- Incrementing the version number of the data file
- Multi-file queries
HVersion (Function) In french: HVersion
 Not available with this kind of connection
Allows you to find out: - whether the content of a data file was modified.
- whether the content of a data file used by a query was modified.
This function is used to detect the modifications made to a data file shared among several programs. If a modification is detected, you have the ability to refresh the data displayed in the window or in the page.
VerNum = HVersion(Customer)
// First evaluation of the data file version
VerNum is int
VerNum = HVersion(Customer)
// Processes
// Second evaluation of the data file version
IF VerNum <> HVersion(Customer) THEN
Info("The Customer data file was modified.")
END
Syntax
<Result> = HVersion([<Data file or query>])
<Result>: Integer Version number of the data file.
<Data file or query>: Optional character string - Name of the data file used.
- Name of the query used.
- If this parameter is not specified, HVersion will handle the last data file (last query) used.
Remarks Incrementing the version number of the data file Remark: HVersion can be used on indexed or non-indexed data files. Multi-file queries In the case of a multi-file query, HVersion returns the sum of the HVersion of all data files used in the query.
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