The process cannot access the file on IIS

Try placing the file in the App_Data folder

One more problem that can occur is that the previous write to the same file has not yet cleared garbage collection. Try adding this in front of the code above to see if it resolves the issue.

System.GC.Collect();
System.GC.WaitForPendingFinalizers();

Jim

I Experimented all Suggestion but still the problem appear  when I run the application On  ( IIS )

Also I gave full permissions for the users  but i dont know how to unlock the file

OK, hi,
To avoid beating around the bush any longer go and install http://ccollomb.free.fr/unlocker/
This tool can help you know which process is locking the file, hoping it is not IIS, we then can figure out why. If it is IIS then use the same tool to unlock the file and try again to see when/how the file gets locked, experiment until you get something.

After several expperments i found the following :

My application is send the data to text file before printing So every time I Push on print button it sends data to the text but  printing code is not working in IIS  but ( work in devloper 2005)  then its cant connect to printer so the orders for printing is stay in queue and finally that message appear which is say the process is used by another process .

When I disable print code every thing is fine and the data is display on the screen . when I use the below code it give me the privious message and the Puzzling thing is every thing is running when i run the application using web developer but its not working on ( IIS ) I cannot connect to my defalt printer .    

Can any one help me with printing code .

            ////////---------------------Print The ticket --------------------
            //try
            //{
 
            streamToPrint = new StreamReader
               ("E:\\data\\Mange_Counter.txt");
            //try
            //{
            printFont = new Font("Arial", 10);
            PrintDocument pd = new PrintDocument();
            pd.PrintPage += new PrintPageEventHandler
               (this.pd_PrintPage);
            pd.Print();
            // we cancel this code
            //streamToPrint.Dispose();
            streamToPrint.Close();
            //    }
            //    finally
            //    {
            //        streamToPrint.Close();
            //    }
            //}
            //catch (Exception ex)
            //{
            //    //MessageBox.Show(ex.Message);
            //}
 
 
 
 
 
 
    }
 
    private void pd_PrintPage(object sender, PrintPageEventArgs ev)
    {
        float linesPerPage = 0;
        float yPos = 0;
        int count = 0;
        float leftMargin = ev.MarginBounds.Left;
        float topMargin = ev.MarginBounds.Top;
        string line = null;
 
        // Calculate the number of lines per page.
        linesPerPage = ev.MarginBounds.Height /
           printFont.GetHeight(ev.Graphics);
 
        // Print each line of the file.
        while (count < linesPerPage &&
           ((line = streamToPrint.ReadLine()) != null))
        {
            yPos = topMargin + (count *
               printFont.GetHeight(ev.Graphics));
            ev.Graphics.DrawString(line, printFont, Brushes.Black,
               leftMargin, yPos, new StringFormat());
            count++;
        }
 
        // If more lines exist, print another page.
        if (line != null)
            ev.HasMorePages = true;
        else
            ev.HasMorePages = false;
    }
}
                                              

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hello ????
please Experts .. i need your help ...
Why i can't send something from Page running in IIS .. TO Printer .. ????

Here is the description of PrintDocument from MSDN: http://msdn.microsoft.com/en-us/library/system.drawing.printing.printdocument(VS.80).aspx
"                                 Defines a reusable object that sends output to a printer, when printing from a Windows Forms application."
So the key point here is Windows Forms, this class was not meant to be used in ASP.NET, but if you use it it will print only on the server.
So back to your code, I noticed that you are not specifying the printer name,  so the default printer is being used. Is that what you want? Also where are you opening the web form from? Is it the same machine where IIS is installed? Are you using a local printer or network printer?

Hello Mr..
Yes i use IIS  it is  in the  same machine
and the local printer
====
i'm  just want to print some text file ... using local printer ..

i used that code .. in my first post . but when i run program in IIS .. printer not work...
please any idea to print use server printer ??

HELLLLLLO
Nobody know .. who i can use print using IIS ??????

try to enable impersonation, this is a permissions problem. Add <identity impersonate="true" /> in web.config