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Custom Action Filters in ASP.NET MVC

Avatar for Tonya Cooper Tonya Cooper
July 02, 2022
Technology
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Custom Action Filters in ASP.NET MVC

Avatar for Tonya Cooper

Tonya Cooper

July 02, 2022
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Transcript

  1. Custom Action Filters in ASP.NET MVC

  2. What are action filters? An attribute that can be applied

    to an individual action method on a controller, or to the entire controller.

  3. Filter Types 1. Authorize 2. Action 3. Result 4. Exception

  4. Built-in Filter Attributes Authorize HandleError RequireHttps ValidateInput OutputCache

  5. ActionFilterAttribute IAuthorizationFilter IActionFilter IResultFilter IExceptionFilter HandleError RequireHttps Authorize OutputCache ValidateInput

    FilterAttribute

  6. ActionFilterAttribute IAuthorizationFilter IActionFilter IResultFilter IExceptionFilter HandleError RequireHttps Authorize OutputCache ValidateInput

    FilterAttribute

  7. ActionFilterAttribute IAuthorizationFilter IActionFilter IResultFilter IExceptionFilter HandleError RequireHttps Authorize OutputCache ValidateInput

    FilterAttribute

  8. Built-in Filter Attributes Authorize HandleError RequireHttps ValidateInput OutputCache

  9. None

  10. Built-in Filter Attributes Authorize HandleError RequireHttps ValidateInput OutputCache

  11. Turn on custom errors in Web.config: FilterConfig.cs

  12. Global.asax

  13. Built-in Filter Attributes Authorize HandleError RequireHttps ValidateInput OutputCache

  14. None

  15. Built-in Filter Attributes Authorize HandleError RequireHttps ValidateInput OutputCache

  16. None

  17. Built-in Filter Attributes Authorize HandleError RequireHttps ValidateInput OutputCache

  18. None

  19. Custom Filters • Share code across action methods • Share

    code across controllers • Custom exception handling • Logging • Modify responses • Save responses

  20. ActionFilterAttribute Override Methods: 1. OnActionExecuting 2. OnActionExecuted 3. OnResultExecuting 4.

    OnResultExecuted

  21. Action Filters… In Action

  22. Start Filtering 1. Name your filters appropriately

  23. CustomFilter is NOT a good name.

  24. Start Filtering 1. Name your filters appropriately 2. Apply to

    one or more action

  25. Start Filtering 1. Name your filters appropriately 2. Apply to

    one or more action 3. Apply to one or more controller

  26. Start Filtering 1. Name your filters appropriately 2. Apply to

    one or more action 3. Apply to one or more controller 4. Apply globally

  27. FilterConfig.cs

  28. Start Filtering 1. Name your filters appropriately 2. Apply to

    one or more action 3. Apply to one or more controller 4. Apply globally 5. Specify the order
  29. None

  30. Custom Action Filters in ASP.NET MVC