что вершит судьбу человечества в этом мире?

FlowerShopFileImplement/DataFileSingleton.cs

@@ -24,12 +24,13 @@ internal class DataFileSingleton
    "Components", x => x.GetXElement);
     public void SaveFlowers() => SaveData(Flowers, FlowerFileName,
    "Flowers", x => x.GetXElement);
-    public void SaveOrders() { }
-    private DataFileSingleton()
+    public void SaveOrders() => SaveData(Orders, OrderFileName,
+       "Orders", x => x.GetXElement);
+private DataFileSingleton()
     {
         Components = LoadData(ComponentFileName, "Component", x => Component.Create(x)!)!;
         Flowers = LoadData(FlowerFileName, "Flower", x => Flower.Create(x)!)!;
-        Orders = new List<Order>();
+        Orders = LoadData(OrderFileName, "Order", x => Order.Create(x)!)!;
     }
     private static List<T>? LoadData<T>(string filename, string xmlNodeName, Func<XElement, T> selectFunction)
     {

FlowerShopFileImplement/Flower.cs

@@ -1,6 +1,7 @@
 using FlowerShopContracts.BindingModels;
 using FlowerShopContracts.ViewModels;
 using FlowerShopDataModels.Models;
+using FlowerShopFileImplement.Implements;
 using System.Xml.Linq;
 namespace FlowerShopFileImplement.Models
 {

FlowerShopFileImplement/OrderStorage.cs

@@ -23,7 +23,7 @@ namespace FlowerShopFileImplement.Implements
         public List<OrderViewModel> GetFullList()
         {
             return source.Orders
-            .Select(x => AccessIceCreamStorage(x.GetViewModel))
+            .Select(x => AccessFlowerStorage(x.GetViewModel))
            .ToList();
         }
 
@@ -35,7 +35,7 @@ namespace FlowerShopFileImplement.Implements
             }
             return source.Orders
                .Where(x => x.Id == model.Id)
-               .Select(x => AccessIceCreamStorage(x.GetViewModel))
+               .Select(x => AccessFlowerStorage(x.GetViewModel))
                .ToList();
         }
 
@@ -45,7 +45,7 @@ namespace FlowerShopFileImplement.Implements
             {
                 return null;
             }
-            return AccessIceCreamStorage(source.Orders.FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel);
+            return AccessFlowerStorage(source.Orders.FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel);
         }
 
         public OrderViewModel? Insert(OrderBindingModel model)
@@ -58,7 +58,7 @@ namespace FlowerShopFileImplement.Implements
             }
             source.Orders.Add(newOrder);
             source.SaveOrders();
-            return AccessIceCreamStorage(newOrder.GetViewModel);
+            return AccessFlowerStorage(newOrder.GetViewModel);
         }
 
         public OrderViewModel? Update(OrderBindingModel model)
@@ -70,7 +70,7 @@ namespace FlowerShopFileImplement.Implements
             }
             order.Update(model);
             source.SaveOrders();
-            return AccessIceCreamStorage(order.GetViewModel);
+            return AccessFlowerStorage(order.GetViewModel);
         }
         public OrderViewModel? Delete(OrderBindingModel model)
         {
@@ -80,12 +80,12 @@ namespace FlowerShopFileImplement.Implements
             {
                 source.Orders.Remove(element);
                 source.SaveOrders();
-                return AccessIceCreamStorage(element.GetViewModel);
+                return AccessFlowerStorage(element.GetViewModel);
             }
             return null;
         }
 
-        public OrderViewModel AccessIceCreamStorage(OrderViewModel model)
+        public OrderViewModel AccessFlowerStorage(OrderViewModel model)
         {
             if (model == null)
                 return null;

ProjectFlowerShop/MainForm.cs

@@ -87,7 +87,7 @@ namespace ProjectFlowerShop
             return new OrderBindingModel
             {
                 Id = id,
-                FlowerId = Convert.ToInt32(DataGridView.SelectedRows[0].Cells["IceCreamId"].Value),
+                FlowerId = Convert.ToInt32(DataGridView.SelectedRows[0].Cells["FlowerId"].Value),
                 Status = Enum.Parse<OrderStatus>(DataGridView.SelectedRows[0].Cells["Status"].Value.ToString()),
                 Count = Convert.ToInt32(DataGridView.SelectedRows[0].Cells["Count"].Value),
                 Sum = double.Parse(DataGridView.SelectedRows[0].Cells["Sum"].Value.ToString()),