OnlineMonitorSystem/OnlineMonitorSystem.Model/Model/TableBase.cs

using MongoDB.Bson;
using MongoDB.Bson.Serialization.Attributes;
using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace OnlineMonitorSystem.Model
{
    public abstract class TableBase:ModelBase
    {
        [BsonElement("_id")]
        [BsonId]
        [BsonRepresentation(BsonType.ObjectId)]
        [AllowNull]
        public string Id
        {
            get; set;
        }
    }
}