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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Notifications of an HFSQL server
A server may encounter problems without any user (or developer) noticing anything.
For example:
  • a scheduled task may fail,
  • an automatic backup may fail,
  • a node may become inactive in an HFSQL cluster, ...
Docker image of the HFSQL server
A Docker container with the HFSQL server is available on Docker Hub...
HOperationInProgress (Function)
Returns the list of automatic operations in progress on an HFSQL server.
HServerMaintenance (Function)
Checks and optimizes the system tables of an HFSQL server.
<Connection variable>.ServerMaintenance (Function)
Checks and optimizes the system tables of an HFSQL server.
Installing an HFSQL Client/Server server with an application
When creating the setup program of a WINDEV application using HFSQL Client/Server data files, the wizard allows you to...
HManageServerUpdate (Function)
Allows you to manage the automatic update of HFSQL Client/Server servers and to define how often to check for updates.
HStartServerUpdate (Function)
Used to immediately start the automatic server update.
<Connection variable>.StartServerUpdate (Function)
Used to immediately start the automatic server update.
<Connection variable>.OperationInProgress (Function)
Returns the list of automatic operations in progress on an HFSQL server.
InStoredProcedureMode (Function)
Indicates whether the code is run on an HFSQL server.
<Connection variable>.ManageServerUpdate (Function)
Used to manage the automatic update of HFSQL Client/Server servers by specifying the check frequency regarding the availability of updates.
HFSQL and Docker
Docker is a software platform that allows you to run applications in software containers on Linux (Docker runs like a daemon)...
HListServer (Function)
Lists the HFSQL servers installed on a computer.
DescribedDirectory (Property)
The DescribedDirectory property is used to manage the physical directory of HFSQL files.
HErrorInfo (Function)
Returns a detailed information about the last error triggered by the HFSQL engine.
Directory (Property)
The Directory property is used to manage the physical directory of HFSQL files.
HRecordToString (Function)
Converts the content of the current record to string (in a data file, HFSQL view, query, etc.).
NullSupported (Property)
The NullSupported property is used to manage the NULL value in HFSQL data files.
Accessing HFSQL files via SAMBA on Linux
A specific setting is required to access the HFSQL files via Samba on Linux......
Events associated with TreeView Table controls
List of events associated with the TreeView Table controls...
16. Types of code
AWP without UI
Bootstrap, Angular, React, Vue......
Managing the browser "Back" button
The browser "Back" button allows the Web users to display the pages that were already visited......
ERR_MAX_CONNECTION
...ERR_MAX_CONNECTION...
The setup editor WDInst
WDInst is a setup editor used to define the setup parameters of your application......
SchedulerDisplay (Function)
Reinitializes the content of a Scheduler control from its data source (HFSQL file for example).
FileToArray (Function)
Fills an array of classes or structures with the content of an HFSQL data file or query.
HClusterIgnoreSynchro (Function)
Defines a node of the HFSQL cluster as data source to perform the cluster synchronization.
<Scheduler>.Display (Function)
Reinitializes the content of a Scheduler control from its data source (HFSQL file for example).
<Source>.ImportHF55 (Function)
Imports a Hyper File 5.5 file into an HFSQL Classic file.
<Source>.ExecuteQuery (Function)
Declares a query created in the query editor to the HFSQL engine and runs this query.
TextItemCompleted (Property)
The TextItemCompleted property is used to manage text items in an HFSQL data file.
HBuildKeyValueANSI (Function)
Regardless of the platform used, the data stored in the HFSQL files is in ANSI format.
History of versions
The history of setup versions is an advanced feature of the network setup......
OrganizerDisplay (Function)
Reinitializes the content of an Organizer control from its data source (HFSQL data file for example).
How to read emails via the IMAP protocol?
This help page explains how to read emails via the IMAP protocol....
Managing the automatic identifiers when adding a record
When adding a record into a HyperFileSQL file (HAdd), three management modes are available for the automatic identifiers......
NullAllowed (Property)
The NullAllowed property is used to manage the NULL value in the items of HFSQL data files.