Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection con=DriverManager.getConnection("jdbc:odbc:MyDSN","sa","sa");PreparedStatement st=con.prepareStatement("select id from manger");
ResultSet rs=st.ExecuteQuery();
String ID1=JTextField1.getText();
String ID2=rs.getString("id");
if(ID1.equals(ID2))
{
}
else
{
}