All lINK :
1. http://www.123techguru.com/types-of-controls/
Built_in sub programs used in Form Triggers .
1 commit_form used to save changes ( Valid for DML )
2 clear_form clears all the blocks in form and place the cursor in first block
3 clear_block clears the current block
4 clear_record clears the current record
5 clear_item clears the current text item
6 exit_form quits the application
7 next_block moves to the next block
8 previous_block...
Time in Dhaka 
