AT TOP OF PAGE

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# AT TOP OF PAGE

#### Structured Mode Syntax

[`AT`] `TOP` [`OF`] `PAGE` [(rep)]
statement
`END-TOPPAGE`

#### Reporting Mode Syntax

[`AT`] `TOP` [`OF`] `PAGE` [(rep)]
| statement |
`DO` statement `DOEND`

This document covers the following topics:

- AT TOP OF PAGE Usage

- AT TOP OF PAGE Restrictions

- AT TOP OF PAGE Syntax Description

- AT TOP OF PAGE Example

For an explanation of the symbols used in the syntax diagram, see Syntax Symbols.

Related Statements: `AT END OF PAGE` | `CLOSE PRINTER` | `DEFINE PRINTER` | `DISPLAY` | `EJECT` | `FORMAT` | `NEWPAGE` | `PRINT` | `SKIP` | `SUSPEND IDENTICAL SUPPRESS` | `WRITE` | `WRITE TITLE` | `WRITE TRAILER`

Belongs to Function Group: Creation of Output Reports

## AT TOP OF PAGE Usage

The statement `AT TOP OF PAGE` is used to specify processing which is to be performed when a new page is started.

See also the following sections in the Programming Guide:

- Report Format and Control

- Report Specification - (rep) Notation

- Layout of an Output Page

- AT TOP OF PAGE Statement

### Processing

A new page is started when the internal line counter exceeds the page size set with the session parameter `PS` (page size for Natural reports), or when a `NEWPAGE` statement is executed. Either of these events cause a top-of-page condition to be true. An `EJECT` statement causes a new page to be started but does not cause a top-of-page condition.

An `AT TOP OF PAGE` statement block is only executed when the object which contains the statement is active at the time when the top-of-page condition occurs.

Any output created as a result of `AT TOP OF PAGE` processing will appear following the title line with an intervening blank line.

This statement is non-procedural, that is, its execution depends on an event, not on where in a program it is located.

## AT TOP OF PAGE Restrictions

An `AT TOP OF PAGE` statement must not be placed within an inline subroutine.

## AT TOP OF PAGE Syntax Description

Syntax Element | Description
--- | ---
`(rep)` | Report Specification: The notation `(rep)` may be used to specify the identification of the report for which the `AT TOP OF PAGE` statement is applicable. A value in the range `0 - 31` or a logical name which has been assigned using the `DEFINE PRINTER` statement may be specified. If `(rep)` is not specified, the `AT TOP OF PAGE` statement applies to the first report (Report 0). For information on how to control the format of an output report created with Natural, see Report Format and Control in the Programming Guide.
`statement ...` | Statement(s) to be Executed at Start of Data Condition: In structured mode, you must supply one or several suitable statements, depending on the situation. For an example of a statement, see Example below.
`END-TOPPAGE` | End of AT TOP OF PAGE Statement: In structured mode, the Natural reserved word `END-TOPPAGE` must be used to end the `AT TOP OF PAGE` statement. In reporting mode, use the `DO ... DOEND` statements to supply one or several suitable statements, depending on the situation, and to end the `AT TOP OF PAGE` statement. If you specify only a single statement, you can omit the `DO ... DOEND` statements. With respect to good coding practice, this is not recommended.
`statement ...` `DO statement ... DOEND`

## AT TOP OF PAGE Example

    ** Example 'ATPEX1S': AT TOP OF PAGE (structured mode)
    ************************************************************************
    DEFINE DATA LOCAL
    1 EMPLOY-VIEW VIEW OF EMPLOYEES
      2 NAME
      2 FIRST-NAME
      2 CITY
      2 DEPT
    END-DEFINE
    *
    FORMAT PS=15
    LIMIT 15
    READ EMPLOY-VIEW BY NAME STARTING FROM 'L'
      DISPLAY 2X NAME 4X FIRST-NAME CITY DEPT
      WRITE TITLE UNDERLINED 'EMPLOYEE REPORT'
      WRITE TRAILER '-' (78)
      /*
     AT TOP OF PAGE
        WRITE 'BEGINNING NAME:' NAME
      END-TOPPAGE
      /*
      AT END OF PAGE
        SKIP 1
        WRITE 'ENDING NAME:   ' NAME
      END-ENDPAGE
    END-READ
    END

#### Output of Program ATPEX1S:

                                    EMPLOYEE REPORT
    -------------------------------------------------------------------------------
    BEGINNING NAME: LAFON
              NAME                 FIRST-NAME              CITY         DEPARTMENT
                                                                           CODE
      --------------------    -------------------- -------------------- ----------

      LAFON                   CHRISTIANE           PARIS                VENT18
      LANDMANN                HARRY                ESCHBORN             MARK29
      LANE                    JACQUELINE           DERBY                MGMT02
      LANKATILLEKE            LALITH               FRANKFURT            PROD22
      LANNON                  BOB                  LINCOLN              SALE20
      LANNON                  LESLIE               SEATTLE              SALE30
      LARSEN                  CARL                 FARUM                SYSA01
      LARSEN                  MOGENS               VEMMELEV             SYSA02
    ------------------------------------------------------------------------------

    ENDING NAME:    LARSEN

Equivalent reporting-mode example: ATPEX1R.

### On this page

- AT TOP OF PAGE Usage
- AT TOP OF PAGE Restrictions
- AT TOP OF PAGE Syntax Description
- AT TOP OF PAGE Example