private void DTDReplacer(string file)
{
string text = null;
using (StreamReader sr = new StreamReader(file))
{
String line;
while ((line = sr.ReadLine()) != null)
text += line;
sr.Close();
}
//replace it
text = text.Replace("<!DOCTYPE manifest:manifest PUBLIC \"-//OpenOffice.org//DTD Manifest 1.0//EN\" \"Manifest.dtd\">", "");
//Overwrite it
FileStream fstream = File.Create(file);
StreamWriter swriter = new StreamWriter(fstream);
swriter.WriteLine(text);
swriter.Close();
fstream.Close();
}
}