Всё работает

CarRepairShop/CarRepairShop/FormMain.cs

@@ -34,7 +34,6 @@ namespace CarRepairShop
 					dataGridView.DataSource = list;
 					dataGridView.Columns["RepairId"].Visible = false;
 					dataGridView.Columns["ClientId"].Visible = false;
-					dataGridView.Columns["ClientEmail"].Visible = false;
 					dataGridView.Columns["ImplementerId"].Visible = false;
 					dataGridView.Columns["RepairName"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
 				}

CarRepairShop/CarRepairShopContracts/ViewModels/OrderViewModel.cs

@@ -15,7 +15,6 @@ namespace CarRepairShopContracts.ViewModels
         public int ClientId { get; set; }
 		[DisplayName("Клиент")]
         public string ClientFIO { get; set; } = string.Empty;
-		public string ClientEmail { get; set; } = string.Empty;
 		public int? ImplementerId { get; set; } = null;
 		[DisplayName("Исполнитель")]
 		public string ImplementerFIO { get; set; } = string.Empty;

CarRepairShop/CarRepairShopDatabaseImplement/Migrations/20240521131556_InitialCreate.Designer.cs

@@ -12,7 +12,7 @@ using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 namespace CarRepairShopDatabaseImplement.Migrations
 {
     [DbContext(typeof(RepairsShopDatabase))]
-    [Migration("20240520225652_InitialCreate")]
+    [Migration("20240521131556_InitialCreate")]
     partial class InitialCreate
     {
         /// <inheritdoc />

CarRepairShop/CarRepairShopDatabaseImplement/Models/MessageInfo.cs

@@ -36,8 +36,7 @@ namespace CarRepairShopDatabaseImplement.Models
 			{
 				Body = model.Body,
 				Subject = model.Subject,
-				ClientId = context.Clients.FirstOrDefault(x => x.Email == model.SenderName).Id,
-				Client = context.Clients.FirstOrDefault(x => x.Email == model.SenderName),
+				ClientId = context.Clients.FirstOrDefault(x => x.Email == model.SenderName)?.Id,
 				MessageId = model.MessageId,
 				SenderName = model.SenderName,
 				DateDelivery = model.DateDelivery,

CarRepairShop/CarRepairShopDatabaseImplement/Models/Order.cs

@@ -60,7 +60,6 @@ namespace CarRepairShopDatabaseImplement.Models
 			ImplementerId = ImplementerId,
 			RepairName = Repair?.RepairName ?? string.Empty,
             ClientFIO = Client?.ClientFIO ?? string.Empty,
-			ClientEmail = Client.Email,
 			Count = Count,
             Sum = Sum,
             Status = Status,

CarRepairShop/CarRepairShopRestApi/Controllers/ClientController.cs

@@ -39,14 +39,16 @@ namespace CarRepairShopRestApi.Controllers
             }
         }
         [HttpGet]
-        public List<MessageInfoViewModel>? GetMessages(int clientId)
+        public List<MessageInfoViewModel>? GetMessages(int clientId, int page, int pagesize = 1)
         {
             try
             {
                 return _mailLogic.ReadList(new MessageInfoSearchModel
                 {
-                    ClientId = clientId
-                });
+                    ClientId = clientId,
+					PageLength = pagesize,
+					PageIndex = page
+				});
             }
             catch (Exception ex)
             {
@@ -64,8 +66,8 @@ namespace CarRepairShopRestApi.Controllers
             catch (Exception ex)
             {
                 _logger.LogError(ex, "Ошибка регистрации");
-                Response.StatusCode = (int)HttpStatusCode.NotAcceptable;
-            }
+				Response.StatusCode = (int)HttpStatusCode.NotAcceptable;
+			}
         }
         [HttpPost]
         public void UpdateData(ClientBindingModel model)
@@ -80,23 +82,5 @@ namespace CarRepairShopRestApi.Controllers
                 throw;
             }
         }
-        [HttpGet]
-        public List<MessageInfoViewModel>? GetMessages(int clientId, int page, int pagesize = 1)
-        {
-            try
-            {
-                return _mailLogic.ReadList(new MessageInfoSearchModel
-                {
-                    ClientId = clientId,
-                    PageLength = pagesize,
-                    PageIndex = page
-                });
-            }
-            catch (Exception ex)
-            {
-                _logger.LogError(ex, "Ошибка получения писем клиента");
-                throw;
-            }
-        }
     }
 }

CarRepairShop/CarRepairShowClientApp/Views/Shared/_Layout.cshtml

@@ -27,7 +27,7 @@
 							<a class="nav-link text-dark" asparea="" asp-controller="Home" asp-action="Privacy">Личные данные</a>
 						</li>
 						<li class="nav-item">
-							<a class="nav-link text-dark" asparea="" asp-controller="Home" asp-action="Mails">Письма</a>
+							<a class="nav-link text-dark" asparea="" asp-controller="Home" asp-action="Mails" asp-route-page="1">Письма</a>
 						</li>
 						<li class="nav-item">
 							<a class="nav-link text-dark" asparea="" asp-controller="Home" asp-action="Enter">Вход</a>