ABAP FAQ's

->How can validate input values in selection screen and which event was fired?

Ans) We can Validate Selection Screen With the Help of the Following Events, the Event Follows the Same hierachy.
AT SELECTION-SCREEN ON
AT SELECTION-SCREEN ON BLOCK
AT SELECTION-SCREEN OUTPUT
AT SELECTION-SCREEN.

->Have you created any transactions?
Ans) We can use TC SE93 for creating our own transaction code.

->How to navigate basic list to secondary list?

Ans) We can Navigate from basic list to secondary list with the help the event called AT LINE-SELECTION. for every Secondary List the System Field SY-LSIND increases by 1. So there will be Totally 21 list possible in SAP.

->What does SM35 transaction do?

Ans) we can create session.

-> How can u call the Sessions?

Ans) using transaction code SM35 .

ABAP FAQ's

1. How to Upload Logo to Layout Set and what is Program Name?

Ans: You can upload a Logo in BMP format - it has to be saved as "%^ Colours if it is a colour Bitmap.
If you don't save a colour Bitmap as 256 Colours then it will be uploaded in Black.This can be done in Smart Forms, SAPSCript or TRansaction SE78

2)Have you worked with reading and writing data on to files?

Ans: YES,open dataset for output.
read dataset from itab.
close dataset .

3)Can u call Report in Sap Script?

Ans: Yes we can.Just write in Line editor:
/:perform f_display_report---------
---------------
----------
/:endperform
THIS PERFORM WOULD BE DECLARED IN THE PRINT PROGRAMME IN WHICH YOU CAN ALWAYS WRITE STATEMENT

4) What is the function module used to print in a layout set?

Ans: write_Form

5) Have you used WS Upload? Difference between WS Upload and Upload.?

Ans: while using upload we give file name and file type in the function itself as parameters.In ws_upload we give the filename and file type at runtime.