Add project files.

DXApp.TemplateKitProject/Controllers/SampleDataController.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Net.Http;
+using DevExtreme.AspNet.Data;
+using DevExtreme.AspNet.Mvc;
+using DXApp.TemplateKitProject.Models;
+using Microsoft.AspNetCore.Mvc;
+
+namespace DXApp.TemplateKitProject.Controllers
+{
+    [Route("api/[controller]")]
+    public class SampleDataController : Controller
+    {
+
+        [HttpGet]
+        public object Get(DataSourceLoadOptions loadOptions)
+        {
+            return DataSourceLoader.Load(SampleData.Orders, loadOptions);
+        }
+
+    }
+}