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SqlBulkCopy类数据导入(自己测试例子)

2011-03-18 17:59 267 查看
public static readonly string ConnData = "Data Source=192.168.0.100;Initial Catalog=DBName;User ID=sa;Password=123456";

protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
DataTable dt = new DataTable();
dt.Columns.Add("ScheduleKey", typeof(Guid));
dt.Columns.Add("AdminUserKey", typeof(Guid));
dt.Columns.Add("ScheduleRuleKey", typeof(Guid));
dt.Columns.Add("eBayProfileKey", typeof(Guid));
dt.Columns.Add("LaunchTimeSite", typeof(DateTime));
dt.Columns.Add("CreationDate", typeof(DateTime));
for (int i = 0; i < 7000; i++)
{
DataRow dr = dt.NewRow();
dr["ScheduleKey"] = Guid.NewGuid();
dr["AdminUserKey"] = Guid.NewGuid();
dr["ScheduleRuleKey"] = Guid.NewGuid();
dr["eBayProfileKey"] = Guid.NewGuid();
dr["LaunchTimeSite"] = DateTime.Now;
dr["CreationDate"] = DateTime.Now;
dt.Rows.Add(dr);
}

SqlBulkCopy(dt);
}
}

#region 批量插入数据到数据库
DateTime startTime;
private bool SqlBulkCopy(DataTable dt)
{

try
{
startTime = DateTime.Now;
//数据批量导入sqlserver,创建实例 SqlBulkCopyOptions.UseInternalTransaction采用事务 复制失败自动回滚
System.Data.SqlClient.SqlBulkCopy sqlbulk = new System.Data.SqlClient.SqlBulkCopy(ConnData, SqlBulkCopyOptions.UseInternalTransaction);
sqlbulk.SqlRowsCopied +=
new SqlRowsCopiedEventHandler(OnRowsCopied); //订阅复制完成后的方法,参数是 sqlbulk.NotifyAfter的值
sqlbulk.NotifyAfter = dt.Rows.Count;

//目标数据库表名
sqlbulk.DestinationTableName = "pa_ScheduleShadow";
//数据集字段索引与数据库字段索引映射
sqlbulk.ColumnMappings.Add(0, "ScheduleKey");
sqlbulk.ColumnMappings.Add(1, "AdminUserKey");
sqlbulk.ColumnMappings.Add(2, "ScheduleRuleKey");
sqlbulk.ColumnMappings.Add(3, "eBayProfileKey");
sqlbulk.ColumnMappings.Add(4, "LaunchTimeSite");
sqlbulk.ColumnMappings.Add(5, "CreationDate");
//导入
sqlbulk.WriteToServer(dt);
sqlbulk.Close();
return true;
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
finally
{
dt.Dispose();
}
}

//复制完成后的处理事件
private void OnRowsCopied(object sender, SqlRowsCopiedEventArgs args)
{
lblCounter.Text += args.RowsCopied.ToString() + " 条记录已导入";
TimeSpan copyTime = DateTime.Now - startTime;
lblCounter.Text += "  花费时间:" + copyTime.Seconds.ToString() + "." +
copyTime.Milliseconds.ToString() + " 秒";
}
#endregion
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