Samples Reappend

Samples/TripleAdd/Models/ErrorViewModel.cs

@@ -0,0 +1,9 @@
+namespace TripleAdd.Models
+{
+    public class ErrorViewModel
+    {
+        public string? RequestId { get; set; }
+
+        public bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
+    }
+}

Samples/TripleAdd/Models/TripleAddViewModel.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web;
+
+namespace TripleAdd.Models
+{
+    public class TripleAddViewModel
+    {
+        public ushort Add1 { get; set; }
+        public ushort Add2 { get; set; }
+        public ushort Add3 { get; set; }
+        public ushort Ans { get; set; }
+    }
+}