Adding in server side validation - but need to clarify that this is the 'right' way to do it that wires up correctly/magically back to the UI components

src/Umbraco.Web/Models/ContentEditing/TemplateDisplay.cs

@@ -1,21 +1,26 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
 using System.Linq;
 using System.Runtime.Serialization;
 using System.Text;
 using System.Threading.Tasks;
+using Umbraco.Core.Models.Validation;
 
 namespace Umbraco.Web.Models.ContentEditing
 {
     [DataContract(Name = "template", Namespace = "")]
     public class TemplateDisplay
     {
+
         [DataMember(Name = "id")]
         public int Id { get; set; }
 
+        [Required]
         [DataMember(Name = "name")]
         public string Name { get; set; }
 
+        [RequiredForPersistence]
         [DataMember(Name = "alias")]
         public string Alias { get; set; }