sql = "select distinct xs_name from Data_xs ";
if(Dbcon.equals(null))Dbcon = new Dbcon();
selrs = Dbcon.executeQuery(sql);
while (selrs.next()) {
msg_back += selrs.getString("xs_name");
}
if(Dbcon.equals(null))Dbcon = new Dbcon();
selrs = Dbcon.executeQuery(sql);
while (selrs.next()) {
msg_back += selrs.getString("xs_name");
}
msg_back += selrs.getString("xs_name");
}