C# дÈëhtml ÂÒÂëÎÊÌâ - .NET¼¼Êõ / C#

string fileName = Request.PhysicalApplicationPath.ToString() + this.filepath.Replace(@"\", @"\\") + @"mm\" + this.ddlType.SelectedValue + ".htm";//·¾¶
  FileInfo info = new FileInfo(fileName);
  if (info.Exists)//ÐÞ¸Ä
  {
  StreamWriter writer = info.CreateText();
  writer.WriteLine(this.txtContent.Text.Trim());
  writer.Close();
  }
  else//²»´æÔÚʱн¨
  {
  StreamWriter writer2 = File.CreateText(fileName);
  writer2.WriteLine(this.txtContent.Text.Trim());
  writer2.Close();
  }
  this.Page.RegisterStartupScript("alert", "<script language=javascript>alert('²Ù×÷Íê³É£¡');</script>");

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  ÎÒÓÖ°ÑÉÏÃæÐÞ¸ÄÁËÒ»ÏÂ
 string fileName = Request.PhysicalApplicationPath.ToString() + this.filepath.Replace(@"\", @"\\") + @"mm\" + this.ddlType.SelectedValue + ".htm";
  FileInfo info = new FileInfo(fileName);
  if (info.Exists)
  {
  StreamWriter writer = info.CreateText();
  writer.WriteLine(this.txt