MyAccount.cs

    [EntityLogicalName("account")]
    public class MyAccount : Entity
    {
        public MyAccount() : base("account") { }

        public string odx_clientcode
        {
            get
            {
                return this.GetAttributeValue<string>("odx_clientcode");
            }
            set
            {
                this.SetAttributeValue("odx_clientcode", value);
            }
        }
    }