ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

HDeclareExternal (Example)
Usage example of the HDeclareExternal function
Management errors specific to Native Connectors
When an HFSQL function fails (returns False for example), the corresponding error number is returned by HError......
4. HFSQL Classic
1. Database schema: Database structure
When a WINDEV, WEBDEV or WINDEV Mobile project uses tables, it must be associated with a database schema....
Install WDTRAD
WDTRAD is automatically installed along with WDMSG and/or WDINT....
Filters in Table controls based on a data file
WINDEV, WEBDEV and WINDEV Mobile include multiple methods to filter the records displayed in a Table control based on a data file......
HFSQL Client/Server: Setting up tables on the server
Specifies the useful size of an internal window with automatic scrollbars. The useful size corresponds to the full size of the internal window: Width of the internal window. Height of the internal window....
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......
Data source (Type of variable)
A Data source variable is used to describe a temporary data source (query, view, alias, ...)
Additional setup modules
The setup wizard allows you to include additional modules in the setup. The additional modules are used to add additional options to the setup program and to access the advanced setup parameters....
2. Managing a Client/Server database
WEBDEV Tutorial - Managing an HFSQL Client/Server database Lesson 2 - Managing a Client/Server database - 20 min...
HUnlockRecNum (Function)
Unlocks a record locked by: HLockRecNum, a read function used with a locking parameter (HRead associated with the hLockWrite or hLockReadWrite constant for example)....
NbDescribedThumbnail (Property)
The NbDescribedThumbnail property is used to get the number of thumbnails expected for an item.
HTransactionRollbackToSavepoint (Function)
Rolls the transaction back to the savepoint.
WDAdminHF: Managing a database
The remote HFSQL administrator proposes a full management of the HFSQL Client/Server databases......
Setup wizard: Steps for creating a WINDEV application setup program
The setup program creation wizard allows you to define all the settings of your setup program....
HTransactionSavepoint (Function)
Declares a transaction savepoint.
hScheduledOptimization (Type of variable)
The hScheduledOptimization type is used to programmatically manage a scheduled optimization task on an HFSQL server.
WindowFromSource (Function)
Automatically initializes the controls of a window with: the values of the bound items in the current record (loaded in memory) of the HFSL data file described in the data model editor. the values of the bound WLanguage variables....
MySQL Native Connector: Programming with SQL functions
The SQL functions can be used to handle the MySQL database......
WDSQL: Creating and running a script
A script is a set of SQL commands used to perform a specific operation (create a new table in the database, insert records, ......
FolderData (Function)
FolderData is kept for backward compatibility.