Answer Posted / t.patra

Table Controls: A table control is used to pass the data
into the table at the runtime of the system. By using the
loop at statement in both PAI and PBO events. It is treated
like a loop in the both of the statements.You can scroll
the both vertically and horizentally.

Step loops: It is also called the screen table. But the
major difference between the step loop is used to repeat the
block of the fields of the screen . These fields are
repeated each and every time of the screen. But you can
scroll vertically but not horizentally.


TABLE CONTROLS are simply enhanced STEP LOOPS that display
data with the look and feel of a table widget in a desktop
application. But from a programming standpoint, TABLE
CONTROLS and STEP LOOPS are almost exactly the same.

One major difference between STEP LOOPS and TABLE CONTROLS
is that in STEP LOOPS, their table rows can span more than
one line on the screen. By contrast the rows in a TABLE
CONTROL are always single lines, but can be very long. (
Table control rows are scrollable ). The structure of table
controls is different from step loops. A step loop, as a
screen object, is simply a series of field rows that appear
as a repeating block.
A table control, as a screen object consists of :
i ) table fields ( displayed in the screen )
ii ) a control structure that governs the table display and
what the user can do with it.

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