namespace MongoDBTest {     using System;     using System.Collections.Generic;     using System.Linq;     using System.Text;     using MongoDB.Driver;     using MongoDB.Bson;      internal class LoginDemo     {         MongoDatabase db;         MongoCollection collections;         public LoginDemo()         {             MongoServerSettings set = new MongoServerSettings()             {                 Server = new MongoServerAddress("127.0.0.1")             };             MongoServer server = new MongoServer(set);             db = server.GetDatabase("mydb");             collections = db.GetCollection("login");         }          /// 
         /// 单个对象插入         /// 
         public void InsertLogin()         {             var Time = DateTime.Now.ToUniversalTime();              //实例一 添加匿名对象             var login = new { _id = "newid_100002", time = Time, userid = 10002, sessionid = "20110829215102", ip = "192.168.0.2", title = "注册", url = "Register.aspx" };             collections.Insert(login);//插入成功              //添加一个BsonDocument对象             BsonDocument doc = new BsonDocument();             doc.Add("_id", BsonValue.Create("newid_100003"));             doc.Add("time", BsonValue.Create(Time));             doc.Add("userid", BsonValue.Create(10003));             doc.Add("sessionid", BsonValue.Create("20110829215103"));             doc.Add("ip", BsonValue.Create("192.168.0.3"));             doc.Add("title", BsonValue.Create("注册"));             doc.Add("url", BsonValue.Create("Register.aspx"));             collections.Insert(doc);//插入成功              //添加一个对象             Login man = new Login();             man._id = "newid_100004";             man.time = Time;             man.userid = 10004;             man.sessionid = "20110829215104";             man.ip = "192.168.0.4";             man.title = "注册";             man.url = "Register.aspx";             collections.Insert(man);//插入成功          }         /// 
         /// 批量插入         /// 
         public void InsertBatchLogin()         {             var Time = DateTime.Now.ToUniversalTime();             List
    
      logins = new List
     
      ();              for (int i = 0; i < 100; i++)             {                 Login man = new Login();                 man._id = "newid_100001" + i.ToString();//_id在批量插入的时候不能重复，如果有一个重复全部集合无法插入到集合                 man.time = Time;                 man.userid = 10004 + i;                 man.sessionid = "20110829215104";                 man.ip = "192.168.0.4";                 man.title = "注册";                 man.url = "Register.aspx";                 logins.Add(man);             }             collections.InsertBatch(typeof(Login), logins); //插入成功         }     }      public class Login     {         public string _id { get; set; }         public DateTime time { get; set; }         public int userid { get; set; }         public string sessionid { get; set; }         public string ip { get; set; }         public string title { get; set; }         public string url { get; set; }     } }