DataBase Strinage Behaviour

Dear ALL,

 i'm trying to access some data from
my database but i have A strange behavior and hope to help me to understand
what is happening

when i try to retrieve column data form DB and print it

it will be printed

but when i try to assign it to a String

i get this exception   "NO Data Found" 

Query=" select * from CPM_DEST";

st = conn.createStatement();

rs=st.executeQuery(Query);

while(rs.next())

{ 

System.out.println(rs.getString("DESTNAME"));  //printwith no problem

String x=(String)rs2.getString("DESTNAME");//here i get the exception

}

Whta's happining..?

Thanks&regards

essam