How to create Web API using code first Entity Framework 5.0

How to create Web API using code first Entity Framework 5.0

1) Create ASP.NET MVC 4 application

2) Select Web API Project template

3) Create a Customer class

         public class Customer
    {
        [Key]
        public int custId { get; set; }
        public String Name { get; set; }
        public DateTime DOJ { get; set; }
        public String szEmailID { get; set; }
        public string Mobile { get; set; }
    }

     

4) Create CustomerModel class which is Derived from DBContext

 public class CustomerModel:DbContext
    {
        public CustomerModel() : base("CustDB") { }

        protected override void OnModelCreating(DbModelBuilder mb)
        {
           // mb.Entity<Customer>().ToTable("Customers");
        }


        public DbSet<Customer> customers { get; set; }
    }

   CustDB is a Connection String Specified in Web.config

 <add name="CustDB"
providerName="System.Data.SqlClient" 

connectionString="Server=C4968397007;Trusted_connection=yes;database=mydb;"/>

5) Build the Project

6) Create a Controller Class Select "API controller with read/write operations using Entity Frame "

      Name it as "CustomerController"

      In this 

        select DataContext as CustomerModel
                  Model Class as Customer

7)  That;s it

8) Just run the Web API class in Browser

    http://localhost:port/api/Customer

U will get Empty JSON/XML data.

How to Insert,UPDATE,DELETE on Web API 

pls see below articles

 How to preform CRUD operations on Web API using JavaScript
How to Perform CRUD operations on Web API using JQUERY AJAX