public bool ModifyExistingUser(User u)
{
DataRow[] rows = _studentRecords.Users.Select("ID = '" + u.GetID() + "'");
if (rows.Length == 0) return false;
StudentRecordsDataSet.UsersRow r = (StudentRecordsDataSet.UsersRow) rows[0];
r.UserName = u.GetUserName();
r.Password = u.GetPassword();
User.UserDemographicData d = u.GetData();
r.FirstName = d.GetFirstName();
r.LastName = d.GetLastName();
r.SocialSecurityNumber = d.GetSSN();
r.PhoneNumber = d.GetPhoneNumber();
r.PreferredEmailAddress = d.GetPreferredEmailAddress();
r.CurrentHomeAddress = d.GetCurrentHomeAddress();
r.City = d.GetCity();
r.State = d.GetState();
r.Country = d.GetCountry();
UpdateXml();
return true;
}
