using System;

using System.Collections.Generic;

using System.ComponentModel.DataAnnotations;

using System.ComponentModel.DataAnnotations.Schema;

using System.Data.Common;

using System.Data.Entity;

using System.Linq;

using System.Web;

namespace DBClientEntity

{

    [Table("User")]//表名

    public class User

    {

        [Key] //主键

        [DatabaseGeneratedAttribute(DatabaseGeneratedOption.None)]//非自增长，自增长为Identity

        [MaxLength()]

        [Column(TypeName= "varchar")]

        public string ID { get; set; }

        [Required]//必填

        [MaxLength()]//字段长度 ，若不指定长度则生成 的表默认为nvarchar(max)

        [Column(TypeName = "varchar")] //指定字段类型为varchar，而非默认的nvarchar

        public string Password { get; set; }

        [Required]

        public byte Type { get; set; }

        [Required]

        public System.DateTime CreateTime { get; set; }

    }

}