how I can read a SEQUENCE and write it in text item?

Please help me!I dont know why i cant s开发者_如何转开发olve this simple problem. I wanna read my sequence that I made it in my database and add it to my text Item.

any idea?(with code plz)

right know I write a cursor and call my sequence by a select from it but i dont know what should I do after it :(

In Forms if you want to enter the value of a sequence into an item (named :BLOCK.ITEM) this would work:

SELECT your_sequence.nextval INTO :BLOCK.ITEM FROM DUAL;