Model Class: D_Course.cs

using Appeon.Data;
using System;
using System.ComponentModel.DataAnnotations;

namespace Appeon.ApiDoc
{
    [FromTable("Course", Schema= "dbo")]
    [UpdateWhereStrategy(UpdateWhereStrategy.KeyAndConcurrencyCheckColumns)]
    public class D_Course
    {
        [Key]
        public Int32 Courseid { get; set; }

        [ConcurrencyCheck]
        public String Title { get; set; }

        [ConcurrencyCheck]
        public Int32 Credits { get; set; }

        [ConcurrencyCheck]
        public Int32 Departmentid { get; set; }

    }
}