How to implement F4 help in table control

Hi all,
I am working on a table control in a module pool program. I have three fields in table control , material no. , material description and quantity. my requirement is , in table control , i need to provide the F4 help for material no. and material description, in a way, if i select material no. using F4, the corresponding material description field would be entered automatically in the table control field.
Pls suggest me on this , if possible pls give me code or logic to do this.
Thanks
Saravan
Moderator message: please don't post the identical question again after the first attempt was locked for good reasons. Search for available information before asking.
Edited by: Thomas Zloch on Mar 3, 2011 11:54 AM

Hi Saravana,
Please search in SCN before posting. You will find many threads related to this question. The basic logic is you have to get the selected row of table control using DYNP_GET_STEPL function in your POV. Then using function DYNP_VALUES_READ read the material and create the description to be displayed. You have use function F4IF_INT_TABLE_VALUE_REQUEST to display search help.

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