ASP.NET Core MVC Mastery

Introduction to ASP.NET Core MVC Microsoft Web Stack Overview Evolution of ASP.NET Environment Setup Layouts & Partial Views in Razor Core Concepts Project Structure Startup Flow Middleware Pipeline Creating Project CLI Commands wwwroot & Static Files MVC Architecture Dependency Injection (DI) Service Lifetimes ViewData vs ViewBag TempData ViewModel Pattern Conventional vs Attribute Routing Custom Constraints Razor View Engine Layouts & Sections View Components ViewResult JsonResult RedirectResult Form Helpers Custom HTML Helpers Built-in Tag Helpers Custom Tag Helpers FromQuery vs FromRoute Complex Binding Data Annotations Remote Validation Fluent Validation Cookies & Sessions TempData Action Filters Authorize Filters Anti-forgery DbContext Migrations LINQ Relationships Repository Pattern Unit of Work Clean Architecture File Upload/Download PDF/Excel Generation Request Lifecycle Bundling & Minification Deployment Caching Strategies Async Programming Secure Coding Razor Pages vs MVC E-Commerce Web Application Employee Management System

// Real-world DI Example
public class ProductService : IProductService {
    private readonly IRepository _repo;
    public ProductService(IRepository repo) {
        _repo = repo;
    }
    // ... logic
}