ONLINE HELP
 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.
<HFSQL file>.ExportJSONString (Function)
Exports the records from a data file (HFSQL or OLE DB), view or query to a JSON string.
Step 5: Site parameters
Once the site installed, you can define the site connection options......
WDDeploy features
WDDeploy can be used to......
User Groupware and Client/Server data files
An application that uses the user groupware can be used with a HyperFileSQL database in Client/Server mode......
HFSQL properties
List of HFSQL properties...
How to read emails via the POP3 protocol?
This help page explains how to read emails via the POP3 protocol....
HExportCSV (Function)
Exports the records found in a data file (HFSQL or OLE DB), a view or a query to a CSV file.
Managing the users of an application installed in network
The management of users allows you to find out from the server......
Validating a page from a control that has no action on the server (List Box control, Combo Box, etc.)
By default, the validation of a page must be performed by a "Send the values of controls to the server (Submit)" button......
Retrieving the coordinates of a click in a clickable image
If the click action of the image is set to "Server call", you can get the click coordinates when the image is clicked in the browser......
Appendix 4: WEBDEV modules
The table below presents the modules installed by the WEBDEV application server for Linux and their main features......
VersionHTTP (Property)
The HTTPVersion property is used to manage the HTTP version used by the server....
HClusterStop (Function)
Suspends the execution of an HFSQL cluster. The nodes of the cluster will no longer accept any connection from the client applications.
HExportJSON (Function)
Exports the records found in a data file (HFSQL or OLE DB), view or query to a JSON file.
HExportXLS (Function)
Exports records from a data file (HFSQL or OLE DB), view or query to an Excel file (XLSX).
WDTestSite: Overview
WDTestSite is used to run different tests on a WEBDEV site......
<Source>.ExportCSV (Function)
Exports the records found in a data file (HFSQL or OLE DB), a view or a query to a CSV file.
<Source>.ExportJSON (Function)
Exports the records found in a data file (HFSQL or OLE DB), view or query to a JSON file.
<Source>.ExportXLS (Function)
Exports records from a data file (HFSQL or OLE DB), view or query to an Excel file (XLSX).
<Source>.SortView (Function)
Sorts an HFSQL view by creating an index on a view item. This function uses the former view mechanism.
<Source>.ExportXML (Function)
Exports the records found in a data file (HFSQL or OLE DB), view or query to an XML file.
HExportXML (Function)
Exports the records found in a data file (HFSQL or OLE DB), view or query to an XML file.
HListFullTextIndex (Function)
Returns the list of full-text indexes of a file (a query or a view) recognized by the HFSQL engine.
Setup of the WEBDEV Application Server for Linux
File Description (Type of variable)
The File Description variable is used to programmatically describe data files.