Description
After creation Entity Data Model if want to insert a new entity, then follow the below steps.
Example
Write the following code to create anEntity
[csharp]
using System;
using System.Collections.Generic;
public partial class Employee
{
public Employee()
{
this.Departments = new HashSet<Department>();
}
public int EMployeeId { get; set; }
public string StudentName { get; set; }
public Nullable<int> StandardId { get; set; }
public byte[] RowVersion { get; set; }
public virtual Standard Standard { get; set; }
public virtual Salary Salary { get; set; }
public virtual ICollection<Department> Departments { get; set; }
}
[/csharp]
Example
See the following code
[csharp]
using System;
using System.Data.Entity;
using System.Data.Entity.Infrastructure;
using System.Data.Entity.Core.Objects;
using System.Linq;
public partial class EmployeeDBEntities : DbContext
{
public EmployeeDBEntities ()
: base("name=EmployeeDBEntities ")
{
}
protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
}
public virtual DbSet<Department> Departments{ get; set; }
public virtual DbSet<Standard> Standards { get; set; }
public virtual DbSet<Employee> Employees{ get; set; }
public virtual DbSet<Salary> Salary{ get; set; }
public virtual DbSet<Name> Name { get; set; }
}
[/csharp]
See the following to know "How to save the single entity".
[csharp]
class Program
{
static void Main(string[] args)
{
// create new Employee entity object in disconnected scenario
var newEmp = new Employee();
//set Employee name
newEmp.Name = "Bill";
//create DBContext object
using (var con = new EmployeeDBEntities())
{
//Add Employee object into Employee DBset
con.Employees.Add(newEmp);
// call SaveChanges method to save employee into database
con.SaveChanges();
}
}
}
[/csharp]