basic question on internal table

[akash_01]

Iam having multiple po in my internal table

i want my po to be displayed only once in the output.

i need to display the po once only but all the material details to that po should be displayed

po-4500004822, matnr-100-01 ,desc- printer, qty- 10

100-02 fly wheel 50

as you can see po number is not coming in second line item

need to get this using control break statement is their a possibility..

[mateuszadamus]

Hello akash_01

SORT lt_table BY po_number.
LOOP AT lt_table REFERENCE INTO DATA(ld_table).
  AT NEW po_number.
    WRITE ld_table->po_number.
  ENDAT.

  WRITE ld_table->material.
ENDLOOP.

Kind regards,
Mateusz

[Sandra_Rossi]

But this code works all the time ONLY if PO_NUMBER is the first component of LT_TABLE.