问在具有ASP.NET MVC网站的web服务器上使用6 6gb内存的IIS工作进程

EN

using (eBillingEntities db = new eBillingEntities())
{
try
{
    string id = model.id;
    string emailaddress = Server.HtmlEncode(model.EmailAddress).ToLower().Trim();  

    eBillData ebill = db.eBillDatas.ToList<eBillData>().Where(e => e.PURL == id && e.EmailAddress.ToLower().Trim() == emailaddress).FirstOrDefault<eBillData>();

    if (ebill != null)
    {

        // update the 'Lastdownloaded' field.
        ebill.LastDownloaded = DateTime.Now;
        db.eBillDatas.Attach(ebill);
        var entry = db.Entry(ebill);
        entry.Property(en => en.LastDownloaded).IsModified = true; 
        db.SaveChanges();


        // Find out from the config record whether the bill is stored in the table or in the local pdf folder.
        //
        Config cfg = db.Configs.ToList<Config>().Where(c => c.Account == ebill.Account).FirstOrDefault<Config>();

        bool storePDFDataInEBillTable = true;

        if (cfg != null)
        {
            storePDFDataInEBillTable = cfg.StorePDFDataInEBillDataTable;
        }
        // End of Modification

        byte[] file;

        if (storePDFDataInEBillTable)
        {

            file = ebill.PDFData;
        }
        else
        {

            string pathToFile = "";

            if (string.IsNullOrEmpty(cfg.LocalPDFDataFolder))
                pathToFile = cfg.LocalBackupFolder;
            else
                pathToFile = cfg.LocalPDFDataFolder;

            if (!pathToFile.EndsWith(@"\"))
                pathToFile += @"\";

            pathToFile += ebill.PDFFileName;

            file = System.IO.File.ReadAllBytes(pathToFile);

        }

        MemoryStream output = new MemoryStream();

        output.Write(file, 0, file.Length);
        output.Position = 0;

        HttpContext.Response.AddHeader("content-disposition", "attachment; filename=ebill.pdf");

        return new FileStreamResult(output, "application/pdf");
    }
    else
        return View("PDFNotFound");

}
catch
{
    return View("PDFNotFound");

}