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Merge branch 'dotnet6' into winappsdk1.0
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‎1_CS/HelloWorld/Readme.md‎

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@@ -5,7 +5,7 @@
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This chapter contains the following code samples:
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* HelloWorld (.NET Core Console App)
8-
* WebApp (Tool-generated ASP.NET Core MVC Web App)
8+
* WebApp (Tool-generated ASP.NET Core Web App)
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* SelfContainedHelloWorld (Console App configured for self-contained deployment)
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* TrimmedHelloWorld
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‎1_CS/LINQ/DataLib/Formula1.cs‎

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@@ -1,4 +1,4 @@
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namespace DataLib;
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namespace DataLib;
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public static class Formula1
44
{
@@ -34,12 +34,13 @@ public static class Formula1
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new("Jacques", "Villeneuve", "Canada", 165, 11, new int[] { 1997 }, new string[] { "Williams" }),
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new("Mika", "Hakkinen", "Finland", 160, 20, new int[] { 1998, 1999 }, new string[] { "McLaren" }),
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new("Michael", "Schumacher", "Germany", 287, 91, new int[] { 1994, 1995, 2000, 2001, 2002, 2003, 2004 }, new string[] { "Benetton", "Ferrari" }),
37-
new("Fernando", "Alonso", "Spain", 335, 32, new int[] { 2005, 2006 }, new string[] { "Renault" }),
38-
new("Kimi", "Räikkönen", "Finland", 351, 21, new int[] { 2007 }, new string[] { "Ferrari" }),
37+
new("Fernando", "Alonso", "Spain", 336, 32, new int[] { 2005, 2006 }, new string[] { "Renault" }),
38+
new("Kimi", "Räikkönen", "Finland", 352, 21, new int[] { 2007 }, new string[] { "Ferrari" }),
3939
new("Jenson", "Button", "UK", 306, 16, new int[] { 2009 }, new string[] { "Brawn GP" }),
40-
new("Sebastian", "Vettel", "Germany", 278, 53, new int[] { 2010, 2011, 2012, 2013 }, new string[] { "Red Bull Racing" }),
40+
new("Sebastian", "Vettel", "Germany", 280, 53, new int[] { 2010, 2011, 2012, 2013 }, new string[] { "Red Bull Racing" }),
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new("Nico", "Rosberg", "Germany", 207, 24, new int[] { 2016 }, new string[] { "Mercedes" }),
42-
new("Lewis", "Hamilton", "UK", 286, 102, new int[] { 2008, 2014, 2015, 2017, 2018, 2019, 2020 }, new string[] { "McLaren", "Mercedes" }),
42+
new("Lewis", "Hamilton", "UK", 288, 103, new int[] { 2008, 2014, 2015, 2017, 2018, 2019, 2020 }, new string[] { "McLaren", "Mercedes" }),
43+
new("Max", "Verstappen", "Netherlands", 141, 20, new int[] { 2021 }, new string[] { "Red Bull Racing" })
4344
};
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private static List<Team>? s_teams;
@@ -59,10 +60,9 @@ public static class Formula1
5960
new("Ferrari", 1961, 1964, 1975, 1976, 1977, 1979, 1982, 1983, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008),
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new("Brawn GP", 2009),
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new("Red Bull Racing", 2010, 2011, 2012, 2013),
62-
new("Mercedes", 2014, 2015, 2016, 2017, 2018, 2019, 2020)
63+
new("Mercedes", 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021)
6364
};
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65-
6666
private static List<Championship>? s_championships;
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public static IEnumerable<Championship> GetChampionships() => s_championships ??= new()
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{
@@ -136,7 +136,8 @@ public static class Formula1
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new(2017, "Lewis Hamilton", "Sebastian Vettel", "Valtteri Bottas"),
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new(2018, "Lewis Hamilton", "Sebastian Vettel", "Kimi Räikkönen"),
138138
new(2019, "Lewis Hamilton", "Valtteri Bottas", "Max Verstappen"),
139-
new(2020, "Lewis Hamilton", "Valtteri Bottas", "Max Verstappen")
139+
new(2020, "Lewis Hamilton", "Valtteri Bottas", "Max Verstappen"),
140+
new(2021, "Max Verstappen", "Lewis Hamilton", "Valtteri Bottas")
140141
};
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private static List<Racer>? _moreRacers;
@@ -173,8 +174,7 @@ public static class Formula1
173174
new Racer("Juan Pablo", "Montoya", "Columbia", Starts: 94, Wins: 7),
174175
new Racer("Felipe", "Massa", "Brazil", Starts: 269, Wins: 11),
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new Racer("Mark", "Webber", "Australia", Starts: 215, Wins: 9),
176-
new Racer("Daniel", "Ricciardo", "Australia", Starts: 208, Wins: 8),
177-
new Racer("Valtteri", "Bottas", "Finland", Starts: 176, Wins: 10),
178-
new Racer("Max", "Verstappen", "Netherlands", Starts: 139, Wins: 19)
177+
new Racer("Daniel", "Ricciardo", "Australia", Starts: 210, Wins: 8),
178+
new Racer("Valtteri", "Bottas", "Finland", Starts: 178, Wins: 10)
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};
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}

‎2_Libs/EFCore/BooksLib/Book.cs‎

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using System.ComponentModel.DataAnnotations;
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3-
namespace BooksLib
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namespace BooksLib;
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public class Book
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{
5-
public class Book
7+
public Book(string title, string? publisher = default, int bookId = default)
68
{
7-
public Book(string title, string? publisher = default, int bookId = default)
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{
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Title = title;
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Publisher = publisher;
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BookId = bookId;
12-
}
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[StringLength(50)]
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public string Title { get; set; }
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[StringLength(30)]
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public string? Publisher { get; set; }
17-
public int BookId { get; set; }
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[StringLength(20)]
19-
public string? Isbn { get; set; }
9+
Title = title;
10+
Publisher = publisher;
11+
BookId = bookId;
2012
}
21-
22-
}
13+
[StringLength(50)]
14+
public string Title { get; set; }
15+
[StringLength(30)]
16+
public string? Publisher { get; set; }
17+
public int BookId { get; set; }
18+
[StringLength(20)]
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public string? Isbn { get; set; }
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}

‎2_Libs/EFCore/BooksLib/BooksContext.cs‎

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using Microsoft.EntityFrameworkCore;
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namespace BooksLib
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namespace BooksLib;
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public class BooksContext : DbContext
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{
7+
public BooksContext(DbContextOptions<BooksContext> options)
8+
: base(options) { }
59

6-
public class BooksContext : DbContext
10+
protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
711
{
8-
public BooksContext(DbContextOptions<BooksContext> options)
9-
: base(options) { }
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protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
12-
{
13-
base.OnConfiguring(optionsBuilder);
14-
}
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16-
public DbSet<Book> Books => Set<Book>();
12+
base.OnConfiguring(optionsBuilder);
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}
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public DbSet<Book> Books => Set<Book>();
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}

‎2_Libs/EFCore/BooksLib/BooksLib.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net5.0</TargetFramework>
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<TargetFramework>net6.0</TargetFramework>
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<Nullable>enable</Nullable>
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<ImplicitUsings>enable</ImplicitUsings>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Microsoft.EntityFrameworkCore" Version="5.0.5" />
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<PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="5.0.5" />
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<PackageReference Include="Microsoft.EntityFrameworkCore" Version="6.0.0" />
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<PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="6.0.0" />
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</ItemGroup>
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‎2_Libs/EFCore/ConflictHandling-FirstWins/BooksContext.cs‎

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using Microsoft.EntityFrameworkCore;
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using System.Collections.Generic;
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using System.Linq;
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public class BooksContext : DbContext
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{

‎2_Libs/EFCore/ConflictHandling-FirstWins/ConflictHandling-FirstWins.csproj‎

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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net5.0</TargetFramework>
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<TargetFramework>net6.0</TargetFramework>
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<Nullable>enable</Nullable>
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<ImplicitUsings>enable</ImplicitUsings>
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</PropertyGroup>
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<!--<PropertyGroup>
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<DefineConstants>USERECORDS</DefineConstants>
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</PropertyGroup>-->
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<ItemGroup>
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<PackageReference Include="Microsoft.EntityFrameworkCore" Version="5.0.5" />
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<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="5.0.5">
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<PackageReference Include="Microsoft.EntityFrameworkCore" Version="6.0.0" />
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<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="6.0.0">
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<PrivateAssets>all</PrivateAssets>
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<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
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</PackageReference>
19-
<PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="5.0.5" />
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<PackageReference Include="Microsoft.Extensions.Hosting" Version="5.0.0" />
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<PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="6.0.0" />
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<PackageReference Include="Microsoft.Extensions.Hosting" Version="6.0.0" />
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</ItemGroup>
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<ItemGroup>

‎2_Libs/EFCore/ConflictHandling-FirstWins/Program.cs‎

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using Microsoft.Extensions.Configuration;
33
using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Hosting;
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using System;
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76
using var host = Host.CreateDefaultBuilder(args)
87
.ConfigureServices((context, services) =>
@@ -24,8 +23,8 @@
2423
}
2524

2625
// different scopes for the users and prepare update
27-
using var user1Scope = host.Services.CreateScope();
28-
using var user2Scope = host.Services.CreateScope();
26+
await using var user1Scope = host.Services.CreateAsyncScope();
27+
await using var user2Scope = host.Services.CreateAsyncScope();
2928
var user1Runner = user1Scope.ServiceProvider.GetRequiredService<Runner>();
3029
var user2Runner = user2Scope.ServiceProvider.GetRequiredService<Runner>();
3130
int bookId = await user1Runner.PrepareUpdateAsync("user1");
@@ -36,7 +35,7 @@
3635
await user2Runner.UpdateAsync();
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3837
// check for the winner
39-
using var checkScope = host.Services.CreateScope();
38+
await using var checkScope = host.Services.CreateAsyncScope();
4039
var runner = checkScope.ServiceProvider.GetRequiredService<Runner>();
4140
string updatedTitle = await runner.GetUpdatedTitleAsyc(bookId);
4241
Console.Write("this is the winner: ");

‎2_Libs/EFCore/ConflictHandling-FirstWins/Runner.cs‎

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using Microsoft.EntityFrameworkCore;
22
using Microsoft.EntityFrameworkCore.ChangeTracking;
3-
using System;
4-
using System.Linq;
5-
using System.Threading.Tasks;
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74
public class Runner
85
{
@@ -64,7 +61,7 @@ public async Task UpdateAsync()
6461
if (entry.Entity is Book b)
6562
{
6663
PropertyEntry pe = entry.Property("Timestamp");
67-
Console.WriteLine($"{b.Title} {BitConverter.ToString((byte[])pe.CurrentValue)}");
64+
Console.WriteLine($"{b.Title} {pe.TimestampToString()}");
6865
ShowChanges(_selectedBook.BookId, _booksContext.Entry(_selectedBook));
6966
}
7067
}
@@ -85,6 +82,17 @@ static void ShowChange(PropertyEntry propertyEntry, int id) =>
8582
public async Task<string> GetUpdatedTitleAsyc(int id)
8683
{
8784
var book = await _booksContext.Books.FindAsync(id);
85+
if (book is null) return string.Empty;
8886
return $"{book.Title} with id {book.BookId}";
8987
}
9088
}
89+
90+
internal static class Converter
91+
{
92+
public static string TimestampToString(this PropertyEntry entry)
93+
{
94+
if (entry.CurrentValue is null) return string.Empty;
95+
byte[] data = (byte[])entry.CurrentValue;
96+
return BitConverter.ToString(data);
97+
}
98+
}

‎2_Libs/EFCore/ConflictHandling-LastWins/BooksContext.cs‎

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using Microsoft.EntityFrameworkCore;
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using System.Collections.Generic;
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using System.Linq;
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public class BooksContext : DbContext
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{

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