Exception (special case — when an error occurs) Tip: Filters with a lower Order value run first. Example: Follow : [MyActionFilter(Order = 1)] [MyLoggingFilter(Order = 2)] ⚒ 14. How do you create a custom action filter?

Short answer: public class LogActionFilter : ActionFilterAttribute public override void OnActionExecuting(ActionExecutingContext context) Console.WriteLine($"Action: {context.ActionDescriptor.DisplayName}"); Use it: [LogActionFilter] public IActionResult Index() => View(); 📤 15.

Explain a bit more

How do you pass data from controller to view?

Example code

public class LogActionFilter : ActionFilterAttribute public override void OnActionExecuting(ActionExecutingContext context) Console.WriteLine($"Action: {context.ActionDescriptor.DisplayName}"); Use it: [LogActionFilter] public IActionResult Index() => View(); 📤 15. How do you pass data from controller to view? public class LogActionFilter : ActionFilterAttribute public override void OnActionExecuting(ActionExecutingContext context) Console.WriteLine($"Action: {context.ActionDescriptor.DisplayName}"); Use it: [LogActionFilter] public IActionResult Index() => View(); 📤 15. How do you pass data from controller to view? public class LogActionFilter : ActionFilterAttribute public override void OnActionExecuting(ActionExecutingContext context) Console.WriteLine($"Action: {context.ActionDescriptor.DisplayName}"); Use it: [LogActionFilter] public IActionResult Index() => View(); 📤 15. How do you pass data from controller to view? You can use: public class LogActionFilter : ActionFilterAttribute public override void OnActionExecuting(ActionExecutingContext context) Console.WriteLine($"Action: {context.ActionDescriptor.DisplayName}"); Use it: [LogActionFilter] public IActionResult Index() => View(); 📤 15. How do you pass data from controller to view? You can use: public class LogActionFilter : ActionFilterAttribute public override void OnActionExecuting(ActionExecutingContext context) Console.WriteLine($"Action: {context.ActionDescriptor.DisplayName}"); Use it: [LogActionFilter] public IActionResult Index() => View(); 📤 15. How do you pass data from controller to view? public class LogActionFilter : ActionFilterAttribute public override void OnActionExecuting(ActionExecutingContext context) Console.WriteLine($"Action: {context.ActionDescriptor.DisplayName}"); Use it: [LogActionFilter] public IActionResult Index() => View(); 📤 15. How do you pass data from controller to view? You can use: public class LogActionFilter : ActionFilterAttribute public override void OnActionExecuting(ActionExecutingContext context) Console.WriteLine($"Action: {context.ActionDescriptor.DisplayName}"); Use it: [LogActionFilter] public IActionResult Index() => View(); 📤 15. How do you pass data from controller to view? You can use:

Real-world example (ShopNest)

ShopNest admin screens use MVC: controller loads data, Razor view renders HTML, Tag Helpers build forms safely.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.