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ASP.NET Core – What It Is & Why Use It? ASP.NET Core – What It Is & Why Use It? 🔹 1️⃣ What is ASP.NET Core? ASP.NET Core is a cross-platform, open-source framework for building modern, high-performance web applications and APIs. It is the successor to ASP.NET and is designed for scalability, performance, and flexibility . 🌍 Key Features: ✅ Cross-Platform – Runs on Windows, macOS, and Linux . ✅ High Performance – Faster than traditional ASP.NET due to Kestrel web server . ✅ Unified Framework – Supports MVC, Razor Pages, Web APIs, Blazor . ✅ Dependency Injection (DI) – Built-in support for DI. ✅ Minimal & Modular – Uses middleware pipeline for efficient processing. ✅ Cloud-Ready – Works seamlessly with Azure, AWS, Docker, Kubernetes . ✅ Security – Supports JWT, OAuth, OpenID Connect for authentication. 🔹 2️⃣ Why Use ASP.NET Core? 1️...

Creating Your First ASP.NET Core Application Creating Your First ASP.NET Core Application 🚀 In this guide, you'll learn how to create, run, and test your first ASP.NET Core application using .NET SDK, Visual Studio, or VS Code . 🔹 1️⃣ Prerequisites Before you begin, ensure you have the following installed: ✅ .NET SDK ( Download ) ✅ Visual Studio 2022 (Community Edition) ( Download ) ✅ OR Visual Studio Code ( Download ) ✅ C# Extension for VS Code 🔹 2️⃣ Create an ASP.NET Core Web Application 🛠 Option 1: Using .NET CLI (Command Line Interface) 1️⃣ Open a terminal or command prompt 2️⃣ Run the following command to create a new web application: dotnet new web -o MyFirstAspNetApp cd MyFirstAspNetApp 3️⃣ Open the project in VS Code (Optional) code . 🛠 Option 2: Using Visual Studio 1️⃣ Ope...

1️⃣ What is .NET? 🔹 .NET (Dotnet) is a free, open-source, cross-platform framework developed by Microsoft for building various types of applications, including: Web Applications Desktop Applications Cloud Services Mobile Apps Game Development IoT Applications 🔹 Key Characteristics of .NET ✅ Cross-platform – Runs on Windows, macOS, and Linux ✅ Language Interoperability – Supports multiple languages, including C#, F#, and VB.NET ✅ High Performance – Optimized runtime for fast execution ✅ Managed Code – Uses the Common Language Runtime (CLR) ✅ Automatic Memory Management – Uses Garbage Collection (GC) 2️⃣ Evolution of .NET .NET Framework (2002) – The original, Windows-only version .NET Core (2016) – A cross-platform, modular, open-source version .NET 5+ (2020-Present) – A unified platform (merging .NET Framework and .NET Core) 🔹 Current Version : .NET 8 (Latest as of 2024) 🔹 Major Components of .NET .NET Runtime – Execut...

Understanding ASP.NET Core Project Structure ASP.NET Core follows a structured and modular approach. Let's break down the key components of a typical ASP.NET Core project. 🔹 1️⃣ Project Structure Overview 📂 MyAspNetApp/ ├── 📄 Program.cs ➝ Application Entry Point ├── 📄 appsettings.json ➝ Configuration Settings ├── 📂 wwwroot/ ➝ Static Files (CSS, JS, Images) ├── 📂 Controllers/ ➝ Handles HTTP Requests (MVC API) ├── 📂 Models/ ➝ Defines Data Structures ├── 📂 Views/ ➝ Handles UI Rendering (Razor Views for MVC) ├── 📂 Middleware/ ➝ Custom Request Processing Logic 🔹 2️⃣ Program.cs - Application Entry Point This is where the ASP.NET Core app starts . It registers services , configures middleware , and sets up the request pipeline . Example Program.cs File: var builder = WebApplication.CreateBuilder(args); // Add services to the container builder.Services.AddControllersWithViews(); // Enables MVC var app = builder.Build(); // Configure Middleware P...

Installing .NET SDK & Setting Up Visual Studio or VS Code Installing .NET SDK & Setting Up Visual Studio or VS Code 🔹 1️⃣ Install .NET SDK What is .NET SDK? The .NET SDK (Software Development Kit) includes everything you need to build and run .NET applications , including: ✅ .NET CLI (Command Line Interface) ✅ Runtime and Libraries ✅ Build Tools and Compiler 🛠 Step 1: Download & Install .NET SDK 1️⃣ Go to the official .NET download page: https://dotnet.microsoft.com/download 2️⃣ Select the latest version of .NET SDK (e.g., .NET 8.0 ). 3️⃣ Choose your OS: Windows: Download the .exe installer. Mac: Download the .pkg file. Linux: Follow the terminal commands provided on the website. 4️⃣ Run the installer and follow the setup instructions. ...

Google reCAPTCHA implementation ASP.NET C# Steps to implement Google reCAPTCHA in your website using technologies such as ASP.NET C#, ASP.NET web API, HTML and javascript. First you need to use your google account to login to Google reCAPTCHA  to register a new site. Add a label of your choice in the label section and for web implementation select the reCAPTCHA V2 radio button. Next in the domain section you can add several domains, for testing purposes you can add localhost also followed by another domain in the next line. Accept the terms and conditions and click on the button register. After you click register, google will generate a site key and a secret key and  instructions how to integrate it on both client and server side. Create ASP.NET Web API Next step is to open Microsoft Visual Studio and create a new project by selecting File > New from the menu bar and then select Project.  Select ASP.NET Web Application(.NET Framework) in the p...

Creating Controllers & Actions in ASP.NET Core MVC In ASP.NET Core MVC, Controllers are responsible for handling incoming HTTP requests and returning an appropriate response. Actions are methods within controllers that handle specific requests and provide the logic for what should happen when those requests are made. 1. Understanding Controllers Controllers are classes in ASP.NET Core that contain action methods . Each action method corresponds to a route in the application and performs a specific task, such as displaying a view or handling user input. Syntax : public class ControllerNameController : Controller { // Action methods go here } A controller class typically ends with "Controller", e.g., ProductController , HomeController . The Controller class inherits from the base class Controller provided by ASP.NET Core. 2. Creating a Basic Controller Let’s create a controller to handle product-related actions in a simple e-commerce applicat...