Initial commit

vscode/Chapter10/Ch10Ex02DataSerialization/Product.cs

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+using System.ComponentModel.DataAnnotations; // [Required], [StringLength]
+using System.ComponentModel.DataAnnotations.Schema; // [Column]
+
+namespace Packt.Shared;
+
+public class Product
+{
+  public int ProductId { get; set; } // primary key
+
+  [Required]
+  [StringLength(40)]
+  public string ProductName { get; set; } = null!;
+
+  [Column("UnitPrice", TypeName = "money")]
+  public decimal? Cost { get; set; } // property name != column name
+
+  [Column("UnitsInStock")]
+  public short? Stock { get; set; }
+
+  public bool Discontinued { get; set; }
+
+  // these two define the foreign key relationship
+  // to the Categories table
+  public int CategoryId { get; set; }
+  public virtual Category Category { get; set; } = null!;
+}