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...
<Connection variable>.ServerMaintenance (Function)
Checks and optimizes the system tables of an HFSQL server.
HFSQL and Docker
Docker is a software platform that allows you to run applications in software containers on Linux (Docker runs like a daemon)...
<Connection variable>.StartServerUpdate (Function)
Used to immediately start the automatic server update.
HServerMaintenance (Function)
Checks and optimizes the system tables of an HFSQL server.
HManageServerUpdate (Function)
Allows you to manage the automatic update of HFSQL Client/Server servers and to define how often to check for updates.
<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.
<Connection variable>.OperationInProgress (Function)
Returns the list of automatic operations in progress on an HFSQL server.
HOperationInProgress (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.
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...
HListServer (Function)
Lists the HFSQL servers installed on a computer.
HStartServerUpdate (Function)
Used to immediately start the automatic server update.
Remote WEBDEV administrator: Backing up and restoring a WEBDEV site
The remote administration tool is used to manage the backups of your dynamic WEBDEV websites....
How to create an SQL query to count?
This help page explains how to create a count query with the query editor....
CalculatedDefaultValue (Property)
The CalculatedDefaultValue property is used to: Find out the SQL expression that defines the default value of an item. This item was defined in the data model editor or through programming. Define the SQL expression that returns the default value of an item (item described through programming only)....
CalculatedItemExpression (Property)
The CalculatedItemExpression property is used to: Find out the SQL expression that defines the value of a calculated item. This item was defined in the data model editor or programmatically. Define the SQL expression returning the value of a calculated item (when describing the item through programming)....
Empty (Property)
The Empty property is used to determine if: a Looper, Table, List Box or Combo Box control is empty. The field can be a file or memory field. a Chart control contains no series. a report control is empty (control linked to an item). an array (or an associative array) contains no element. an element of an associative array exists or not. a queue, a list or a stack contains no element....
SQL selection conditions
To specify the selection conditions in an SQL query, you can use......
Remote WEBDEV administrator: Error message management
By default, when an error occurs in a dynamic WEBDEV site, an error message is displayed in the browser of the Web user....
Type of windows created by RAD
The wizard for window creation proposes several types of windows associated with HFSQL data files......
The statistics
WINDEV, WEBDEV and WINDEV Mobile propose several functions used to perform statistical calculations......
AI in the code editor
WINDEV, WEBDEV and WINDEV Mobile include a series of AI-based features......
Manipulating Segmented Button controls programmatically
WINDEV and WINDEV Mobile allow you to programmatically manipulate Segmented Button controls......
Project description: Compilation tab
The project description window allows you to configure various elements of your project......
Composite chart
A composite chart is a chart that displays several types of charts......
Project description: Languages tab
The project description window allows you to configure various elements of your project......
Project description: Options tab
The project description window allows you to configure various elements of your project......
Custom title bar with menus and controls
There is a new trend in UI design: application menus in the title bar!...
Project description: SCM tab
The project description window allows you to configure various elements of your project......
Project description: Advanced tab
The project description window allows you to configure various elements of your project......
Installing a WEBDEV site with zero-downtime update
Starting with version 24, you can update a Session or AWP site without disconnecting users......
OpenIDReadIdentity (Function)
Retrieves the identity of a user contained in an AuthToken variable.