Problem with select query when it returns a NULL value

Question

Hi all,
I have a d/b table called QMEL and i picked VBELN from that table. Now if the VBELN value in that table is NULL i have to wtite an if condition.
Can i say it like this
IF VBELN = ' '.
write: enter into the if condition.
ELSE.
write: enter into the else condition.
ENDIF.
or should is say some thing else? my objective is ..i should execute some statments if VBELN has no value and i should execute some othet statements if VBELN has a value.
Kindly help..as even though i put above condition..it deosnot work
Regards,
Jessica Sam

Answer 1

hi
check this
if u r using selection optins  use this code
IF NOT s_material[] IS INITIAL.
    SELECT material                             
    FROM marc
           INTO  l_material
         WHERE material IN s_material.                     
    ENDSELECT.
    IF sy-subrc NE 0 AND l_material IS INITIAL.
      MESSAGE e302 WITH space.
    ENDIF.
  ENDIF.
if u r using parameter then
IF NOT P_material IS INITIAL.
    SELECT material                             
    FROM marc
           INTO  l_material
         WHERE material EQ P_material.                     
    ENDSELECT.
    IF sy-subrc NE 0 AND l_material IS INITIAL.
      MESSAGE e302 WITH space.
    ENDIF.
  ENDIF.
~linganna
Edited by: katigiri linganna on Apr 8, 2009 5:58 AM