/// 
        /// 打开文件         /// 
        ///         ///         private void button1_Click(object sender, EventArgs e)        {            //OpenFileDialog fileDialog = new OpenFileDialog();            //fileDialog.Multiselect = true;            //fileDialog.Title = "请选择文件";            //fileDialog.Filter = "所有文件(*.*)|*.*";            //if (fileDialog.ShowDialog() == DialogResult.OK)            //{            //    //文件路径            //    filePath = fileDialog.FileName;            //}            //if (filePath!=null)            //{            //    Read2(filePath);            //}            Read2(filePath);        }

　　

 

读取 文件

public void Read2(string path)        {            StreamReader sr;            try            {                sr = new StreamReader(path, Encoding.Default);            }            catch (Exception)            {                return;            }                      while ((line = sr.ReadLine()) != null)            {               Console.WriteLine(line.ToString());                }        }