In this post we’ll learn What is C#? and about its important fundamental concepts. C# is one of the famous Microsoft programming languages. C# is object-oriented programming language and follow all OOP concepts and it was developed early in year 2000. In below section we have shared important concepts of C# which may addon to your knowledge and can also help while cracking interviews.

C# is a certified programming language (by ECMA & ISO). It is used to develop all kind of applications that may be web, desktop. It also helps developer in developing a robust, secure, and portable applications. Using C#, we can develop web applications, console applications, mobile applications, windows applications, backend services, web API, webservice, microservices etc.

What will you learn from this C# Section?

C# Error Handling

• Multiple Catch block in C#
• Finally Block in C# with Examples
• Nested Try- catch block | Handling inner Exceptions

C# Constructors:

• Private Constructor with Examples
• Static Constructor in C# with Examples

C# Pointers:

• Pointers in C# | Should read this
• Pointers and use of Unsafe code in C#
• Reference type and Value type

C# Fundamentals

• C# | Keywords
• C# | Operators
• C# | Literals
• C# | Identifiers

C# Data Types

• C# | Data Types
• C# | Difference Between int.Parse() and int.TryParse()
• What is the difference between const and readonly in C#?
• How to iterate over Enum in C#?

String

• C# | String
• string Vs. String in C#
• Select Random String from An Array in C#
• String Interpolation in C#
• How to Compare Strings in C#
• C# | String Format()
• C# | String IndexOf()
• String.Split() Method
• C# | IsNullOrWhiteSpace() Method
• C# I IsNullOrEmpty() Method

Queue-Enqueue

• C# | Queue with Examples
• C# | Queue.Enqueue() Method

Data Structure

• Data Structure
• What is linear data structure?
• What are Non-linear Data Structures?

Threads

• Thread Lock in C#
• How to Debug Multithreaded Program

Collections

• Generics in C#
• Array List in C#

Delegates

• Delegate in C#

Interview Context:

• ADO.NET interview | Let’s Check out
• Interview Section C# & DB

General C# Topics

• What Is New in C# 10?
• Extension method in C#
• Optional parameters / Default arguments in C#
• All about Abstract class in C#
• ref vs out
• HTML URL Encoding
• AutoMapper in C# with Examples
• Dependency Injection in C#
• How to read XML using C#
• How to get the Current Executable’s path in C#
• How to send web request to URL for getting data
• How to remove HTML tags from string in C#
• How to Create Word Document Using C#

Control statement

• C# | Loops
• C# | Decision Making
• C# | Switch Statement
• C# | Jump Statement

.NET Framework

• .NET Framework Fundamentals
• Common Language Runtime

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• C# | Method Overloading
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• C# | Method Overriding
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• C# | Method Parameters
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• C# | Inheritance
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• C# | Encapsulation
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• C# | Abstraction
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• ArrayList in C#
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• C# | String
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• C# | Jump Statements
  In C#, Jump statements are used to transfer control from one point to another point in the program due to some specified code while executing the program. There are five… Read more: C# | Jump Statements
• C# | Decision Making
  Decision making in programming is similar to decision making in real life. Even in programming, you need to execute a certain block of code if a condition is met. Programming… Read more: C# | Decision Making
• C# | Keywords
  Keywords or reserved words are words in a language that are used for internal processes or represent predefined actions. Therefore, these words cannot be used as variable names or objects.… Read more: C# | Keywords
• C# | Switch Statement
  In C#, Switch statement is a multiway branch statement. It provides an efficient way to transfer the execution to different parts of a code based on the value of the… Read more: C# | Switch Statement
• C# | loops
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• C# | Operators
  C# | Operators are the basis of any programming language. Therefore, the functionality of the C# language is incomplete without the use of operators. Operators allow you to perform different… Read more: C# | Operators
• C# | literals
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• C# | Data Types
  Data types indicate the kind of data that a valid C# variable can contain. C# is a strongly typed programming language. In C#, each data type (integer, character, floating point,… Read more: C# | Data Types
• C# | Identifiers
  Programming languages ​​use identifiers for identification. In other words, an identifier is a user-defined name for a program component. In C#, an identifier is a class name, method name, variable… Read more: C# | Identifiers
• Build Vs. Rebuild Vs. Clean
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• Difference Between int.Parse() and int.TryParse()
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• Data Structure
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• Optional Parameters
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• Extension method in C#
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• Generics in C#
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• Static Constructor in C#
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• Private Constructors in C#
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• Finally Block in C#
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• Nesting of try-catch block in C#
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• Multiple Catch Blocks in C#: should read
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• Pointers and use of unsafe code in C#: should read
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• Pointers in C#
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• String is Reference Type or Value Type
  In this article we’ll discuss whether string is reference type or value type. Most of the time this question is asked in interview. String is reference type but always behave… Read more: String is Reference Type or Value Type
• What Is New in C# 10?
  In this article you will learn top 5 features of C# 10 Version.
• What is C#?
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• DOT NET Framework Introduction
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• Common Language Runtime
  In this article, we’ll discuss the CLR i.e., Common Language Runtime in .NET Framework. Please check out the brief of DOT NET Framework in our last article. I hope after reading… Read more: Common Language Runtime
• Interview Questions and Answers
  This article will cover top .NET Interview Questions and Answers and is designed for Students, beginners as well as experienced professional developers who want to prepare an interview for .NET… Read more: Interview Questions and Answers
• Ado.Net Interview Questions
  In this article you will get list of Ado.Net Interview Questions at one place. It is designed for beginners as well as experienced professional developers who want to prepare an… Read more: Ado.Net Interview Questions
• C# Interview Questions
  In this article we’ll cover “C# Interview Questions” which will clear your doubts about C#. NET and helps you in cracking the interview. What is OOP? OOP is the abbreviation… Read more: C# Interview Questions

SQL Section

SQL

How to enable SQL Server authentication

CC Team

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SQL

Set Transaction Isolation Level in SQL 

CC Team

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SQL

Is SQL NOLOCK bad practice?

CC Team

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SQL

SQL Paging using OFFSET and FETCH

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SQL

Aggregate and Summarize Totals with SQL SUM

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SQL

How to use SQL ORDER BY in Your Queries

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SQL

How to Take SQL Server Database Offline/Online

CC Team

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SQL

How to generate SQL table script with data

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SQL

SQL server column encryption using symmetric key

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Note: All C# fundamental will be published on the portal soon. If you want any specific topic, please comment below or email us on info@codeconfig.in, we’ll try to publish that topic as earliest as possible.

You can find more details about C# on Microsoft Learn.