C# Version HisotryC# Language FeaturesInstalling Visual StudioC# Basic Project StructureHello Wolrd, first C# program
Variables in C# Explicitly typed variables in C#Implicitly typed variables in C#Constants in C#Data types in C#Integral data types in C#Floating-point data types in C#Comparison between Float, Double and DecimalChar data type in C#String data type in C#Boolean data type in C#DateTime data type in C#Enumeration data type in C#Array data type in C#Object data type in C#Dynamic data type in C#Anonymous data type in C#Nullable data type in C#Type casting in C#Type safety in C#Literals in C#Operators in C#Ternary Operator in C#Null coalescing Operator in C#Tilde(~) Operator in C#Keywords in C#Namespace in C#Nullable Types in C#Nullable Helper Class in C#Characteristics of Nullable typesC# Difference between "int" and "int?"
Block statement in C#Empty statement in C#Jump statements in C#Break statement in C#Continue statement in C#Difference between continue and breakGoto statement in C#Return statement in C#Throw statement in C#Yield keyword in C#Checked statement in C#Unchecked statement in C#Lock statement in C#Using statement in C#Enum/Enumeration in C#If-Else statement in C#Switch statement in C#What is a loop in C#?For loop in C#While loop in C#Do while loop in C#Foreach loop in C#Nested loop in C#Infinite loop in C#
C# Method or FunctionC# Method Parameters and ArgumentsC# Method OverloadingC# Return StatementsC# Static vs. Instance MethodsC# Method ModifiersC# Method Signatures and Naming ConventionsC# Function Documentation and CommentsC# Value Type ParametersC# Ref Type ParametersDifference between Value and Ref TypeC# Out ParametersDifference between Ref and out parametersC# Optional parametersAre Nullable types reference types in C#"
Exception Handling in C#Types of exception in C#Try catch finally in C#finally block in C#try block without catch blockMultiple catch blocks in exceptionCatch multiple exceptions in C#Base class of exception in C#finally block execution in C#finally block execution in case of errorFinally and return statementWays to use try-catch-finallyException throw from finally block"throw" and "throw ex" in C#Differene between finalize() and finallyInner exception in C#Error types in C#Catch multi exception by single catch blockUser defined/custom excetion in C#Compile and run time exception in C#Difference between "error" and "exception"System and application exception in C#Exception handling abuse in c#?
C# String BasicsC# String ManipulationC# String FormattingC# String Comparison and SearchingC# StringBuilder ClassC# Regular ExpressionsC# Unicode and EncodingC# String Parsing and ConversionDifference between "string" and "String"C# String Escape SequenceC# Mutable and Immutable ConceptProve that string is immutableString value stored in memoryDifference between string and stringbuilderOverride the tostring() method
Enum/enumeration in C#Can you inherit enum in C#?Convert enum to stringConvert enum to list in C#Cast int value to enum in C#Get int value from enum in C#Convert string to enum in C#Usage of enum in switch case statementLoop through all enum valuesUse tilde(~) with Enum
Main() method basics in C#More than one "Main()" method in C#Static Main() method in C#Overload Main() method in C#Override Main() method in C#Access modifiers of Main() method in C#Non-static method in C#Main() method arguments and return typeasync Main() method in C#Class without Main() method in C#Main() method rules in C#
Recursion in C#Base condition in recursion in C#Recursive Algorithms in C#Tree traversal using recursion in C#Stack overflow error in recursionBack tracking using recursionIndirect recursion in C#Recursive data structures in C#Tail Recursion in C#Recursive problem solvingRecursion vs Iteration
C# File and File InfoC# StreamReader and StreamWriterC# FileStream and BinaryReader/BinaryWriterC# Directory and DirectoryInfo ClassesC# File PathsC# File and Directory OperationsC# File Exceptions and Error HandlingC# File Serialization and DeserializationC# File System Watcher
What is array?Single dimension arrayMulti dimension arrayJagged arrayParam arrayArray with multi data typesDifferent data types from object arrayArray with non-default valuesArray methods and propertiesArray manipulation techniquesArray sorting algorithmsArray Searching algorithms(linear, binary search)Array finding maximum and minimumArray of Reference Types
C# GenericsC# Generic Constraints
C# ArrayListC# Array vs ArrayListC# ListC# SortedListC# DictionaryC# HashtableC# Dictionary vs HashtableC# HashSetC# Hashtable vs HashSetC# StackC# Queue
C# IEnumerableC# IEnumeratorC# ICollectionC# IListC# IDictionaryC# IDisposableC# IComparableC# IEquatableC# ICloneableC# IQueryableC# INotifyPropertyChangedC# INotifyCollectionChangedC# IFormattableC# IAsyncResultC# IComparerC# IEqualityComparerC# IHttpHandlerC# IHttpModule
C# DelegatesC# Single-Cast DelegateC# Multi-Cast DelegateC# Generic DelegatesC# Func DelegateC# Action DelegateC# Predicate DelegateC# Anonymous MethodsC# EventsDifference Between Event & DelegateDifference Between Interface & DelegateC# Covariance and Contravariance
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What is C#.NET

C#.NET is a programming language created by Microsoft. It's used to build different types of software, like apps and websites, and it's part of the .NET framework, which provides tools for developers. C# (pronounced "C sharp") is known for its versatility and is used in various industries to create all sorts of programs. It's a popular choice because it's relatively easy to learn and has a lot of resources available for developers.

Here are some key points about C#.NET:

  1. C# Language: C# is an elegant, type-safe, and object-oriented language that shares similarities with other C-style languages like C, C++, and Java. It was designed to be easy to learn and read, with features that promote strong typing, memory management, and scalability.
  2. .NET Framework: The .NET framework provides a robust set of libraries and runtime components that support various programming tasks, including web development, desktop applications, mobile apps, cloud services, and more. It includes frameworks like ASP.NET for web development, Windows Forms and WPF for desktop applications, and Xamarin for mobile app development.
  3. Common Language Runtime (CLR): When you write C#.NET code, it is compiled into an intermediate language called Common Intermediate Language (CIL) or Microsoft Intermediate Language (MSIL). The CLR is responsible for executing this CIL code during runtime, making it possible to run C#.NET applications on different platforms and operating systems.
  4. Cross-Platform Support: With the introduction of .NET Core (later .NET 5 and .NET 6), C# and the .NET framework have become cross-platform, allowing developers to build applications that can run on Windows, macOS, and Linux.
  5. Integrated Development Environment (IDE): Microsoft's Visual Studio is the primary IDE used for C#.NET development. It offers a rich set of tools and features that streamline the development process, including code completion, debugging, testing, and deployment capabilities.
  6. Language Features: C# is regularly updated with new language features and improvements, keeping it up-to-date with modern programming practices and enabling developers to write cleaner and more efficient code.

In summary, C#.NET refers to the use of the C# programming language in conjunction with the .NET framework to create a wide variety of applications for different platforms and purposes. C#.NET is liked by many because it uses a flexible language and a strong system. It's good for people making software for Windows and other things.

Who is this course for?

This course is for both new and skilled developers. It goes step by step, from easy stuff to harder ideas. The lessons use real-life examples to help you learn by doing. This way, you can use what you learn in real programming situations.

Key Features of C#

C# (C sharp) is a powerful and versatile programming language with numerous features that make it popular among developers. Some of the key features of C# include:

  1. Object-Oriented Programming (OOP): C# is designed around the principles of object-oriented programming, allowing developers to create and work with classes, objects, inheritance, encapsulation, and polymorphism, making it easier to organize and maintain code.
  2. Type-Safe Language: C# is a strongly typed language, meaning variables must have a specific data type declared at compile-time. This helps catch type-related errors early in the development process, leading to more reliable and robust code.
  3. Garbage Collection: C# includes automatic memory management through a garbage collector. It automatically releases memory occupied by objects that are no longer in use, simplifying memory management and reducing the risk of memory leaks.
  4. Language-Integrated Query (LINQ): LINQ is a powerful feature in C# that allows developers to perform querying and data manipulation directly within the language, making it easier to work with collections, databases, XML, and other data sources.
  5. Asynchronous Programming: C# supports asynchronous programming with the async and await keywords, enabling developers to write more responsive and scalable applications that can efficiently handle concurrent operations.
  6. Delegates and Events: C# supports delegates and events, allowing developers to implement the observer pattern and create event-driven architectures, making it easier to build interactive applications.
  7. Properties and Indexers: C# provides properties, which are a cleaner and safer alternative to traditional getter and setter methods, making it easier to work with object properties. Indexers enable objects to be accessed using array-like syntax.
  8. Methods: C# allows developers to extend existing types by adding new methods without modifying their original code, providing a way to improve the functionality of existing classes.
  9. Partial Classes: C# supports partial classes, allowing the definition of a class to be split across multiple files. This feature helps organize large classes and promotes team collaboration.
  10. XML Documentation: C# supports XML documentation comments, which can be used to generate documentation automatically for code elements, enhancing code readability and maintainability.
  11. Exception Handling: C# provides a comprehensive exception handling mechanism that allows developers to catch and handle errors in a structured manner, preventing application crashes.
  12. Iterators: C# includes iterator methods that simplify the implementation of custom enumerators, making it more convenient to work with collections and sequences.
  13. Platform Independence: With .NET Core and later .NET 5 and .NET 6, C# has become cross-platform, enabling developers to build applications that run on Windows, macOS, and Linux.

The simplicity, scalability, and integration of C# with the .NET framework along with key features, they are contributing C# popularity and making it suitable for wide range of application development scenarios.

Which types of Applications are developed by C#

C# is used to develop a wide range of applications across various domains due its versatile programming. Some of the common types of applications developed using C# include:

  1. Desktop Applications:
    • Windows Forms Applications: C# is commonly used to build Windows desktop applications using the Windows Forms framework, creating applications with graphical user interfaces (GUI).
    • WPF Applications: C# is also used to develop Windows Presentation Foundation (WPF) applications, which offer more advanced and modern UI capabilities compared to Windows Forms.
  2. Web Applications:
    • ASP.NET Applications: C# is a primary language for building web applications using ASP.NET or ASP.NET Core, creating dynamic and feature-rich websites and web services.
    • Blazor Applications: C# can also be used with Blazor to build web applications using Razor syntax and WebAssembly, allowing for full-stack development with C#.
  3. Mobile Applications:
    • Xamarin Applications: C# is used in Xamarin to create cross-platform mobile applications for iOS, Android, and Windows, enabling code sharing across multiple platforms.
  4. Cloud and Web Services:
    • RESTful APIs: C# is widely used to develop RESTful web APIs, facilitating communication between client applications and servers in web-based services.
    • Azure Functions: C# can be used in Azure Functions, enabling serverless computing to build event-driven, scalable, and cost-effective applications.
  5. Game Development:
    • Unity Game Development: C# is a popular scripting language for game development using the Unity game engine, enabling developers to create 2D and 3D games.
  6. Database Applications:
    • C# can be used to develop database applications and interact with various database systems using technologies like Entity Framework or ADO.NET.
  7. Machine Learning and Data Science:
    • C# can be used in conjunction with ML.NET to develop machine learning models and data science applications.
  8. Internet of Things (IoT) Applications:
    • C# can be used in IoT applications that require data processing, communication with cloud services, and interaction with connected devices.
  9. Office and Productivity Toolsv:
    • C# can be used to build custom add-ins and extensions for Microsoft Office applications like Excel, Word, and Outlook.
  10. Financial and Business Applications:
    • C# is often used to develop financial and business applications, such as accounting software, CRM systems, and enterprise resource planning (ERP) solutions.

These are just a few examples of the wide range of applications that can be developed using C#. C# is a strong language that can make lots of different kinds of software for lots of different jobs and industries.

What you will learn from this C#.NET Course?

In these tutorials for C#.NET, you'll gain knowledge from the fundamentals to advanced C# concepts. These tutorials will guide you through a progression from basic to advanced C# topics, assisting you in developing a solid grasp of the language. Some of them are as follows:

  1. C# Introduction
  2. C# Basics
  3. Statements and Loops
  4. Methods/Functions and Parameters
  5. Exception Handling
  6. Strings in C#
  7. Enum Or Enumerations
  8. Main() method in C#
  9. Recursion
  10. File Handling in C#
  11. Array in C#
  12. C# Generics
  13. C# Collections
  14. C# Interfaces
  15. Events, Delegate and Lambda
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