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Standard SAP Help for BACK
Short Reference > • BACK ABAP Statement
ABAP Syntax BACK.>
What does it do? This statement positions the list cursor> on the first position of the first line in a logical unit. There are the following logical units in a list: A line block defined with RESERVE>>. If BACK> is executed after the RESERVE> statement, the list cursor is placed in the first line of the current line block. The lines within a self-defined page header>. If BACK> is executed within the event block for TOP-OF-PAGE>> and is not placed after RESERVE>, the list cursor will be positioned in the first line underneath the standard page header. The lines of a page underneath the page header. If BACK> is executed outside of the event block for TOP-OF-PAGE> and not after RESERVE>, the list cursor will be positioned in the first line underneath the page header.
Example ABAP Coding Output of a small input mask. The input fields are positioned after the description. DATA: title TYPE c LENGTH 3, sname TYPE c LENGTH 20, fname TYPE c LENGTH 20.