пробую добавить регистрацию

Polyclinic/PolyclinicWebView/Controllers/HomeController.cs

@@ -1,6 +1,7 @@
 using Microsoft.AspNetCore.Mvc;
 using PolyclinicWebView.Models;
 using System.Diagnostics;
+using System.Globalization;
 
 namespace PolyclinicWebView.Controllers
 {
@@ -13,8 +14,10 @@ namespace PolyclinicWebView.Controllers
             _logger = logger;
         }
 
+        [HttpGet]
         public IActionResult Index()
         {
+
            return View();
         }
 

Polyclinic/PolyclinicWebView/Views/Home/Register.cshtml

@@ -0,0 +1,27 @@
+@{
+    ViewData["Title"] = "Register";
+}
+<div class="text-center">
+    <h2 class="display-4">Регистрация</h2>
+</div>
+<form method="post">
+    <div class="row">
+        <div class="col-4">Email:</div>
+        <div class="col-8"><input type="text" name="email" /></div>
+    </div>
+    <div class="row">
+        <div class="col-4">Пароль:</div>
+        <div class="col-8"><input type="password" name="password" /></div>
+    </div>
+    <div class="row">
+        <div class="col-4">ФИО:</div>
+        <div class="col-8"><input type="text" name="fio" /></div>
+    </div>
+    <div class="row">
+        <div class="col-8"></div>
+        <div class="col-4">
+            <input type="submit" value="Регистрация"
+                   class="btn btn-primary" />
+        </div>
+    </div>
+</form>