GeradeDev

public class Order
{
    public Guid CustomerId { get; private set; }
    public string OrderNo { get; private set; }
    public DateTime DatePlaced { get; private set; }
    public DateTime? DatePaid { get; private set; }
    public decimal OrderTotal { get; private set; }
    public decimal TotalVat { get; private set; }
    public int? ShippingType { get; private set; }
    

GeradeDev

using (var ctx = new OrderContext())
{
  //Loading Order only
  Order o = await ctx.Orders.GetAsync(OrderId);

  //Loads Order LineItems using Lazy Loading
  var orderItems = o.LineItems;
}

GeradeDev

 public class OrderingDbContext : DbContext
    {
        public DbSet<Order> Order { get; set; }
        public DbSet<LineItem> LineItem { get; set; }

        public OrderingDbContext(DbContextOptions<OrderingDbContext> options) : base(options)
        {
        }

        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)

GeradeDev

using (var context = new OrderingDbContext())
{
    // Load all Orders and related Line Items
    var orders = context.Order
                        .Include(b => b.LineItem)
                        .ToList();
                        
    // Load an Order and it's related Line Items
    var orders = context.Order
                        .Where(x => x.OrderId == orderId)

GeradeDev

services.AddApiVersioning(options =>
{
    options.ReportApiVersions = true;
    options.DefaultApiVersion = new ApiVersion(1, 0);
    options.AssumeDefaultVersionWhenUnspecified = true;
});

GeradeDev

namespace HomeController
{
    [ApiVersion("1.0")]
    [Route("api/Values")]
    public class HomeController : Controller
    {
        [HttpGet]
        public IEnumerable<string> Get()
        {
            return new string[] { "Value1 from Version 1", "value2 from Version 1" };

GeradeDev

[Route("api/{v:apiVersion}/Values")]
public class HomeController : Controller
{
    [HttpGet]
    public IEnumerable<string> Get()
    {
        return new string[] { "Value1 from Version 2", "value2 from Version 2" };
    }
}

GeradeDev

services.AddApiVersioning(options =>
{
    options.ReportApiVersions = true;
    options.DefaultApiVersion = new ApiVersion(1, 0);
    options.AssumeDefaultVersionWhenUnspecified = true;

    //Add Conventions
    options.Conventions.Controller<HomeController>().HasApiVersion(new ApiVersion(1, 0));
    options.Conventions.Controller<HomeV2Controller>().HasApiVersion(new ApiVersion(2, 0));
});

GeradeDev

[ApiVersionNeutral] 
[RoutePrefix( "api/[controller]" )] 
public class PingController : Controller {
  return Ok();
}

GeradeDev

namespace HomeController
{
    [ApiVersion("1.0")]
    [Route("api/Values")]
    public class HomeController : Controller
    {
        [HttpGet]
        public IEnumerable<string> Get()
        {
            return new string[] { "Value1 from Version 1", "value2 from Version 1" };