crud operation code first approch in asp.net mvc entity framework

in this article, i will show you, crud operation code first approch in asp.net mvc entity framework

---model class---

public class Employee
{
    public int Id { get; set; }
    [Required]
    public string Name { get; set; }
    [Required]
    public string Salary { get; set; }
}

---download package---

Install-Package EntityFramework

---dbcontext class---

public class EmployeeDbContext:DbContext
{
    //manual change connectionstring base class parameter
    public EmployeeDbContext():base("DBCON"){}
    public DbSet<Employee> employees { get; set; }
}

---web config---

<connectionStrings>
    <add name="DBCON" connectionString="Data Source=.;Integrated Security=true;Initial Catalog=TESTDB" providerName="System.Data.SqlClient"/>
</connectionStrings>

---controller---

add mvc5 controller with view,using entity framework

---enable migration---

if any changes on model class than enable migration for update database, there is following code run on package manager console:

(i) Enable-Migrations
(ii) Add-Migration Init
(iii) Update-Database -Verbose