public void UpdateRecord(tblPatient obj)
{
db.tblPatients.Attach(obj);
var update = db.Entry(obj);
update.Property(x => x.Age).IsModified = true;
update.Property(x => x.Contact_no).IsModified = true;
update.Property(x => x.Gender).IsModified = true;
update.Property(x => x.Note).IsModified = true;
update.Property(x => x.Patient_address).IsModified = true;
update.Property(x => x.Patient_Name).IsModified = true;
db.SaveChanges();
}