ValidateAntiForgeryToken

public IActionResult Edit(int id) {

                var model = this.categoryService.GetById(id);
                return View(model);
            }

        [HttpPost]
        [ValidateAntiForgeryToken]
        public IActionResult Edit(CategoriesViewModel model) {

            if (ModelState.IsValid) {
                this.categoryService.Update(model);
                return RedirectToAction(nameof(Category));
            }

            return this.View(model.Id);
        }

//View
@using CakeStore.App.Areas.Admin.Models.Categories;
@model CategoriesViewModel
@{
    ViewData["Title"] = "Edit";
    Layout = "~/Areas/Admin/Views/Shared/_AdminLayout.cshtml";

}

<h1 class="text-center text-header-page">Edit Category</h1>
<hr class="hr-admin-divider" />
<form class="mx-auto w-50 form-horizontal" method="post"                       action="Edit">
    <div asp-validation-summary="ModelOnly" class="text-danger"></div>
    <div class="form-group">
        <input asp-for="@Model.Id" type="hidden" name="id" value="@Model.Id"/>
    </div>
    <div class="form-group">
        <label asp-for="@Model.Name"></label>
        <input asp-for="@Model.Name" type="text" value="@Model.Name" class="form-control" id="name" name="name">
        <span asp-validation-for="@Model.Name" class="text-danger"></span>
    </div>
    <div class="button-holder d-flex justify-content-center">
        <button type="submit" class="btn button-black-white">Edit</button>
    </div>
</form>

//Model
namespace CakeStore.App.Areas.Admin.Models.Categories {
    public class CategoriesViewModel {
        public int Id { get; set; }
        [Required]
        [StringLength(22,MinimumLength =3,ErrorMessage =AdminConstants.NameRange)]
        public string Name { get; set; }
    }
}