diff --git a/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/DataBaseImplementationExtension.cs b/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/DataBaseImplementationExtension.cs
new file mode 100644
index 0000000..8967c2f
--- /dev/null
+++ b/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/DataBaseImplementationExtension.cs
@@ -0,0 +1,33 @@
+using BlacksmithWorkshopContracts.DI;
+using BlacksmithWorkshopContracts.StoragesContracts;
+using BlacksmithWorkshopDatabaseImplement.Implements;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BlacksmithWorkshopDatabaseImplement
+{
+    public class DataBaseImplementationExtension : IImplementationExtension
+    {
+        public int Priority => 2;
+
+        public void RegisterServices()
+        {
+            DependencyManager.Instance.RegisterType<IClientStorage, ClientStorage>();
+
+            DependencyManager.Instance.RegisterType<IWorkPieceStorage, WorkPieceStorage>();
+
+            DependencyManager.Instance.RegisterType<IImplementerStorage, ImplementerStorage>();
+
+            DependencyManager.Instance.RegisterType<IMessageInfoStorage, MessageInfoStorage>();
+
+            DependencyManager.Instance.RegisterType<IOrderStorage, OrderStorage>();
+
+            DependencyManager.Instance.RegisterType<IManufactureStorage, ManufactureStorage>();
+
+            DependencyManager.Instance.RegisterType<IBackUpInfo, BackUpInfo>();
+        }
+    }
+}
diff --git a/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/Client.cs b/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/Client.cs
index a2120cb..ad8b63d 100644
--- a/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/Client.cs
+++ b/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/Client.cs
@@ -6,23 +6,29 @@ using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 using System.Linq;
+using System.Runtime.Serialization;
 using System.Text;
 using System.Threading.Tasks;
 
 namespace BlacksmithWorkshopDatabaseImplement.Models
 {
-	public class Client : IClientModel
+    [DataContract]
+    public class Client : IClientModel
 	{
-		public int Id { get; set; }
+        [DataMember]
+        public int Id { get; set; }
+
+        [Required]
+        [DataMember]
+        public string ClientFIO { get; set; } = string.Empty;
 
 		[Required]
-		public string ClientFIO { get; set; } = string.Empty;
+        [DataMember]
+        public string Email { get; set; } = string.Empty;
 
 		[Required]
-		public string Email { get; set; } = string.Empty;
-
-		[Required]
-		public string Password { get; set; } = string.Empty;
+        [DataMember]
+        public string Password { get; set; } = string.Empty;
 
 		//для реализации связи многие ко многим с заказами (так как клиенты могу сделать одинаковый заказ)
 		[ForeignKey("ClientId")]
diff --git a/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/Implementer.cs b/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/Implementer.cs
index 972afd3..a45f54e 100644
--- a/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/Implementer.cs
+++ b/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/Implementer.cs
@@ -6,26 +6,33 @@ using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 using System.Linq;
+using System.Runtime.Serialization;
 using System.Text;
 using System.Threading.Tasks;
 
 namespace BlacksmithWorkshopDatabaseImplement.Models
 {
-	public class Implementer : IImplementerModel
+    [DataContract]
+    public class Implementer : IImplementerModel
 	{
-		public int Id { get; set; }
+        [DataMember]
+        public int Id { get; set; }
 
 		[Required]
-		public string ImplementerFIO { get; set; } = string.Empty;
+        [DataMember]
+        public string ImplementerFIO { get; set; } = string.Empty;
 
 		[Required]
-		public string Password { get; set; } = string.Empty;
+        [DataMember]
+        public string Password { get; set; } = string.Empty;
 
 		[Required]
-		public int WorkExperience { get; set; }
+        [DataMember]
+        public int WorkExperience { get; set; }
 
 		[Required]
-		public int Qualification { get; set; }
+        [DataMember]
+        public int Qualification { get; set; }
 
 		//для реализации связи один ко многим с заказами
 		[ForeignKey("ImplementerId")]
diff --git a/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/Manufacture.cs b/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/Manufacture.cs
index 742aa11..08543ad 100644
--- a/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/Manufacture.cs
+++ b/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/Manufacture.cs
@@ -7,25 +7,31 @@ using System.ComponentModel;
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 using System.Linq;
+using System.Runtime.Serialization;
 using System.Text;
 using System.Threading.Tasks;
 
 namespace BlacksmithWorkshopDatabaseImplement.Models
 {
+    [DataContract]
     public class Manufacture : IManufactureModel
     {
+        [DataMember]
         public int Id { get; set; }
 
         [Required]
+        [DataMember]
         public string ManufactureName { get; set; } = string.Empty;
 
         [Required]
+        [DataMember]
         public double Price { get; set; }
 
         public Dictionary<int, (IWorkPieceModel, int)>? _manufactureWorkPieces = null;
 
         //это поле не будет "мапиться" в бд
         [NotMapped]
+        [DataMember]
         public Dictionary<int, (IWorkPieceModel, int)> ManufactureWorkPieces
         {
             get
diff --git a/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/ManufactureWorkPiece.cs b/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/ManufactureWorkPiece.cs
index dbe90f6..8bfea2a 100644
--- a/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/ManufactureWorkPiece.cs
+++ b/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/ManufactureWorkPiece.cs
@@ -2,22 +2,28 @@
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using System.Linq;
+using System.Runtime.Serialization;
 using System.Text;
 using System.Threading.Tasks;
 
 namespace BlacksmithWorkshopDatabaseImplement.Models
 {
+    [DataContract]
     public class ManufactureWorkPiece
     {
+        [DataMember]
         public int Id { get; set; }
 
         [Required]
+        [DataMember]
         public int ManufactureId { get; set; }
 
         [Required]
+        [DataMember]
         public int WorkPieceId { get; set; }
 
         [Required]
+        [DataMember]
         public int Count { get; set; }
 
         public virtual WorkPiece WorkPiece { get; set; } = new();
diff --git a/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/MessageInfo.cs b/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/MessageInfo.cs
index d0f0af4..9f67f02 100644
--- a/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/MessageInfo.cs
+++ b/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/MessageInfo.cs
@@ -5,31 +5,38 @@ using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using System.Linq;
+using System.Runtime.Serialization;
 using System.Text;
 using System.Threading.Tasks;
 
 namespace BlacksmithWorkshopDatabaseImplement.Models
 {
+	[DataContract]
 	public class MessageInfo : IMessageInfoModel
 	{
         public int Id { get; set; }
 
         [Key]
-		public string MessageId { get; set; } = string.Empty;
+        [DataMember]
+        public string MessageId { get; set; } = string.Empty;
 
 		public int? ClientId { get; set; }
 
 		[Required]
-		public string SenderName { get; set; } = string.Empty;
+        [DataMember]
+        public string SenderName { get; set; } = string.Empty;
 
 		[Required]
-		public DateTime DateDelivery { get; set; } = DateTime.Now;
+        [DataMember]
+        public DateTime DateDelivery { get; set; } = DateTime.Now;
 
 		[Required]
-		public string Subject { get; set; } = string.Empty;
+        [DataMember]
+        public string Subject { get; set; } = string.Empty;
 
 		[Required]
-		public string Body { get; set; } = string.Empty;
+        [DataMember]
+        public string Body { get; set; } = string.Empty;
 
 		public virtual Client? Client { get; set; }
 
diff --git a/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/Order.cs b/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/Order.cs
index 8ca4b34..0ddcf3d 100644
--- a/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/Order.cs
+++ b/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/Order.cs
@@ -6,36 +6,47 @@ using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using System.Linq;
+using System.Runtime.Serialization;
 using System.Text;
 using System.Threading.Tasks;
 using System.Xml.Linq;
 
 namespace BlacksmithWorkshopDatabaseImplement.Models
 {
+    [DataContract]
     public class Order : IOrderModel
     {
+        [DataMember]
         public int Id { get; private set; }
 
         [Required]
+        [DataMember]
         public int ManufactureId { get; private set; }
 
 		[Required]
-		public int ClientId { get; private set; }
+        [DataMember]
+        public int ClientId { get; private set; }
 
-		public int? ImplementerId { get; private set; }
+        [DataMember]
+        public int? ImplementerId { get; private set; }
 
 		[Required]
+        [DataMember]
         public int Count { get; private set; }
 
         [Required]
+        [DataMember]
         public double Sum { get; private set; }
 
         [Required]
+        [DataMember]
         public OrderStatus Status { get; private set; } = OrderStatus.Неизвестен;
 
         [Required]
+        [DataMember]
         public DateTime DateCreate { get; private set; } = DateTime.Now;
 
+        [DataMember]
         public DateTime? DateImplement { get; private set; }
 
         //для передачи названия изделия
diff --git a/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/WorkPiece.cs b/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/WorkPiece.cs
index 8ef7ca3..e6c01b7 100644
--- a/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/WorkPiece.cs
+++ b/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Models/WorkPiece.cs
@@ -7,19 +7,24 @@ using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 using System.Data;
 using System.Linq;
+using System.Runtime.Serialization;
 using System.Text;
 using System.Threading.Tasks;
 
 namespace BlacksmithWorkshopDatabaseImplement.Models
 {
+    [DataContract]
     public class WorkPiece : IWorkPieceModel
     {
+        [DataMember]
         public int Id { get; private set; }
 
         [Required]
+        [DataMember]
         public string WorkPieceName { get; private set; } = string.Empty;
 
         [Required]
+        [DataMember]
         public double Cost { get; set; }
 
         //для реализации связи многие ко многим с изделиями
diff --git a/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/FileImplementationExtension.cs b/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/FileImplementationExtension.cs
new file mode 100644
index 0000000..28d2b45
--- /dev/null
+++ b/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/FileImplementationExtension.cs
@@ -0,0 +1,34 @@
+using BlacksmithWorkshopContracts.DI;
+using BlacksmithWorkshopContracts.StoragesContracts;
+using BlacksmithWorkshopFileImplement.Implements;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BlacksmithWorkshopFileImplement
+{
+    //для реализации нужных нам зависимостей в данном варианте хранения информации
+    public class FileImplementationExtension : IImplementationExtension
+    {
+        public int Priority => 1;
+
+        public void RegisterServices()
+        {
+            DependencyManager.Instance.RegisterType<IClientStorage, ClientStorage>();
+
+            DependencyManager.Instance.RegisterType<IWorkPieceStorage, WorkPieceStorage>();
+
+            DependencyManager.Instance.RegisterType<IImplementerStorage, ImplementerStorage>();
+
+            DependencyManager.Instance.RegisterType<IMessageInfoStorage, MessageInfoStorage>();
+
+            DependencyManager.Instance.RegisterType<IOrderStorage, OrderStorage>();
+
+            DependencyManager.Instance.RegisterType<IManufactureStorage, ManufactureStorage>();
+
+            DependencyManager.Instance.RegisterType<IBackUpInfo, BackUpInfo>();
+        }
+    }
+}
diff --git a/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Implements/BackUpInfo.cs b/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Implements/BackUpInfo.cs
new file mode 100644
index 0000000..ae8ab4c
--- /dev/null
+++ b/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Implements/BackUpInfo.cs
@@ -0,0 +1,37 @@
+using BlacksmithWorkshopContracts.StoragesContracts;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BlacksmithWorkshopFileImplement.Implements
+{
+    public class BackUpInfo : IBackUpInfo
+    {
+        public List<T>? GetList<T>() where T : class, new()
+        {
+            var source = DataFileSingleton.GetInstance();
+
+            return (List<T>?)source.GetType().GetProperties()
+                .FirstOrDefault(x => x.PropertyType.IsGenericType && x.PropertyType.GetGenericArguments()[0] == typeof(T))
+                ?.GetValue(source);
+        }
+
+        public Type? GetTypeByModelInterface(string modelInterfaceName)
+        {
+            var assembly = typeof(BackUpInfo).Assembly;
+            var types = assembly.GetTypes();
+
+            foreach (var type in types)
+            {
+                if (type.IsClass && type.GetInterface(modelInterfaceName) != null)
+                {
+                    return type;
+                }
+            }
+
+            return null;
+        }
+    }
+}
diff --git a/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/Client.cs b/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/Client.cs
index 85bff7a..2d16557 100644
--- a/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/Client.cs
+++ b/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/Client.cs
@@ -7,21 +7,27 @@ using System.Collections.Generic;
 using System.Data;
 using System.Linq;
 using System.Reflection;
+using System.Runtime.Serialization;
 using System.Text;
 using System.Threading.Tasks;
 using System.Xml.Linq;
 
 namespace BlacksmithWorkshopFileImplement.Models
 {
+	[DataContract]
 	public class Client : IClientModel
 	{
+		[DataMember]
 		public int Id { get; private set; }
 
-		public string ClientFIO { get; private set; } = string.Empty;
+        [DataMember]
+        public string ClientFIO { get; private set; } = string.Empty;
 
-		public string Email { get; private set; } = string.Empty;
+        [DataMember]
+        public string Email { get; private set; } = string.Empty;
 
-		public string Password { get; private set; } = string.Empty;
+        [DataMember]
+        public string Password { get; private set; } = string.Empty;
 
 		public static Client? Create(ClientBindingModel model)
 		{
diff --git a/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/Implementer.cs b/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/Implementer.cs
index 21a0148..cb58634 100644
--- a/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/Implementer.cs
+++ b/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/Implementer.cs
@@ -5,23 +5,30 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
+using System.Runtime.Serialization;
 using System.Text;
 using System.Threading.Tasks;
 using System.Xml.Linq;
 
 namespace BlacksmithWorkshopFileImplement.Models
 {
+	[DataContract]
 	public class Implementer : IImplementerModel
 	{
-		public int Id { get; private set; }
+        [DataMember]
+        public int Id { get; private set; }
 
-		public string ImplementerFIO { get; private set; } = string.Empty;
+        [DataMember]
+        public string ImplementerFIO { get; private set; } = string.Empty;
 
-		public string Password { get; private set; } = string.Empty;
+        [DataMember]
+        public string Password { get; private set; } = string.Empty;
 
-		public int WorkExperience { get; private set; }
+        [DataMember]
+        public int WorkExperience { get; private set; }
 
-		public int Qualification { get; private set; }
+        [DataMember]
+        public int Qualification { get; private set; }
 
 		public static Implementer? Create(ImplementerBindingModel model)
 		{
diff --git a/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/Manufacture.cs b/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/Manufacture.cs
index fb73403..40d0062 100644
--- a/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/Manufacture.cs
+++ b/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/Manufacture.cs
@@ -4,6 +4,7 @@ using BlacksmithWorkshopDataModels.Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.Serialization;
 using System.Text;
 using System.Threading.Tasks;
 using System.Xml.Linq;
@@ -11,19 +12,23 @@ using System.Xml.Linq;
 namespace BlacksmithWorkshopFileImplement.Models
 {
     //класс реализующий интерфейс модели изделия
+    [DataContract]
     public class Manufacture : IManufactureModel
     {
+        [DataMember]
         public int Id { get; private set; }
 
+        [DataMember]
         public string ManufactureName { get; private set; } = string.Empty;
 
+        [DataMember]
         public double Price { get; private set; }
 
         public Dictionary<int, int> WorkPieces { get; private set; } = new();
 
-
         private Dictionary<int, (IWorkPieceModel, int)>? _manufactureWorkPieces = null;
 
+        [DataMember]
         public Dictionary<int, (IWorkPieceModel, int)> ManufactureWorkPieces
         {
             get
diff --git a/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/MessageInfo.cs b/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/MessageInfo.cs
index 5d36e6a..84bdd55 100644
--- a/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/MessageInfo.cs
+++ b/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/MessageInfo.cs
@@ -6,27 +6,35 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
 using System.Runtime.CompilerServices;
+using System.Runtime.Serialization;
 using System.Text;
 using System.Threading.Tasks;
 using System.Xml.Linq;
 
 namespace BlacksmithWorkshopFileImplement.Models
 {
+	[DataContract]
 	public class MessageInfo : IMessageInfoModel
 	{
         public int Id { get; private set; }
 
+        [DataMember]
         public string MessageId { get; private set; } = string.Empty;
 
-		public int? ClientId { get; private set; }
+        [DataMember]
+        public int? ClientId { get; private set; }
 
-		public string SenderName { get; private set; } = string.Empty;
+        [DataMember]
+        public string SenderName { get; private set; } = string.Empty;
 
-		public DateTime DateDelivery { get; private set; } = DateTime.Now;
+        [DataMember]
+        public DateTime DateDelivery { get; private set; } = DateTime.Now;
 
-		public string Subject { get; private set; } = string.Empty;
+        [DataMember]
+        public string Subject { get; private set; } = string.Empty;
 
-		public string Body { get; private set; } = string.Empty;
+        [DataMember]
+        public string Body { get; private set; } = string.Empty;
 
 		public static MessageInfo? Create(MessageInfoBindingModel model)
 		{
diff --git a/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/Order.cs b/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/Order.cs
index 7635cd2..2f55887 100644
--- a/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/Order.cs
+++ b/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/Order.cs
@@ -6,6 +6,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
+using System.Runtime.Serialization;
 using System.Text;
 using System.Threading.Tasks;
 using System.Xml.Linq;
@@ -13,24 +14,34 @@ using System.Xml.Linq;
 namespace BlacksmithWorkshopFileImplement.Models
 {
     //класс, реализующий интерфейс модели заказа
+    [DataContract]
     public class Order : IOrderModel
     {
+        [DataMember]
         public int Id { get; private set; }
 
-		public int ClientId { get; private set; }
+        [DataMember]
+        public int ClientId { get; private set; }
 
-		public int? ImplementerId { get; private set; }
+        [DataMember]
+        public int? ImplementerId { get; private set; }
 
-		public int ManufactureId { get; private set; }
+        [DataMember]
+        public int ManufactureId { get; private set; }
 
+        [DataMember]
         public int Count { get; private set; }
 
+        [DataMember]
         public double Sum { get; private set; }
 
+        [DataMember]
         public OrderStatus Status { get; private set; } = OrderStatus.Неизвестен;
 
+        [DataMember]
         public DateTime DateCreate { get; private set; } = DateTime.Now;
 
+        [DataMember]
         public DateTime? DateImplement { get; private set; }
 
         public static Order? Create(OrderBindingModel model)
diff --git a/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/WorkPiece.cs b/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/WorkPiece.cs
index b4f6a61..895100e 100644
--- a/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/WorkPiece.cs
+++ b/BlacksmithWorkshop/BlacksmithWorkshopFileImplement/Models/WorkPiece.cs
@@ -5,6 +5,7 @@ using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Linq;
+using System.Runtime.Serialization;
 using System.Text;
 using System.Threading.Tasks;
 using System.Xml.Linq;
@@ -12,12 +13,16 @@ using System.Xml.Linq;
 namespace BlacksmithWorkshopFileImplement.Models
 {
     //реализация интерфейса модели заготовки
+    [DataContract]
     public class WorkPiece : IWorkPieceModel
     {
+        [DataMember]
         public int Id { get; private set; }
 
+        [DataMember]
         public string WorkPieceName { get; private set; } = string.Empty;
 
+        [DataMember]
         public double Cost { get; set; }
 
         public static WorkPiece? Create(WorkPieceBindingModel model)