HP 3000 Manuals

HP ALLBASE/4GL Developer Self-Paced Training Guide

Defining Alphanumeric Constants 

Alphanumeric constants are used in the same way as numeric constants, but
they contain alphanumeric data. 


          Alpha-Numeric Constants Screen 

Menu Path 

To access the screen from the main menu: 

   1.  Select the Dictionary option.

   2.  Select the Storage Items option.

   3.  Choose Alphanumeric Constants.

Description 

An alphanumeric constant is defined in the same way as an application
title.  The contents are stored as an alphanumeric string of length equal
to the number of characters entered in the string.  Any trailing spaces
are stripped away when you commit the constant.

To enter the field values: 

        Field                 Entry                         Explanation 

---------------------------------------------------------------------------------------

Constant Name         record                When referred to in an application, an
                                            alphanumeric constant is prefixed with C-.
                                            The full reference to this constant is C- 
                                            record.

Value                 Y                     The entire content of this constant.  It is
                                            a flag value indicating that a record has
                                            been found.  You will see how it's used
                                            later.

To complete the alphanumeric constant: 

   1.  Press the  Commit Data  function key.

To complete the alphanumeric constants:  (Continued) 

Creating Additional Alphanumeric Constants.   

To create the following alphanumeric constants: 

   1.  Enter the information listed for a constant.

   2.  Press the  Commit Data  function key for that constant.

   3.  Continue this process for each alphanumeric constant listed below.

          a.  no_record containing the value N.

          b.  add containing the value Add.

          c.  modify containing the value Modify.

          d.  delete containing the value Delete.

   4.  Press the  Previous Menu  function key to return to the storage
       definition menu.

Now you have completed the definition of the required storage items for
the enhanced application.

MPE/iX 5.0 Documentation