Add solution code for Ch10 and 11

Author: markjprice

code/Chapter10/Chapter10.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.6.33829.357
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WorkingWithEFCore", "WorkingWithEFCore\WorkingWithEFCore.csproj", "{F370D9A0-3198-4D1B-AD9B-7F2C379EB169}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{F370D9A0-3198-4D1B-AD9B-7F2C379EB169}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F370D9A0-3198-4D1B-AD9B-7F2C379EB169}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F370D9A0-3198-4D1B-AD9B-7F2C379EB169}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F370D9A0-3198-4D1B-AD9B-7F2C379EB169}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {C8ECB07E-294D-4CB1-9FBA-8C884C06F650}
+	EndGlobalSection
+EndGlobal

code/Chapter10/WorkingWithEFCore/AutoGenModels/Category.cs

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+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using Microsoft.EntityFrameworkCore;
+
+namespace WorkingWithEFCore.AutoGen;
+
+[Index("CategoryName", Name = "CategoryName")]
+public partial class Category
+{
+  [Key]
+  public int CategoryId { get; set; }
+
+  [Column(TypeName = "nvarchar (15)")]
+  public string CategoryName { get; set; } = null!;
+
+  [Column(TypeName = "ntext")]
+  public string? Description { get; set; }
+
+  [Column(TypeName = "image")]
+  public byte[]? Picture { get; set; }
+
+  [InverseProperty("Category")]
+  public virtual ICollection<Product> Products { get; set; } = new List<Product>();
+}

code/Chapter10/WorkingWithEFCore/AutoGenModels/NorthwindDb.cs

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+using System;
+using System.Collections.Generic;
+using Microsoft.EntityFrameworkCore;
+
+namespace WorkingWithEFCore.AutoGen;
+
+public partial class NorthwindDb : DbContext
+{
+  public NorthwindDb()
+  {
+  }
+
+  public NorthwindDb(DbContextOptions<NorthwindDb> options)
+      : base(options)
+  {
+  }
+
+  public virtual DbSet<Category> Categories { get; set; }
+
+  public virtual DbSet<Product> Products { get; set; }
+
+  protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+#warning To protect potentially sensitive information in your connection string, you should move it out of source code. You can avoid scaffolding the connection string by using the Name= syntax to read it from configuration - see https://go.microsoft.com/fwlink/?linkid=2131148. For more guidance on storing connection strings, see http://go.microsoft.com/fwlink/?LinkId=723263.
+      => optionsBuilder.UseSqlite("Data Source=Northwind.db");
+
+  protected override void OnModelCreating(ModelBuilder modelBuilder)
+  {
+    modelBuilder.Entity<Category>(entity =>
+    {
+      entity.Property(e => e.CategoryId).ValueGeneratedNever();
+    });
+
+    modelBuilder.Entity<Product>(entity =>
+    {
+      entity.Property(e => e.ProductId).ValueGeneratedNever();
+      entity.Property(e => e.Discontinued).HasDefaultValueSql("0");
+      entity.Property(e => e.ReorderLevel).HasDefaultValueSql("0");
+      entity.Property(e => e.UnitPrice).HasDefaultValueSql("0");
+      entity.Property(e => e.UnitsInStock).HasDefaultValueSql("0");
+      entity.Property(e => e.UnitsOnOrder).HasDefaultValueSql("0");
+    });
+
+    OnModelCreatingPartial(modelBuilder);
+  }
+
+  partial void OnModelCreatingPartial(ModelBuilder modelBuilder);
+}

code/Chapter10/WorkingWithEFCore/AutoGenModels/Product.cs

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+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using Microsoft.EntityFrameworkCore;
+
+namespace WorkingWithEFCore.AutoGen;
+
+[Index("CategoryId", Name = "CategoriesProducts")]
+[Index("CategoryId", Name = "CategoryId")]
+[Index("ProductName", Name = "ProductName")]
+[Index("SupplierId", Name = "SupplierId")]
+[Index("SupplierId", Name = "SuppliersProducts")]
+public partial class Product
+{
+  [Key]
+  public int ProductId { get; set; }
+
+  [Column(TypeName = "nvarchar (40)")]
+  public string ProductName { get; set; } = null!;
+
+  [Column(TypeName = "INT")]
+  public int? SupplierId { get; set; }
+
+  [Column(TypeName = "INT")]
+  public int? CategoryId { get; set; }
+
+  [Column(TypeName = "nvarchar (20)")]
+  public string? QuantityPerUnit { get; set; }
+
+  [Column(TypeName = "money")]
+  public double? UnitPrice { get; set; }
+
+  [Column(TypeName = "smallint")]
+  public short? UnitsInStock { get; set; }
+
+  [Column(TypeName = "smallint")]
+  public short? UnitsOnOrder { get; set; }
+
+  [Column(TypeName = "smallint")]
+  public short? ReorderLevel { get; set; }
+
+  [Required]
+  [Column(TypeName = "bit")]
+  public bool? Discontinued { get; set; }
+
+  [ForeignKey("CategoryId")]
+  [InverseProperty("Products")]
+  public virtual Category? Category { get; set; }
+}

code/Chapter10/WorkingWithEFCore/Category.cs

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+using System.ComponentModel.DataAnnotations.Schema; // To use [Column].
+
+namespace Northwind.EntityModels;
+
+public class Category
+{
+  // These properties map to columns in the database.
+  public int CategoryId { get; set; } // The primary key.
+
+  public string CategoryName { get; set; } = null!;
+
+  [Column(TypeName = "ntext")]
+  public string? Description { get; set; }
+
+  // Defines a navigation property for related rows.
+  public virtual ICollection<Product> Products { get; set; }
+    // To enable developers to add products to a Category, we must
+    // initialize the navigation property to an empty collection.
+    = new HashSet<Product>();
+}