ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Database access: summary
WINDEV and WEBDEV support different SQL query execution modes depending on how the database was accessed....
<Source>.ExecuteSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the HFSQL engine.
HPrepareSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the database server in order to optimize the next executions of this query.
Importing tables into the database schema (external database, etc.)
WINDEV and WEBDEV allow you to easily handle external databases (Oracle, SQL Server, Access, etc, ...
<Source>.PrepareSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the database server in order to optimize the next executions of this query.
HExecuteSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the HFSQL engine.
HRSTransformSpareIntoServer (Function)
Transforms a Spare server into an HFSQL server. This makes it possible to delete replications of a spare server so that it can be used again. For example, this function can be used in the case of a master server that becomes unreachable. This function should only be used in a critical situation. Note: This function is only available from version 2025 Update 1....
User Groupware and Client/Server data files
An application that uses the User Groupware can be used with an HFSQL database in Client/Server mode......
Socket: Creating a simplified socket server
WINDEV gives you the ability to create a simplified socket server......
SQLCode (Property)
The SQLCode code property is used to get the SQL code of a query created with the query editor (".WDR" file).
HFSQL Client/Server: Configuring the data files on the server
Client application: Running procedures on a server of J2EE services
WINDEV includes several J2EE functions......
Overloading a WLanguage function or using a WLanguage function in an SQL query
WLanguage includes the "WL" keyword......
Modbus constants
Constants used by the Modbus management functions....
Modbus functions (prefix syntax)
List of Modbus functions...
Deploying a WEBDEV website to a remote WEBDEV Application Server or WEBDEV Cluster
Installing a WEBDEV website (in Session or AWP mode) on a remote Application Server requires......
Version of the files in the virtual directory
The configuration diagnostic displays the following error......
gpwOpenConnection (Function)
Opens a connection to a specific Client/Server database to manage the files of user groupware in Client/Server mode....
HBackup (Function)
Makes a backup copy of the content of an HFSQL server: all databases on the server, one or more databases, one or more data files.
<Connection variable>.Backup (Function)
Makes a backup copy of the content of an HFSQL server: all databases on the server, one or more databases, one or more data files.
Pre-launched sessions
A pre-launched session is a session of a Web site (or web service) automatically started on the Web server from the WEBDEV Application Server......
Setup by HTTP (Network setup via IP)
The network setup via HTTP consists in installing and updating a WINDEV application via an HTTP server (Live update)......
WDAdminHF: Saving the databases
The remote HFSQL administrator allows you to create backups of HFSQL Client/Server data files......
How to create an SQL query to filter records?
This help page explains how to create an SQL query to filter records....