ASP.NET

[GET("allproducts")]
[GET("all")]
public HttpResponseMessage Get()
{
 
}
 

[GET("productid/{id?}")]
[GET("particularproduct/{id?}")]
[GET("myproduct/{id:range(1, 3)}")]
public HttpResponseMessage Get(int id)
{
 
}
 
[POST("Create")]
[POST("Register")]
public int Post([FromBody] ProductEntity productEntity)
{
 
}
 

[PUT("Update/productid/{id}")]
[PUT("Modify/productid/{id}")]
public bool Put(int id, [FromBody] ProductEntity productEntity)
{
 
}
 
// DELETE api/product/5
[DELETE("remove/productid/{id}")]
[DELETE("clear/productid/{id}")]
[PUT("delete/productid/{id}")]
public bool Delete(int id)
{
 
}

[GET("productid/{id?}")]
[GET("particularproduct/{id?}")]
[GET("myproduct/{id:range(1, 3)}")]
public HttpResponseMessage Get(int id)
{}

[DELETE("remove/productid/{id}")]
[DELETE("clear/productid/{id}")]
[PUT("delete/productid/{id}")]
public bool Delete(int id)
{
 if (id > 0)
     return _productServices.DeleteProduct(id);
 return false;
}

[RoutePrefix("Movie")]
public class HomeController : Controller
{
      //Route: Movie/Index
      [Route]
      public ActionResult Index()
      {
           ViewBag.Message = "You are in Home Index";
           return View();
      }

      //Route: NewRoute/About
       [Route("~/NewRoute/About")]
       public ActionResult About()
       {
           ViewBag.Message = "You successfully reached NEWRoute/About route";
           return View();
       }
}

[GET("productid/{id?}")]
public HttpResponseMessage Get(int id)
{
    var product = _productServices.GetProductById(id);
    if (product != null)
        return Request.CreateResponse(HttpStatusCode.OK, product);
    return Request.CreateErrorResponse(HttpStatusCode.NotFound, "No product found for this id");
}

protected void Page_Load(object sender, EventArgs e)
        {
            string markers = GetMarkers();
            string map = @"
<script type='text/javascript' src='http://maps.googleapis.com/maps/api/js?sensor=false&key=keyvalue'></script>
<script type='text/javascript'>
function initialize() {

var mapOptions = {
center: new google.maps.LatLng(28.3213, 77.5435),
zoom: 2,
mapTypeId: google.maps.MapTypeId.ROADMAP
};

var myMap = new google.maps.Map(document.getElementById('mapArea'),
mapOptions);" + markers + @"}
</script>
";

            Page.ClientScript.RegisterStartupScript(this.GetType(), "initialize", map, false);
        }



        protected string GetMarkers()
        {
            string markers = "";
            SqlConnection conn = new SqlConnection();
            conn.ConnectionString =ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
            {
                SqlCommand cmd = new SqlCommand("SELECT Latitude, Longitude, RegistrationNumber FROM DriverLocation", conn);
                conn.Open();
                SqlDataReader reader = cmd.ExecuteReader();
                int i = 0;

                while (reader.Read())
                {
                    i++;
                    markers +=
                    @"var marker" + i.ToString() + @" = new google.maps.Marker({
position: new google.maps.LatLng(" + reader["Latitude"].ToString() + ", " +
                    reader["Longitude"].ToString() + ")," +
                    @"map: myMap,
title:'" + reader["RegistrationNumber"].ToString() + "'});";
                }
            }
            return markers;
        }
    }

@model Portal.Models.BaseViewModel

Hi, @Model.FirstName

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace Portal.Models
{
    public class BaseViewModel
    {
        public String FirstName { get; set; }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using Portal.Models;

namespace Portal.Controllers
{
    public class BaseController : Controller
    {
        public BaseController()
        {
            BaseViewModel baseModel = new BaseViewModel()
            {
                FirstName = "John"
            };
        }
    }
}

public class DashboardController : BaseController

System.NullReferenceException: 'Object reference not set to an instance of an object.'

        public object Get()
        {

            dynamic model = null;

            using (AppDevSecEntities ctx = new AppDevSecEntities())
            {
                BSCCrystalReportsViewerEntities ctx2 = new BSCCrystalReportsViewerEntities();

                string maxLanId = ctx.UserLists.OrderByDescending(x => x.LastName).First().WindowsUserName;
                var tempUserJobs = (from c in ctx.UserJobs orderby c.SupervisorUserName select c).Where(x => x.WindowsUserName == maxLanId);
                DataTable UserJobs = Common.ConvertToDataTable<UserJob>(tempUserJobs);

                model =
                    new
                    {
                        SingleEmployee = ctx.spGetShortSingleEmployee(maxLanId).FirstOrDefault(),
                        Departments = (from c in ctx.Departments orderby c.DepartmentName select c).ToList<Department>(),

                        Locations = (from c in ctx.Locations orderby c.LocationName select c).ToList<Location>(),
                        Supervisors = (from c in ctx.Supervisors orderby c.LastName, c.FirstName select c).ToList<Supervisor>(),
                        Managers = (from c in ctx.Managers orderby c.LastName, c.FirstName select c).ToList<Manager>(),
                        Directors = (from c in ctx.Directors orderby c.LastName, c.FirstName select c).ToList<Director>(),
                        Applications = (from c in ctx.Applications orderby c.ApplicationName select c).ToList<Application>(),
                        ApplicationGroups = (from c in ctx.ApplicationGroups orderby c.ApplicationGroupName select c).ToList<ApplicationGroup>(),
                        ApplicationSecurityRoles = (from c in ctx.ApplicationSecurityRoles orderby c.ApplicationSecurityRoleName select c).ToList<ApplicationSecurityRole>(),<br />
                        UserJobs
                    };
            }

            return model;
        }

    loadEmployee: function (employeeID) {
        $.get("/api/EmployeeAPI/Get").then(function (data) {

            var list = $("#ddlApplicationGroup");
            var selectedValue = list.val();

            list.empty();

            $.each(data.ApplicationGroups, function (index, applicationgroup) {
                $("<option>").attr("value", applicationgroup.ApplicationGroupID).text(applicationgroup.ApplicationGroupName).appendTo(list);
            });

            if ((selectedValue == null) || (selectedValue == undefined)) {
                list.prepend("<option value='-1' selected='selected'>Select value</option>");
                list[0].selectedIndex = 0;
            }
            else {
                list.val(selectedValue);
            }

        });
    }

            var a = data.UserJobs;
            var columns = a.api.columns();

            a.columns().every(function () {
                alert(a[0].val();<br />
            });

            $.each(a, function (bb) {               
                alert(a[bb][0]);              
            });