//获取不同版本的DataRowusing System;using System.IO;using System.Text;using System.Diagnostics;using System.Threading;using System.Collections;using System.Data;using System.Xml;using System.Management;using System.Net;
namespace Zhzuo{ class ZZConsole { [STAThread] static void Main(string[] args) { DataSet ds = new DataSet(); CreatDataSetSchema(ds); InitData(ds); DataRow drdel = ds.Tables["Hosts"].Rows[0]; drdel.Delete(); Console.WriteLine(drdel.HasVersion(DataRowVersion.Default).ToString()); foreach(DataRow dr in ds.Tables["Hosts"].GetChanges(DataRowState.Deleted).Rows) { //if(dr.HasVersion(DataRowVersion.Current)) //{ Console.WriteLine((string)dr["HId"]); Console.WriteLine(dr["IsLocal",DataRowVersion.Original].ToString()); //} } Console.WriteLine("end"); Console.ReadLine(); } //初始化数据集结构 private static void CreatDataSetSchema(DataSet ds) { DataTable dt = new DataTable("Hosts"); DataColumn dc = new DataColumn("HId",typeof(String)); dt.Columns.Add(dc); dc = new DataColumn("IsLocal",typeof(Boolean)); dt.Columns.Add(dc); ds.Tables.Add(dt); } //加入数据 private static void InitData(DataSet ds) { DataRow hostsRow = ds.Tables["Hosts"].NewRow(); hostsRow["HId"] = "192.192.132.229"; hostsRow["IsLocal"] = true; ds.Tables["Hosts"].Rows.Add(hostsRow);
hostsRow = ds.Tables["Hosts"].NewRow(); hostsRow["HId"] = "192.192.132.231"; hostsRow["IsLocal"] = false; ds.Tables["Hosts"].Rows.Add(hostsRow);
hostsRow = ds.Tables["Hosts"].NewRow(); hostsRow["HId"] = "192.192.132.233"; hostsRow["IsLocal"] = false; ds.Tables["Hosts"].Rows.Add(hostsRow); } } }
