printing text file from web application

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ASP.NET

hi all

i have created small web application, from my web application i ll write some text into in text file(notepad file)after that
i ll print that text file from my web application itself,then it will be print to default printer..
its works well in my local pc, but when i configure this web application into client pc through IIS its not working well,
only i can write my text into text file(notepad file), but that text file is not printing..

this is the code for that

private void ReadFile()
        {
            string path;
            path = Server.MapPath("~/Temp_Image/");
            string docName = "Truevalue.txt";
           // string docPath = @"C:\sample\";
            string docPath = path;
            printDocument1.DocumentName = docName;
            using (FileStream stream = new FileStream(docPath + docName, FileMode.Open))
            using (StreamReader reader = new StreamReader(stream))
            {
                stringToPrint = reader.ReadToEnd();
            }
	     printDocument1.Print();
        }