Add no-cache header to error pages (#182)

Addresses #123

src/Microsoft.AspNetCore.SpaTemplates/content/Aurelia-CSharp/Controllers/HomeController.cs

@@ -14,6 +14,7 @@ namespace AureliaSpa.Controllers
             return View();
         }
 
+        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
         public IActionResult Error()
         {
             ViewData["RequestId"] = Activity.Current?.Id ?? HttpContext.TraceIdentifier;

src/Microsoft.AspNetCore.SpaTemplates/content/Knockout-CSharp/Controllers/HomeController.cs

@@ -14,6 +14,7 @@ namespace KnockoutSpa.Controllers
             return View();
         }
 
+        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
         public IActionResult Error()
         {
             ViewData["RequestId"] = Activity.Current?.Id ?? HttpContext.TraceIdentifier;

src/Microsoft.AspNetCore.SpaTemplates/content/Vue-CSharp/Controllers/HomeController.cs

@@ -14,6 +14,7 @@ namespace VueSpa.Controllers
             return View();
         }
 
+        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
         public IActionResult Error()
         {
             ViewData["RequestId"] = Activity.Current?.Id ?? HttpContext.TraceIdentifier;

src/Microsoft.DotNet.Web.ProjectTemplates/content/RazorPagesWeb-CSharp/Pages/Error.cshtml.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
 using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.RazorPages;
 
 namespace Company.WebApplication1.Pages
@@ -13,6 +14,7 @@ namespace Company.WebApplication1.Pages
 
         public bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
 
+        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
         public void OnGet()
         {
             RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier;

src/Microsoft.DotNet.Web.ProjectTemplates/content/StarterWeb-CSharp/Controllers/HomeController.cs

@@ -38,6 +38,7 @@ namespace Company.WebApplication1.Controllers
 #if (OrganizationalAuth)
         [AllowAnonymous]
 #endif
+        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
         public IActionResult Error()
         {
             return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });