ура я починила эти.. рецепты

окончательно! (надеюсь :_) )

Polyclinic/PolyclinicDatabaseImplement/Models/Recipe.cs

@@ -16,7 +16,7 @@ namespace PolyclinicDatabaseImplement.Models
 
         public string? Comment { get; set; } = string.Empty;
         public int? CourseId { get; set; }
-        public virtual Course Course { get; set; } = new();
+        public virtual Course? Course { get; set; }
 
         private Dictionary<int, IProcedureModel>? _recipeProcedures = null;
 
@@ -63,7 +63,7 @@ namespace PolyclinicDatabaseImplement.Models
             Id = Id,
             ProceduresCount = ProceduresCount,
             Comment = Comment,
-            CourseId = Course?.Id ?? null,
+            CourseId = CourseId ?? null,
         };
 
         public void UpdateProcedures(PolyclinicDatabase database, RecipeBindingModel bindingModel)

Polyclinic/PolyclinicWebAppSuretor/Controllers/HomeController.cs

@@ -48,6 +48,11 @@ namespace PolyclinicWebAppSuretor.Controllers
             return View();
         }
 
+        /// <summary>
+        /// RECIPES
+        /// </summary>
+        /// <returns></returns>
+
         public IActionResult Recipes()
         {
             List<RecipeViewModel> recipes = _recipeLogic.ReadList(null);
@@ -62,7 +67,7 @@ namespace PolyclinicWebAppSuretor.Controllers
         [HttpPost]
         public IActionResult CreateRecipe(RecipeModel model, int[] selectedProcedures)
         {
-            ViewBag.Courses = _courseLogic.ReadList(null);
+            ViewBag.Courses = _courseLogic.ReadList();
             if (HttpContext.Request.Method == "GET")
             {
                 ViewData["Title"] = "Íîâûé ðåöåïò";
@@ -138,6 +143,11 @@ namespace PolyclinicWebAppSuretor.Controllers
             return RedirectToAction("Recipes");
         }
 
+        /// <summary>
+        /// MEDICAMENTS
+        /// </summary>
+        /// <returns></returns>
+
         public IActionResult Medicaments()
         {
             List<MedicamentViewModel> medicaments = _medicamentLogic.ReadList(null);

Polyclinic/PolyclinicWebAppSuretor/Views/Home/CreateRecipe.cshtml

@@ -29,7 +29,7 @@
             <h3 class="col-3">
                 Курс (номер):
             </h3>
-            <select style="width: 45vh" id="courseId" name="courseId" asp-for="RecipeViewModel.CourseId">
+            <select style="width: 45vh" asp-for="RecipeViewModel.CourseId">
                 <option>Выберите номер курса</option>
                 @foreach (var course in ViewBag.Courses)
                 {