OpenFileDialog fileName = new OpenFileDialog();
fileName.ShowDialog();
//StreamReader sr = File.OpenText(fileName.FileName);
string str;
StreamReader sr = new StreamReader(fileName.OpenFile(),System.Text.Encoding.GetEncoding("GB2312"));
fileName.ShowDialog();
//StreamReader sr = File.OpenText(fileName.FileName);
string str;
StreamReader sr = new StreamReader(fileName.OpenFile(),System.Text.Encoding.GetEncoding("GB2312"));
string msg="我是一个字符串!";把msg发过去就变成???了