вроде страницы сущностей работают исправно

Factory/FactoryDatabaseImplement/Implements/ClientStorage.cs

@@ -37,7 +37,7 @@ namespace FactoryDatabaseImplement.Implements
             }
             using var context = new FactoryDatabase();
             return context.Clients
-                    .FirstOrDefault(x => (!string.IsNullOrEmpty(model.Login) && x.Login == model.Login) ||
+                    .FirstOrDefault(x => ((!string.IsNullOrEmpty(model.Login) && x.Login == model.Login) && (!string.IsNullOrEmpty(model.Password) && x.Password == model.Password)) ||
                                         (model.Id.HasValue && x.Id == model.Id))
                     ?.GetViewModel;
         }

Factory/FactoryDatabaseImplement/Models/ExecutionPhase.cs

@@ -73,6 +73,7 @@ namespace FactoryDatabaseImplement.Models
         {
             Id = Id,
             ExecutionPhaseName = ExecutionPhaseName,
+            PlanProductionName = PlanProduction == null ? null : PlanProduction.ProductionName,
 			ImplementerFIO = ImplementerFIO,
             ClientId = ClientId,
             PlanProductionId = PlanProductionId,

Factory/FactoryDatabaseImplement/Models/PlanProduction.cs

@@ -11,7 +11,7 @@ namespace FactoryDatabaseImplement.Models
         public int Id { get; private set; }
         [Required]
         public int ClientId { get; private set; }
-        public virtual Client Client { get; private set; } = new();
+        public virtual Client Client { get; private set; } 
 
         [Required]
         public string ProductionName { get; private set; } = string.Empty;

Factory/FactoryWorkerApp/Controllers/HomeController.cs

@@ -1,4 +1,5 @@
-using FactoryContracts.BindingModels;
+using DocumentFormat.OpenXml.Office2010.Excel;
+using FactoryContracts.BindingModels;
 using FactoryContracts.ViewModels;
 using FactoryDatabaseImplement.Models;
 using FactoryDataModels.Enums;
@@ -49,8 +50,8 @@ namespace FactoryWorkerApp.Controllers
 			if (user != null)
 			{
 				Client.user = user;
-				Response.Redirect("Index");
 			}
+			Response.Redirect("Index");
 		}
 		[HttpGet]
 		public IActionResult Register()
@@ -104,21 +105,34 @@ namespace FactoryWorkerApp.Controllers
 			return View(new WorkpieceViewModel());
 		}
 		[HttpPost]
-		public IActionResult Workpiece(WorkpieceBindingModel model)
+		public IActionResult Workpiece(int id, string workpiecename, string material, int cost, int[] productIds, int[] counts)
 		{
+            WorkpieceBindingModel model = new WorkpieceBindingModel();
+            model.Id = id;
+            model.WorkpieceName = workpiecename;
+            model.Material = material;
+            model.Cost = cost;
+            model.ClientId = Client.user!.Id;
+            var products = _logic.GetProducts();
+            for (int i = 0; i < productIds.Length; i++)
+            {
+                var product = products!.FirstOrDefault(x => x.Id == productIds[i])!;
+                if (counts[i] <= 0)
+                    continue;
+                model.WorkpieceProducts[productIds[i]] = (product, counts[i]);
+            }
+            if (model.WorkpieceProducts.Count == 0)
+                return RedirectToAction("Workpieces");
             if (model.Id == 0)
 			{
 				model.DateCreate = DateTime.Now;
-				model.ClientId = Client.user!.Id;
+				_logic.CreateWorkpiece(model);
-				if (_logic.CreateWorkpiece(model))
-					return RedirectToAction("Workpieces");
 			}
 			else
 			{
-				if (_logic.UpdateWorkpiece(model))
+				_logic.UpdateWorkpiece(model);
-					return RedirectToAction("Workpieces");
 			}
-			return View();
+            return RedirectToAction("Workpieces");
 		}
 
 		[HttpGet]

Factory/FactoryWorkerApp/Views/Home/ExecutionPhase.cshtml

@@ -12,8 +12,8 @@
 <form method="post">
 	<div class="row">
 		<div class="col-4">План производства:</div>
-		<div class="col-8">
+		<div class="col-8" >
-		<select id="planId" class="form-control">
+			<select name="planId" id="PlanProductionSelect" class="form-control">
 			<option value="">Выберите план</option>
 			@foreach (var planProduction in ViewBag.AllPlans)
 			{

Factory/FactoryWorkerApp/Views/Home/PlanProduction.cshtml

@@ -14,7 +14,7 @@
 	</div>
 	<div class="row">
 		<div class="col-4">Количество:</div>
-		<div class="col-8"><input type="text" id="count" name="count" value="@Model.Count" /></div>
+		<div class="col-8"><input type="number" id="count" name="count" value="@Model.Count" /></div>
 	</div>
 	<div class="row">
 		<div class="col-4">Срок выполнения:</div>

Factory/FactoryWorkerApp/Views/Home/Workpiece.cshtml

@@ -8,34 +8,45 @@
 <div class="text-center">
 	<h2 class="display-4">Заготовка</h2>
 </div>
-<form method="post">
+<form id="workpieceForm" method="post">
     <div class="container">
         <div>Изделия</div>
         <div class="table-responsive-lg">
-            <table id="detailsTable" class="display">
+            <table id="productsTable" class="display">
                 <thead>
                     <tr>
-                        <th>Выбор</th>
                         <th>Название</th>
                         <th>Количество</th>
+                        <th>Удалить</th>
                     </tr>
                 </thead>
                 <tbody>
-                    @foreach (var product in ViewBag.AllProducts)
+                    @foreach (var product in ViewBag.Products)
                     {
-                        <tr>
+                        <tr data-product-id="@product.Value.Item1.Id">
                             <td>
-                                <input type="checkbox" name="products" value="@product.Id" />
+                                <input type="hidden" name="productIds" value="@product.Key" />
+                                @product.Value.Item1.ProductName
                             </td>
-                            <td>@product.ProductName</td>
                             <td>
-                                <input type="number" name="count" value="0" min="0" class="form-control" />
+                                <input type="number" name="counts" value="@product.Value.Item2" min="0" class="form-control product-count" />
+                            </td>
+                            <td>
+                                <button type="button" class="deleteProduct" data-product-id="@product.Value.Item1.Id">Удалить</button>
                             </td>
                         </tr>
                     }
                 </tbody>
             </table>
         </div>
+        <select id="productSelect" class="form-control">
+            <option value="">Выберите изделие</option>
+            @foreach (var product in ViewBag.AllProducts)
+            {
+                <option value="@product.Id">@product.ProductName</option>
+            }
+        </select>
+        <button type="button" id="addProduct" class="btn btn-secondary">Добавить деталь</button>
     </div>
 	<div class="row">
 		<div class="col-4">Название:</div>
@@ -54,3 +65,79 @@
 		<div class="col-4"><input type="submit" value="Создать" class="btn btn-primary" /></div>
 	</div>
 </form>
+
+
+<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
+<script src="https://cdn.datatables.net/1.11.3/js/jquery.dataTables.js"></script>
+<script>
+    $(document).ready(function () {
+
+        $(document).on('click', '.deleteProduct', function () {
+            var row = $(this).closest('tr');
+            row.remove();
+        });
+
+        $('#addProduct').click(function () {
+            var selectedProduct = $('#productSelect option:selected');
+            if (selectedProduct.val()) {
+                var productId = selectedProduct.val();
+                var productName = selectedProduct.text();
+
+                var exists = false;
+                $('#productsTable tbody tr').each(function () {
+                    if ($(this).data('product-id') == productId) {
+                        exists = true;
+                        return false;
+                    }
+                });
+
+                if (exists) {
+                    alert('Это изделие уже добавлено.');
+                    return;
+                }
+
+                var newRow = `
+                            <tr data-product-id="${productId}">
+                                <td>
+                                    <input type="hidden" name="productIds" value="${productId}" />
+                                    ${productName}
+                                </td>
+                                <td><input type="number" name="counts" value="0" min="1" class="form-control product-count" /></td>
+                                <td><button type="button" class="deleteProduct" data-product-id="${productId}">Удалить</button></td>
+                            </tr>
+                        `;
+                $('#productsTable tbody').append(newRow);
+
+                updateSum();
+                $('#productSelect').val('');
+            } else {
+                alert('Выберите изделие для добавления');
+            }
+        });
+        
+
+        $('#workpieceForm').submit(function (event) {
+            var title = $('#title').val();
+            var isValid = true;
+
+            var totalProducts = $('#productsTable tbody tr').length;
+            if (totalProducts == 0) {
+                alert('Пожалуйста, добавьте хотя бы одно изделие.');
+                isValid = false;
+            }
+
+            $('#productsTable tbody tr').each(function () {
+                var count = $(this).find('input[name="counts"]').val();
+                if (count < 1) {
+                    alert('Количество каждого изделия должно быть не менее 1.');
+                    isValid = false;
+                    return false;
+                }
+            });
+            if (!isValid) {
+                event.preventDefault();
+            }
+        });
+
+    });
+</script>

Factory/FactoryWorkerApp/Views/Home/Workpieces.cshtml

@@ -17,7 +17,7 @@
 			return;
 		}
 		<p>
-			<a asp-action="Workpiece">Создать заказ</a>
+			<a asp-action="Workpiece">Создать заготовку</a>
 
 		</p>