C# 6.0

    Discover the power of using 'await' in catch and finally blocks with C# 6.0. Explore how this feature revolutionizes error handling and asynchronous programming, improving code readability and efficiency.

98. Expression Bodied Members: A New Feature of C# 6.0

    C# 6.0 introduced Expression Bodied Members, leveraging Lambda expressions to simplify syntax, reduce code, and enhance readability. These members streamline method and property definitions, offering a concise alternative to traditional syntax, resulting in cleaner and more maintainable code.

99. Null Propagation Operator: A New Feature of C# 6.0

    On November 12, 2014, Microsoft announced Visual Studio 2015 Preview and C# 6.0, featuring the Null Propagation Operator. This operator simplifies null checks, reducing code complexity and bugs. It allows checking for null values in object reference chains using the ?. operator, streamlining error handling and improving code readability.

100. Nameof Operator: A New Feature of C# 6.0

     C# nameof operator returns the unqualified string name of a variable, type, or member. In this article, we will learn how to use the nameof operator in C# code example.