ASP.NET Core Razor Pages & Views 3

Question 1

Which Tag Helper renders a client-side validation error message for a specific model property?

Accepted Answer

Answer

The asp-validation-for tag helper on a span element renders validation error messages for the specified model property.

Question 2

What is a Partial View in ASP.NET Core Razor?

Accepted Answer

A reusable .cshtml file containing HTML markup that can be rendered inside other views

Answer

A Partial View is a reusable .cshtml file rendered within another view using @Html.PartialAsync() or the <partial> tag helper.

Question 3

How does a View Component differ from a Partial View in ASP.NET Core?

Accepted Answer

View Components have their own C# class with business logic, while Partial Views are purely HTML templates

Answer

View Components include a C# class with an InvokeAsync method for business logic and data retrieval, making them more powerful than simple Partial Views.

Question 4

Which syntaxes are valid for invoking a View Component from a Razor view?

Accepted Answer

Both @await Component.InvokeAsync() and the <vc:> tag helper syntax

Answer

View Components support both the @await Component.InvokeAsync('Name') method call and the <vc:component-name> tag helper syntax.

Question 5

What does the default anti-forgery token behavior on a Razor Pages POST form protect against?

Accepted Answer

Cross-Site Request Forgery (CSRF) attacks

Answer

ASP.NET Core automatically generates and validates anti-forgery tokens on Razor Pages POST forms to prevent CSRF attacks from malicious sites.

ASP.NET Core Practice Test

ASP.NET Core Practice Test

ASP.NET Core Razor Pages & Views 3