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18
docs/languages/dotnet/asp.net/razor-syntax.md
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@ -2,7 +2,7 @@
## Markup
```cs
```cs linenums="1"
@page // set this as razor page
@model <App>.Models.Entity // if MVC set type of elements passed to the view
@ -35,7 +35,7 @@
Example:
```html
```html linenums="1"
<!-- tag helpers for a lin in ASP.NET MVC -->
<a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Index">Home</a>
```
@ -44,7 +44,7 @@ Example:
The `@addTagHelper` directive makes Tag Helpers available to the view. Generally, the view file is `Pages/_ViewImports.cshtml`, which by default is inherited by all files in the `Pages` folder and subfolders, making Tag Helpers available.
```cs
```cs linenums="1"
@using <App>
@namespace <App>.Pages // or <Project>.Models
@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers
@ -57,7 +57,7 @@ The first parameter after `@addTagHelper` specifies the Tag Helpers to load (`*`
It's possible to disable a Tag Helper at the element level with the Tag Helper opt-out character (`!`)
```cshtml
```cshtml linenums="1"
<!-- disable email validation -->
<!span asp-validation-for="Email" ></!span>
```
@ -66,7 +66,7 @@ It's possible to disable a Tag Helper at the element level with the Tag Helper o
The `@tagHelperPrefix` directive allows to specify a tag prefix string to enable Tag Helper support and to make Tag Helper usage explicit.
```cshtml
```cshtml linenums="1"
@tagHelpersPrefix th:
```
@ -74,7 +74,7 @@ The `@tagHelperPrefix` directive allows to specify a tag prefix string to enable
[Understanding Html Helpers](https://stephenwalther.com/archive/2009/03/03/chapter-6-understanding-html-helpers)
```cs
```cs linenums="1"
@model <App>.Models.Entity
// Display the name of the property
@ -112,7 +112,7 @@ The `@tagHelperPrefix` directive allows to specify a tag prefix string to enable
In `ViewModel.cs`:
```cs
```cs linenums="1"
class ViewModel
{
public int EntityId { get; set; } // value selected in form ends up here
@ -126,7 +126,7 @@ class ViewModel
In `View.cs`
```cs
```cs linenums="1"
@model ViewModel
<form asp-controller="Controller" asp-action="PostAction">
@ -140,7 +140,7 @@ In `View.cs`
In `Controller.cs`:
```cs
```cs linenums="1"
public IActionResult GetAction()
{
var vm = new ViewModel();