начало только

Publication/Entites/Customers.cs

@@ -1,12 +1,23 @@
 using Publication.Entites.Enums;
+using System.ComponentModel;
 
 public class Customers
 {
     public int Id { get; set; }
+
+    [DisplayName("ФИО заказчика")]
     public string FullName { get; set; }
+
+    [DisplayName("Возраст")]
     public int Age { get; set; }
+
+    [DisplayName("Тип заказчика")]
     public TypeCustomers TypeCustomer { get; set; }
+
+    [DisplayName("Телефон")]
     public string Phone { get; set; }
+
+    [DisplayName("Почта")]
     public string Email { get; set; } = string.Empty;
 
     public static Customers CreateEntity(int id, string fullName, int age, TypeCustomers typeCustomer, string phone, string email)

Publication/Entites/Materials.cs

@@ -1,12 +1,18 @@
 using Publication.Entites.Enums;
 namespace Publication.Entites;
+using System.ComponentModel;
 
 public class Materials
 {
     public int Id { get; set; }
+
+    [DisplayName("Дата")]
     public DateTime DateMaterials { get; set; }
+
+    [DisplayName("Количество")]
     public int Count { get; set; }
 
+    [DisplayName("Материал")]
     public TypeMaterials Material { get; set; }
 
     public static Materials CreateEntity(int id, DateTime dateMaterials, int count, TypeMaterials typeMaterials)

Publication/Entites/PrintingHouses.cs

@@ -1,4 +1,5 @@
 using DocumentFormat.OpenXml.Office2016.Drawing.ChartDrawing;
+using System.ComponentModel;
 using Unity;
 
 namespace Publication.Entites;
@@ -16,6 +17,10 @@ public class PrintingHouses
 
     public IEnumerable<PrintingHouseOrders> printingHouseOrder { get; set; } = [];
 
+    [DisplayName("Продукты")]
+    public string Product => printingHouseOrder != null ?
+        string.Join(", ", printingHouseOrder.Select(x => $"{x} {x.Count}")) : string.Empty;
+
     public static PrintingHouses CreateEntity(int id, string title, string phone, string address,int materialsId, IEnumerable<PrintingHouseOrders> printingHouseOrders)
     {