大数据量.csv文件导入SQLServer数据库

　　　　 static void Main(string[] args)
        {
            int count = 0;
            string readerPath=@"C:\Users\Administrator\Desktop\readerDemo.csv";
            string writerPath=@"C:\Users\Administrator\Desktop\writeDemo.csv";
            if (File.Exists(writerPath))
            {
                File.Delete(writerPath);
            }
            using (StreamReader reader = new StreamReader(readerPath,Encoding.UTF8))
            {
                while (!reader.EndOfStream)
                {
                    string line = reader.ReadLine();
                    using (StreamWriter writer = new StreamWriter(writerPath, true,Encoding.Default))
                    {
                        writer.WriteLine(line);
                    }
                    count++;
                    Console.WriteLine("正在转码第{0}行,请稍等",count);
                }
            }
            Console.WriteLine("转码完成，共转码{0}条数据",count);
            Console.WriteLine("开始导入数据，请稍等");
            string sql = "BULK INSERT Test.dbo.BagDataTable FROM ‘C:\\Users\\Administrator\\Desktop\\writeDemo.csv‘ WITH(FIELDTERMINATOR=‘,‘,BATCHSIZE=100000,FIRSTROW=2)";
            try
            {
                DbHelper.ExecuteSql(sql);
            }
            catch(Exception ex)
            {
                using (StreamWriter writerLog = new StreamWriter(@"C:\Users\Administrator\Desktop\Log.txt"))
                {
                    writerLog.WriteLine(ex.ToString());
                }
            }
            Console.WriteLine("数据导入完毕");
            Console.ReadKey();
        }
    }