namespace present.Models
{
    public class ManagerModel
    {
        public ManagerModel() { }

        [Key]
        [DisplayName("编号")]
        public int manager_id { get; set; }

        [DisplayName("姓名")]
        public string manager_name { get; set; }

        [DisplayName("邮箱")]
        public string manager_email { get; set; }

        [DisplayName("账号")]
        public string manager_uid { get; set; }

        [DisplayName("密码")]
        public string manager_pwd { get; set; }

        [DisplayName("添加时间")]
        public DateTime add_time { get; set; }

        [DisplayName("是否启用")]
        public bool is_open { get; set; }

        [DisplayName("关闭时间")]
        public DateTime close_time { get; set; }
    }
}

namespace present.Models
{
    public class DataContext : DbContext
    {
        private readonly static string Connection_String = "name=db_presentEntities";

        public DbSet<ManagerModel> Manager { get; set; }


        public DataContext()
            : base(Connection_String) { }//不写这个  默认的就是SchoolContext 

        protected override void OnModelCreating(DbModelBuilder modelBuilder)
        {
            modelBuilder.Conventions.Remove<PluralizingTableNameConvention>();//移除复数表名的契约          
            modelBuilder.Conventions.Remove<IncludeMetadataConvention>();//防止黑幕交易 要不然每次都要访问 EdmMetadata这个表           



        }
    }
}

<connectionStrings>

<add name="db_presentEntities" connectionString="metadata=res://*/Models.Entity.Db_Present.csdl|res://*/Models.Entity.Db_Present.ssdl|res://*/Models.Entity.Db_Present.msl;provider=System.Data.SqlClient;provider connection string=&quot;Data Source=192.168.0.16\SQL2005;Initial Catalog=db_present;Persist Security Info=True;User ID=db_present;Password=db_present;MultipleActiveResultSets=True&quot;" providerName="System.Data.EntityClient"  />
  <!--<add name="db_presentEntities"     providerName="System.Data.SqlClient" connectionString="Data Source=.;Initial Catalog=Present;uid=sa;pwd=sasa" />-->
</connectionStrings>