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Mark J Price 2022-12-29 12:39:10 +00:00
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docs/errata/README.md
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If you find any mistakes in the seventh edition, *C# 11 and .NET 7 - Modern Cross-Platform Development Fundamentals*, or if you have suggestions for improvements, then please [raise an issue in this repository](https://github.com/markjprice/cs11dotnet7/issues) or email me at markjprice (at) gmail.com.
[**Errata** (15 items)](errata.md): Typos, tool user interface changes, or mistakes in code that would cause a compilation error that prevents a successful build.
[**Errata** (16 items)](errata.md): Typos, tool user interface changes, or mistakes in code that would cause a compilation error that prevents a successful build.
[**Improvements** (1 item)](improvements.md): Changes to text or code that would improve the content. These are optional.

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docs/errata/errata.md
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**Errata** (15 items)
**Errata** (16 items)
If you find any mistakes, then please [raise an issue in this repository](https://github.com/markjprice/cs11dotnet7/issues) or email me at markjprice (at) gmail.com.
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- [Page 631 - Passing parameters using a route value](#page-631---passing-parameters-using-a-route-value)
- [Page 641 - Enabling role management and creating a role programmatically](#page-641---enabling-role-management-and-creating-a-role-programmatically)
- [Page 649 - Varying cached data by query string](#page-649---varying-cached-data-by-query-string)
- [Page 707 - Reviewing the Blazor Server project template](#page-707---reviewing-the-blazor-server-project-template)
# Page 4, 8 - Pros and cons of the .NET Interactive Notebooks extension, Downloading and installing Visual Studio Code
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```cs
options.AddPolicy("views", p => p.SetVaryByQuery(""));
```
## Page 707 - Reviewing the Blazor Server project template
> Thanks to [Bob Molloy](https://github.com/BobMolloy) for raising this [issue on 19 December 2022](https://github.com/markjprice/cs11dotnet7/issues/12).
In Steps 6 and 7, I wrote that there are two files that combine to product the home page for a Blazor Server project, named `_Host.cshtml` and `_Layout.cshtml`.
Microsoft changed this project template to merge them together so there is no shared layout file named `_Layout.cshtml`. The markup is now all in the `_Host.cshtml` file, as shown in the following markup:
```html
@page "/"
@using Microsoft.AspNetCore.Components.Web
@namespace Northwind.BlazorServer.Pages
@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<base href="~/" />
<link rel="stylesheet" href="css/bootstrap/bootstrap.min.css" />
<link href="css/site.css" rel="stylesheet" />
<link href="Northwind.BlazorServer.styles.css" rel="stylesheet" />
<link rel="icon" type="image/png" href="favicon.png"/>
<component type="typeof(HeadOutlet)" render-mode="ServerPrerendered" />
</head>
<body>
<component type="typeof(App)" render-mode="ServerPrerendered" />
<div id="blazor-error-ui">
<environment include="Staging,Production">
An error has occurred. This application may no longer respond until reloaded.
</environment>
<environment include="Development">
An unhandled exception has occurred. See browser dev tools for details.
</environment>
<a href="" class="reload">Reload</a>
<a class="dismiss">🗙</a>
</div>
<script src="_framework/blazor.server.js"></script>
</body>
</html>
```