Sub-routines

[Former Member]

Hi SAP gurus,

Can any one explain me the sub-routine using the formal parameters using and changing such as "PERFORM SAMPLE USING a CHANGING b" .

Please explain me with an simple example.

Vishnu.

[Former Member]

check this <a href="http://help.sap.com/saphelp_erp2005/helpdata/en/9f/db977635c111d1829f0000e829fbfe/frameset.htm">link</a>

[former_member387317]

Hi Vishwanath,

http://help.sap.com/saphelp_erp2005/helpdata/en/9f/db977635c111d1829f0000e829fbfe/frameset.htm

http://help.sap.com/saphelp_nw04/helpdata/en/9f/db984635c111d1829f0000e829fbfe/content.htm

hope it will solve ur problem..

Thanks & Regards

ilesh 24x7

.

[Former Member]

when refer passing,they using is the same as changing

but value passing is different,using is only value passing and changing is value and

resault passing,

maybe this can help you!

REPORT z_szq_test.

DATA:inter1 TYPE i,

inter2 TYPE i,

sum TYPE i.

START-OF-SELECTION.

inter1 = 2.

inter2 = 6.

PERFORM sum USING: inter1

inter2

sum.

WRITE:/ sum LEFT-JUSTIFIED.

CLEAR:sum.

PERFORM sum1 CHANGING inter1

inter2

sum.

WRITE:/ sum LEFT-JUSTIFIED.

----

---

• FORM sum *

----

---

• ........ *

----

---

• --> P_INT1 *

• --> P_INT2 *

• --> P_SUM *

----

---

END-OF-SELECTION.

----

---

• FORM sum *

----

---

• ........ *

----

---

• --> : *

• --> P_INT1 *

• --> P_INT2 *

• --> P_SUM *

----

---

FORM sum USING: value(p_int1)

value(p_int2)

value(p_sum).

p_sum = p_int1 + p_int2.

ENDFORM.

----

---

• FORM sum *

----

---

• ........ *

----

---

• --> : *

• --> P_INT1 *

• --> P_INT2 *

• --> P_SUM *

----

---

FORM sum1 CHANGING value(p_int1)

value(p_int2)

value(p_sum).

p_sum = p_int1 + p_int2.

WRITE:/ 'the inner output',p_sum.

ENDFORM.

[Former Member]

HI

Check the F1 help for Perform,

You will get the xplanation with examples .

Thanks

Praveen