Add project files.

EmployeeDBAPI.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.33920.266
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EmployeeDBAPI", "EmployeeDBAPI\EmployeeDBAPI.csproj", "{6A5A15B1-9592-4637-9007-8DFC363149E2}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{6A5A15B1-9592-4637-9007-8DFC363149E2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6A5A15B1-9592-4637-9007-8DFC363149E2}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6A5A15B1-9592-4637-9007-8DFC363149E2}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6A5A15B1-9592-4637-9007-8DFC363149E2}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {C69161DA-6985-4840-8CFE-D6DB956474C4}
+	EndGlobalSection
+EndGlobal

EmployeeDBAPI/App_Start/BundleConfig.cs

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+using System.Web;
+using System.Web.Optimization;
+
+namespace EmployeeDBAPI
+{
+    public class BundleConfig
+    {
+        // For more information on bundling, visit https://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 https://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"));
+
+            bundles.Add(new StyleBundle("~/Content/css").Include(
+                      "~/Content/bootstrap.css",
+                      "~/Content/site.css"));
+        }
+    }
+}

EmployeeDBAPI/App_Start/FilterConfig.cs

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

EmployeeDBAPI/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 EmployeeDBAPI
+{
+    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 }
+            );
+        }
+    }
+}

EmployeeDBAPI/App_Start/WebApiConfig.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web.Http;
+
+namespace EmployeeDBAPI
+{
+    public static class WebApiConfig
+    {
+        public static void Register(HttpConfiguration config)
+        {
+            // Web API configuration and services
+
+            // Web API routes
+            config.MapHttpAttributeRoutes();
+
+            config.Routes.MapHttpRoute(
+                name: "DefaultApi",
+                routeTemplate: "api/{controller}/{action}/{id}",
+                defaults: new { id = RouteParameter.Optional }
+            );
+        }
+    }
+}

EmployeeDBAPI/Areas/HelpPage/ApiDescriptionExtensions.cs

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+using System;
+using System.Text;
+using System.Web;
+using System.Web.Http.Description;
+
+namespace EmployeeDBAPI.Areas.HelpPage
+{
+    public static class ApiDescriptionExtensions
+    {
+        /// <summary>
+        /// Generates an URI-friendly ID for the <see cref="ApiDescription"/>. E.g. "Get-Values-id_name" instead of "GetValues/{id}?name={name}"
+        /// </summary>
+        /// <param name="description">The <see cref="ApiDescription"/>.</param>
+        /// <returns>The ID as a string.</returns>
+        public static string GetFriendlyId(this ApiDescription description)
+        {
+            string path = description.RelativePath;
+            string[] urlParts = path.Split('?');
+            string localPath = urlParts[0];
+            string queryKeyString = null;
+            if (urlParts.Length > 1)
+            {
+                string query = urlParts[1];
+                string[] queryKeys = HttpUtility.ParseQueryString(query).AllKeys;
+                queryKeyString = String.Join("_", queryKeys);
+            }
+
+            StringBuilder friendlyPath = new StringBuilder();
+            friendlyPath.AppendFormat("{0}-{1}",
+                description.HttpMethod.Method,
+                localPath.Replace("/", "-").Replace("{", String.Empty).Replace("}", String.Empty));
+            if (queryKeyString != null)
+            {
+                friendlyPath.AppendFormat("_{0}", queryKeyString.Replace('.', '-'));
+            }
+            return friendlyPath.ToString();
+        }
+    }
+}

EmployeeDBAPI/Areas/HelpPage/App_Start/HelpPageConfig.cs

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+// Uncomment the following to provide samples for PageResult<T>. Must also add the Microsoft.AspNet.WebApi.OData
+// package to your project.
+////#define Handle_PageResultOfT
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Diagnostics.CodeAnalysis;
+using System.Linq;
+using System.Net.Http.Headers;
+using System.Reflection;
+using System.Web;
+using System.Web.Http;
+#if Handle_PageResultOfT
+using System.Web.Http.OData;
+#endif
+
+namespace EmployeeDBAPI.Areas.HelpPage
+{
+    /// <summary>
+    /// Use this class to customize the Help Page.
+    /// For example you can set a custom <see cref="System.Web.Http.Description.IDocumentationProvider"/> to supply the documentation
+    /// or you can provide the samples for the requests/responses.
+    /// </summary>
+    public static class HelpPageConfig
+    {
+        [SuppressMessage("Microsoft.Globalization", "CA1303:Do not pass literals as localized parameters",
+            MessageId = "EmployeeDBAPI.Areas.HelpPage.TextSample.#ctor(System.String)",
+            Justification = "End users may choose to merge this string with existing localized resources.")]
+        [SuppressMessage("Microsoft.Naming", "CA2204:Literals should be spelled correctly",
+            MessageId = "bsonspec",
+            Justification = "Part of a URI.")]
+        public static void Register(HttpConfiguration config)
+        {
+            //// Uncomment the following to use the documentation from XML documentation file.
+            //config.SetDocumentationProvider(new XmlDocumentationProvider(HttpContext.Current.Server.MapPath("~/App_Data/XmlDocument.xml")));
+
+            //// Uncomment the following to use "sample string" as the sample for all actions that have string as the body parameter or return type.
+            //// Also, the string arrays will be used for IEnumerable<string>. The sample objects will be serialized into different media type 
+            //// formats by the available formatters.
+            //config.SetSampleObjects(new Dictionary<Type, object>
+            //{
+            //    {typeof(string), "sample string"},
+            //    {typeof(IEnumerable<string>), new string[]{"sample 1", "sample 2"}}
+            //});
+
+            // Extend the following to provide factories for types not handled automatically (those lacking parameterless
+            // constructors) or for which you prefer to use non-default property values. Line below provides a fallback
+            // since automatic handling will fail and GeneratePageResult handles only a single type.
+#if Handle_PageResultOfT
+            config.GetHelpPageSampleGenerator().SampleObjectFactories.Add(GeneratePageResult);
+#endif
+
+            // Extend the following to use a preset object directly as the sample for all actions that support a media
+            // type, regardless of the body parameter or return type. The lines below avoid display of binary content.
+            // The BsonMediaTypeFormatter (if available) is not used to serialize the TextSample object.
+            config.SetSampleForMediaType(
+                new TextSample("Binary JSON content. See http://bsonspec.org for details."),
+                new MediaTypeHeaderValue("application/bson"));
+
+            //// Uncomment the following to use "[0]=foo&[1]=bar" directly as the sample for all actions that support form URL encoded format
+            //// and have IEnumerable<string> as the body parameter or return type.
+            //config.SetSampleForType("[0]=foo&[1]=bar", new MediaTypeHeaderValue("application/x-www-form-urlencoded"), typeof(IEnumerable<string>));
+
+            //// Uncomment the following to use "1234" directly as the request sample for media type "text/plain" on the controller named "Values"
+            //// and action named "Put".
+            //config.SetSampleRequest("1234", new MediaTypeHeaderValue("text/plain"), "Values", "Put");
+
+            //// Uncomment the following to use the image on "../images/aspNetHome.png" directly as the response sample for media type "image/png"
+            //// on the controller named "Values" and action named "Get" with parameter "id".
+            //config.SetSampleResponse(new ImageSample("../images/aspNetHome.png"), new MediaTypeHeaderValue("image/png"), "Values", "Get", "id");
+
+            //// Uncomment the following to correct the sample request when the action expects an HttpRequestMessage with ObjectContent<string>.
+            //// The sample will be generated as if the controller named "Values" and action named "Get" were having string as the body parameter.
+            //config.SetActualRequestType(typeof(string), "Values", "Get");
+
+            //// Uncomment the following to correct the sample response when the action returns an HttpResponseMessage with ObjectContent<string>.
+            //// The sample will be generated as if the controller named "Values" and action named "Post" were returning a string.
+            //config.SetActualResponseType(typeof(string), "Values", "Post");
+        }
+
+#if Handle_PageResultOfT
+        private static object GeneratePageResult(HelpPageSampleGenerator sampleGenerator, Type type)
+        {
+            if (type.IsGenericType)
+            {
+                Type openGenericType = type.GetGenericTypeDefinition();
+                if (openGenericType == typeof(PageResult<>))
+                {
+                    // Get the T in PageResult<T>
+                    Type[] typeParameters = type.GetGenericArguments();
+                    Debug.Assert(typeParameters.Length == 1);
+
+                    // Create an enumeration to pass as the first parameter to the PageResult<T> constuctor
+                    Type itemsType = typeof(List<>).MakeGenericType(typeParameters);
+                    object items = sampleGenerator.GetSampleObject(itemsType);
+
+                    // Fill in the other information needed to invoke the PageResult<T> constuctor
+                    Type[] parameterTypes = new Type[] { itemsType, typeof(Uri), typeof(long?), };
+                    object[] parameters = new object[] { items, null, (long)ObjectGenerator.DefaultCollectionSize, };
+
+                    // Call PageResult(IEnumerable<T> items, Uri nextPageLink, long? count) constructor
+                    ConstructorInfo constructor = type.GetConstructor(parameterTypes);
+                    return constructor.Invoke(parameters);
+                }
+            }
+
+            return null;
+        }
+#endif
+    }
+}

EmployeeDBAPI/Areas/HelpPage/Controllers/HelpController.cs

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+using System;
+using System.Web.Http;
+using System.Web.Mvc;
+using EmployeeDBAPI.Areas.HelpPage.ModelDescriptions;
+using EmployeeDBAPI.Areas.HelpPage.Models;
+
+namespace EmployeeDBAPI.Areas.HelpPage.Controllers
+{
+    /// <summary>
+    /// The controller that will handle requests for the help page.
+    /// </summary>
+    public class HelpController : Controller
+    {
+        private const string ErrorViewName = "Error";
+
+        public HelpController()
+            : this(GlobalConfiguration.Configuration)
+        {
+        }
+
+        public HelpController(HttpConfiguration config)
+        {
+            Configuration = config;
+        }
+
+        public HttpConfiguration Configuration { get; private set; }
+
+        public ActionResult Index()
+        {
+            ViewBag.DocumentationProvider = Configuration.Services.GetDocumentationProvider();
+            return View(Configuration.Services.GetApiExplorer().ApiDescriptions);
+        }
+
+        public ActionResult Api(string apiId)
+        {
+            if (!String.IsNullOrEmpty(apiId))
+            {
+                HelpPageApiModel apiModel = Configuration.GetHelpPageApiModel(apiId);
+                if (apiModel != null)
+                {
+                    return View(apiModel);
+                }
+            }
+
+            return View(ErrorViewName);
+        }
+
+        public ActionResult ResourceModel(string modelName)
+        {
+            if (!String.IsNullOrEmpty(modelName))
+            {
+                ModelDescriptionGenerator modelDescriptionGenerator = Configuration.GetModelDescriptionGenerator();
+                ModelDescription modelDescription;
+                if (modelDescriptionGenerator.GeneratedModels.TryGetValue(modelName, out modelDescription))
+                {
+                    return View(modelDescription);
+                }
+            }
+
+            return View(ErrorViewName);
+        }
+    }
+}