public ActionResult ConsultationReport(FormCollection form)
        {
            if (Session["LogedUserID"] != null)
            {
                try
                {
                    var doctors = (from d in db.Doctors
                                   where d.firstName != null && d.lastName != null
                                   select new DocConsultationReport
                    {
                        doctorid = d.doctorID,
                        firstName = d.firstName,
                        lastName = d.lastName
                    }).ToList();
                    var patients = (from d in db.Patients
                                    where d.firstName != null && d.lastName != null
                                    select new PatConsultationReport
                    {
                        patientid = d.patientID,
                        firstName = d.firstName,
                        lastName = d.lastName
                    }).ToList();
                    ViewBag.Doctors  = doctors;
                    ViewBag.Patients = patients;
                    var datefrom  = Request.Form["datefrom"].ToString().Trim();
                    var dateto    = Request.Form["dateto"].ToString().Trim();
                    var doctorid  = Request.Form["sltDoctor"].ToString();
                    var patientid = Request.Form["sltPatient"].ToString();
                    ViewBag.doctorid  = doctorid;
                    ViewBag.patientid = patientid;
                    string      fromdateString = datefrom.Trim();
                    string      todateString   = dateto.Trim();
                    string      format         = "dd/MM/yyyy";
                    CultureInfo provider       = CultureInfo.InvariantCulture;

                    DateTime fd = DateTime.ParseExact(fromdateString, format, provider);
                    DateTime td = DateTime.ParseExact(todateString, format, provider);

                    if (doctorid == "0" && patientid != "0")
                    {
                        var doc = db.SP_ConsultationReport(fd, td, Convert.ToInt32(patientid), null);
                        return(View(doc));
                    }
                    if (doctorid != "0" && patientid == "0")
                    {
                        var doc = db.SP_ConsultationReport(fd, td, null, Convert.ToInt32(doctorid));
                        return(View(doc));
                    }
                    if (doctorid != "0" && patientid != "0")
                    {
                        var doc = db.SP_ConsultationReport(fd, td, Convert.ToInt32(patientid), Convert.ToInt32(doctorid));
                        return(View(doc));
                    }
                    var docc = db.SP_ConsultationReport(fd, td, null, null);
                    return(View(docc));
                }
                catch (Exception ex)
                {
                    ViewBag.errorMessage = ex.Message;
                    return(View());
                }
            }
            else
            {
                return(RedirectToAction("AdminLogin", "Account"));
            }
        }