public IActionResult GetDoctorAppointment(int assignedTo)
        {
            EntityConnection            con    = new EntityConnection("tbl_visit");
            Dictionary <string, string> result = new Dictionary <string, string>()
            {
                { "assignedTo", assignedTo.ToString() }
            };

            if (con.DoctorsAppoinmentList(assignedTo).Count > 0)
            {
                return(Ok(con.DoctorsAppoinmentList(assignedTo)));
            }
            else
            {
                obj = new { message = "No patients assigned yet" };
                return(NotFound(obj));
            }
        }