исправления

IceCreamShop/IceCreamShop/FormSellIceCream.cs

@@ -16,12 +16,6 @@ namespace IceCreamShopView
             _logger = logger;
             _logicI = logicIceCream;
             _logicS = logicShop;
-            LoadData();
-        }
-
-        private void LoadData()
-        {
-            
         }
 
         private void SaveButton_Click(object sender, EventArgs e)

IceCreamShop/IceCreamShopFileImplement/Implements/OrderStorage.cs

@@ -44,7 +44,7 @@ namespace IceCreamShopFileImplement.Implements
 
         public List<OrderViewModel> GetFullList()
         {
-            return source.Orders.Select(x => x.GetViewModel).ToList();
+            return source.Orders.Select(x => GetViewModel(x)).ToList();
         }
 
         public OrderViewModel? Insert(OrderBindingModel model)
@@ -82,5 +82,16 @@ namespace IceCreamShopFileImplement.Implements
             source.SaveOrders();
             return order.GetViewModel;
         }
+
+        private OrderViewModel GetViewModel(Order order)
+        {
+            var viewModel = order.GetViewModel;
+            var document = source.IceCreams.FirstOrDefault(x => x.Id == order.IceCreamId);
+            if (document != null)
+            {
+                viewModel.IceCreamName = document.IceCreamName;
+            }
+            return viewModel;
+        }
     }
 }

IceCreamShop/IceCreamShopFileImplement/Models/IceCream.cs

@@ -10,7 +10,7 @@ using System.Xml.Linq;
 
 namespace IceCreamShopFileImplement.Models
 {
-    public class IceCream
+    public class IceCream : IIceCreamModel
     {
         public int Id { get; private set; }
         public string IceCreamName { get; private set; } = string.Empty;

IceCreamShop/IceCreamShopFileImplement/Models/Shop.cs

@@ -87,7 +87,7 @@ namespace IceCreamShopFileImplement.Models
             if(model.ShopIceCreams.Count > 0)
             {
                 IceCreams = model.ShopIceCreams.ToDictionary(x => x.Key, x => x.Value.Item2);
-                _shopIceCreams = model.ShopIceCreams;
+                _shopIceCreams = null;
             }
         }