ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

HImportText (Function)
Imports a Text file into a data file in HFSQL Classic or Client/Server format (data file described in the data model editor, or declared by HDeclare, HDeclareExternal or HDescribeFile)....
Client/Server HFSQL table management
The HFSQL Control Center allows you to fully manage HFSQL Client/Server tables......
Parameters of the procedure used by the HStatCalculateAsynchronous function
WLanguage procedure (also called "callback") called by the HStatCalculateAsynchronous function for each verified HFSQL Client/Server table. This new feature is available as of WINDEV Suite SaaS 2025 Update 2....
Parameters of the procedure used by the HCheckIndexAsynchronous function
WLanguage procedure (also called "callback") called by the HCheckIndexAsynchronous function for each verified Client/Server HFSQL table. This new feature is available as of WINDEV Suite SaaS 2025 Update 2....
Parameters of the procedure used by the HReindexAsynchronous function
WLanguage procedure (also called "callback") called by the HReindexAsynchronous function for each reindexed HFSQL Client/Server table. This new function is available from WINDEV Suite SaaS 2025 Update 2....
WDLog: Viewing a log file
WDLog is used to view the content of a log file......
WDAdminHF: Managing the data files
The remote HFSQL administrator proposes a full management of the HFSQL Client/Server databases......
Creating an SCM repository
To share a project via the Source Code Manager, a repository must be created......
<Source>.UpdateLink (Function)
Updates on the server all the links of an HFSQL Client/Server table. Warning: This function is available only from WINDEV Suite SaaS 2025 Update 2. For more details, see Using new features exclusive to WINDEV Suite SaaS 2025....
HUpdateLink (Function)
Updates on the server all the links of an HFSQL Client/Server table. Warning: This function is available only from WINDEV Suite SaaS 2025 Update 2. For more details, see Using new features exclusive to WINDEV Suite SaaS 2025....
HFConf.Ini file
The HFConf.INI file is found at server root. This file is used to define several characteristics of HFSQL Client/Server server....
Report based on a data file
A report based on a data file is used to print the records coming from a single data file (HFSQL Classic or Client/Server, accessed via a Native Access, ......
Password (Property)
The Password property can be used: on the edit controls (or on the text table columns) to find out whether the control is a "Password" control or to modify the "Password" type of the control. on the connections (HFSQL Client/Server, OLE DB, etc.) to define the password of the user who uses the connection....
Source (Property)
The Source property can be used on: a Chart control: in this case, the Source property is used to get the source of the series: Table column, list of values, ... a connection: in this case, the Source property is used to get or set the source of a connection (HFSQL Client/Server, OLE DB, etc.)....
3. Data handled by a WINDEV Mobile application
The data handled by a WINDEV Mobile application can come from...
Native 64-bit and native 32-bit: a single source code
The 64-bit operating systems are starting to appear on the PCs and on the servers......
HFSQL Client/Server: Overview
You have the ability to create applications that access the HFSQL Client/Server databases...
Restoring an HFSQL Client/Server database
A backup of an HFSQL Client/Server database can be restored at any time...
How to backup HFSQL Client/Server databases?
The backup of the HFSQL Client/Server databases can be performed ...
User Groupware and Client/Server tables
Applications using the User Groupware are compatible with HFSQL databases in Client/Server mode...
Using the Control Centers in Client/Server mode
All the Control Centers provided with WINDEV, WEBDEV and WINDEV Mobile use the same database...
HFSQL Client/Server database: Recommendations
This help page presents the main recommendations for optimizing the security and performance of an HFSQL Client/Server database according to the constraints and desired features...
HFSQL Client/Server: Backing up databases
Like for any database, backups of your HFSQL Client/Server databases must be performed on a regular basis...
HFSQL Client/Server functions
Several HFSQL functions are used to manage the HFSQL Client/Server data...
Installing an HFSQL Client/Server server with an application
When creating the setup program of a WINDEV application using HFSQL Client/Server tables, the wizard allows you to...
User Groupware and Client/Server tables
An application that uses the User Groupware can be used with an HFSQL database in Client/Server mode...
HFSQL Client/Server functions (prefix syntax)
Several HFSQL functions are used to manage the HFSQL Client/Server data...
HStatCalculateAsynchronous (Function)
Gets various statistics on the keys of an HFSQL Client/Server table.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
Remote HFSQL Administrator: Overview
The remote HFSQL administrator is a WEBDEV site installed with the WEBDEV application server and used to remotely manage the HFSQL Client/Server databases installed on the Web server...
WDLog: Backup of HFSQL tables
WDLog allows you to save all the HFSQL tables used by a WINDEV or WEBDEV application...
HCheckIndexAsynchronous (Function)
Checks that the data contained in the index file (.NDX file) correctly references the data contained in the HFSQL Client/Server table (.FIC file).
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
<Connection variable>.SendMessageToClient (Function)
Displays a message on the client computers.
HFSQL Cluster functions
The following functions are used to manage an HFSQL cluster
HCheckUnaltered (Function)
Checks that one or all records in an unalterable table have not been modified (e.g. with a hexadecimal editor).
<Source>.CheckUnaltered (Function)
Checks that one or all records in an unalterable table have not been modified (e.g. with a hexadecimal editor).
HCheckMemoAsynchronous (Function)
Checks the structural integrity of memos in an HFSQL Client/Server table.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
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, ...
<HFSQL connection>.CheckIndexAsynchronous (Function)
Checks that the data contained in the index file (.NDX file) correctly references the data contained in the HFSQL Client/Server table (.FIC file).
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
<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.
HManageServerUpdate (Function)
Allows you to manage the automatic update of HFSQL Client/Server servers and to define how often to check for updates.
<HFSQL connection>.ReindexAsynchronous (Function)
Rebuilds the index of an HFSQL Client/Server table (".NDX" file). This operation is asynchronous, i.e., it is performed on the server and does not block the client side.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
Managing the load balancing (dynamic load balancing on server)
The server that is hosting a HFSQL database engine can be very busy...
<HFSQL connection>.StatCalculateAsynchronous (Function)
Gets various statistics on the keys of an HFSQL Client/Server table.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
Unalterable tables
This feature is used to signal that a table cannot be modified after writing...
HSendMessageToClient (Function)
Displays a message on the client computers.
<HFSQL connection>.CheckMemoAsynchronous (Function)
Checks the structural integrity of memos in an HFSQL Client/Server table.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
HReindexAsynchronous (Function)
Rebuilds the index of an HFSQL Client/Server table (".NDX" file). This operation is asynchronous, i.e., it is performed on the server and does not block the client side.
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.