MVC logic

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• 

  Tuhin Paul4mo agoPosted Apr 9, 2026, 9:36 AM

  Learning Model-View-Controller (MVC) is a significant milestone in software architecture. To clarify your confusion about Entity Framework (EF): EF is not MVC. MVC is a design pattern for the UI, while EF is a tool for data access.
• 

  Darshan Adakane5mo agoPosted Mar 29, 2026, 5:47 AM

  Hello Suzan

  MVC (Model-View-Controller) is a design pattern that separates an application into three parts.

  • Model ? Represents data and business logic (e.g., classes + DB interaction)

  • View ? UI layer (Razor .cshtml) used to display data

  • Controller ? Handles HTTP requests, interacts with Model, and returns View

  Request Flow

  User ->Controller -> Model -> Database->

  View -> User

  Entity Framework vs Without EF

  • With EF Core (Recommended)

    • ORM (Object Relational Mapper)

    • No need to write SQL manually

    • Faster development, cleaner code

  • Without EF (ADO.NET)

    • Manual SQL queries

    • More control but more boilerplate code

  Simple MVC + SQL Server Example (EF Core)

  Model

  public class Employee
  {
      public int Id { get; set; }
      public string Name { get; set; }
      public string Department { get; set; }
  }
  

  DbContext

  public class AppDbContext : DbContext
  {
      public AppDbContext(DbContextOptions options) : base(options) { }
      public DbSet Employees { get; set; }
  } 

  Controller

  public class EmployeeController : Controller
  {
      private readonly AppDbContext _context;
  
      public EmployeeController(AppDbContext context)
      {
          _context = context;
      }
  
      public IActionResult Index()
      {
          var data = _context.Employees.ToList();
          return View(data);
      }
  
      [HttpPost]
      public IActionResult Create(Employee emp)
      {
          _context.Employees.Add(emp);
          _context.SaveChanges();
          return RedirectToAction("Index");
      }
  }

  Key Points

  • MVC ensures separation of concerns

  • Controllers should be lightweight

  • EF Core simplifies DB operations

  • Use Dependency Injection for DbContext

  Use MVC + EF Core for most applications to keep code clean, maintainable, and scalable, while ADO.NET is useful when fine-grained SQL control is required.

  Hope this answer helps. If yes, please mark as accepted answer.