loop at mdcw.
READ TABLE mdeqp WITH KEY zs_equnr = mdcw-zs_equnr.
z_index = sy-tabix.
mdeqp-zs_venddat = mdcw-zs_venddat.
mdeqp-zs_vbegdat = mdcw-zs_vbegdat.
mdeqp-zs_invoice = mdcw-zs_invoice .
mdeqp-zs_vbeln = mdcw-zs_vbeln.
IF sy-subrc = 0.
MODIFY mdeqp INDEX z_index.
ENDIF.
ENDLOOP.
<b>LOOP AT mdeqp.</b>
.......
endloop.
when i'm before the loop i have in the header <b>zs_vbeln='20900000'</b>
when i enter into the loop
zs_vbeln=' '
do you have a suggestion?