Oracle Forms

Hello ..

I'm new to this forums,myself i'm learning OracleFormsDeveloper6i,so i need help from OracleForums to complete this one.

my front end tool is "oracle forms 6i" and backend is "oracle9i".

my question, when i'm select the deptno through "popup list",then that employee details will be displayed.

my sample data is,

create table dept(deptno number primary key);

insert into dept values(10);

insert into dept values(20);

insert into dept values(30);


create table emp (empno number,ename varchar2(20),deptno number references dept(deptno));

insert into emp values(7566,'suneel',10);

insert into emp values(7565,'mani',20);

insert into emp values(7567,'vijay',30);

insert into emp values(7569,'chandra',40);

Please Help me!!!

Thank You!!