chore: Add Grid example with Popup editor template and required DropDownListFor editor

Author: pepinho24

grid/grid-popup-editing-dropdownlistfor-required/KendoUIMVC5.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 2012
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "KendoUIMVC5", "KendoUIMVC5\KendoUIMVC5.csproj", "{F06CAD57-4977-46EB-8CC1-2BC40656BBF8}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{F06CAD57-4977-46EB-8CC1-2BC40656BBF8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F06CAD57-4977-46EB-8CC1-2BC40656BBF8}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F06CAD57-4977-46EB-8CC1-2BC40656BBF8}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F06CAD57-4977-46EB-8CC1-2BC40656BBF8}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

grid/grid-popup-editing-dropdownlistfor-required/KendoUIMVC5/App_Start/BundleConfig.cs

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+using System.Web;
+using System.Web.Optimization;
+
+namespace KendoUIMVC5
+{
+    public class BundleConfig
+    {
+        // For more information on bundling, visit http://go.microsoft.com/fwlink/?LinkId=301862
+        public static void RegisterBundles(BundleCollection bundles)
+        {
+            bundles.Add(new ScriptBundle("~/bundles/jquery").Include(
+                        "~/Scripts/jquery-{version}.js"));
+
+            // Use the development version of Modernizr to develop with and learn from. Then, when you're
+            // ready for production, use the build tool at http://modernizr.com to pick only the tests you need.
+            bundles.Add(new ScriptBundle("~/bundles/modernizr").Include(
+                        "~/Scripts/modernizr-*"));
+
+            bundles.Add(new ScriptBundle("~/bundles/bootstrap").Include(
+                      "~/Scripts/bootstrap.js",
+                      "~/Scripts/respond.js"));
+
+            bundles.Add(new StyleBundle("~/Content/css").Include(
+                      "~/Content/bootstrap.css",
+                      "~/Content/site.css"));
+        }
+    }
+}

grid/grid-popup-editing-dropdownlistfor-required/KendoUIMVC5/App_Start/FilterConfig.cs

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+using System.Web;
+using System.Web.Mvc;
+
+namespace KendoUIMVC5
+{
+    public class FilterConfig
+    {
+        public static void RegisterGlobalFilters(GlobalFilterCollection filters)
+        {
+            filters.Add(new HandleErrorAttribute());
+        }
+    }
+}

grid/grid-popup-editing-dropdownlistfor-required/KendoUIMVC5/App_Start/RouteConfig.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web;
+using System.Web.Mvc;
+using System.Web.Routing;
+
+namespace KendoUIMVC5
+{
+    public class RouteConfig
+    {
+        public static void RegisterRoutes(RouteCollection routes)
+        {
+            routes.IgnoreRoute("{resource}.axd/{*pathInfo}");
+
+            routes.MapRoute(
+                name: "Default",
+                url: "{controller}/{action}/{id}",
+                defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }
+            );
+        }
+    }
+}