Category: Video

Video -How to create object in JavaScript using the new operator – #JavaScriptin5minutes

In this video, you will learn, to create object in JavaScript using the new operator. Creating object using new operator is also known as using the CONSTRUCTOR PATTERN in JavaScript.

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Video : One to one relationship between entities in Entity Framework Code First

Container.cs



namespace EFCodeFirstDemo.EFLib
{
   public class Container
    {
        public int ID { get; set; }
        public string ContainerName { get; set; }

        public virtual  Product product { get; set; }

    }
}

Product.cs


using System.ComponentModel.DataAnnotations;

namespace EFCodeFirstDemo.EFLib
{
   public class Product
    {
   
      // [ForeignKey("Container")]
        public int ID { get; set; }
        public string  ProductName { get; set; }

        public double  ProductPrice { get; set; }

        [Required]
        public virtual Container container { get; set; }
    }
}

EFContext.cs


using System.Data.Entity;

namespace EFCodeFirstDemo.EFLib
{
   public class EFContext : DbContext
    {
       public EFContext()
       {
           Database.SetInitializer<EFContext>(new DropCreateDatabaseIfModelChanges<EFContext>());
       }

       public DbSet<Product> Products { get; set; }
       public DbSet<Container> Containers { get; set; }
    }
}