protected void Page_Load(object sender, System.EventArgs e)
{
ApplicationClass wordApp = new ApplicationClass();
object file = Server.MapPath("d1.doc");
object nullobj = System.Reflection.Missing.Value;
Microsoft.Office.Interop.Word.Document doc = wordApp.Documents.Open(
ref file, ref nullobj, ref nullobj,
ref nullobj, ref nullobj, ref nullobj,
ref nullobj, ref nullobj, ref nullobj,
ref nullobj, ref nullobj, ref nullobj, ref nullobj,
ref nullobj, ref nullobj, ref nullobj);
doc.ActiveWindow.Selection.WholeStory();
doc.ActiveWindow.Selection.Copy();
string sFileText = doc.Content.Text;
doc.Close(ref nullobj, ref nullobj, ref nullobj);
wordApp.Quit(ref nullobj, ref nullobj, ref nullobj);
Response.Write(sFileText);
}