DOCUMENT:Q157762  11-DEC-1999  [foxpro]
TITLE   :FIX: Invalid Page Fault After Summing Currency Field of Cursor
PRODUCT :Microsoft FoxPro
PROD/VER:WINDOWS:5.0
OPER/SYS:
KEYWORDS:kbprogramming kbvfp kbvfp500aFIX kbvfp500bugkbbuglist kbfixlist

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The information in this article applies to:

 - Microsoft Visual FoxPro for Windows, version 5.0 
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SYMPTOMS
========

After using the CALCULATE command to SUM the contents of a currency field in a
cursor file, and storing that sum in a variable, the resulting variable may
cause system errors in subsequent operations. For example, one error is as
follows:

   Vfp.exe caused an Invalid Page Fault

WORKAROUND
==========

Do one of the following:

1. Use the SET TALK ON command.

-or-

2. Change the field type to something other than currency.

STATUS
======

Microsoft has confirmed this to be a problem in the Microsoft products listed at
the beginning of this article. This problem has been fixed in Visual FoxPro
5.0a.

MORE INFORMATION
================

Steps to Reproduce Behavior
---------------------------

The following sequence of commands result in the error described above:

      SET TALK OFF
      CREATE CURSOR test (nAmount Y)
      CALCULATE ALL SUM(nAmount) TO nTotal
      ? nTotal # 0

Make one of the changes below to work around the problem:

1. Change the line "SET TALK OFF" to "SET TALK ON."

-or-

2. Change the field type in the CREATE CURSOR command to something other than
   currency (Y).

Additional query words:

======================================================================
Keywords          : kbprogramming kbvfp kbvfp500aFIX kbvfp500bug kbbuglist kbfixlist
Technology        : kbVFPsearch kbAudDeveloper kbVFP500
Version           : WINDOWS:5.0
Issue type        : kbbug
Solution Type     : kbfix

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