datatable 写入记事本

Question

现在在做抽奖系统，想把获奖名单写入到txt里面，不知该如何实现?

Answer 1

StringBuilder sb = new StringBuilder();foreach(DataRow row in table.Rows)
{
  foreach(object obj in row.ItemArray)
  {
     sb.AppendFormat("{0}\t", obj);
  }
  sb.AppendLine();
}using(StreamWriter sw = System.IO.File.CreateText(fileName))
{
  sw.WriteLine(sb.ToString());
  sw.Close();
}

Answer 2

http://blog.csdn.net/xuesky88/archive/2010/04/26/5528956.aspx

Answer 3

File.WriteAllText
File.AppendAllText
StreamWriter
foreach(DataRow dr in dt.Rows)
{}