ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

WDInst: Installing an HFSQL Client/Server application
When creating the setup program of a WINDEV application that uses HFSQL Client/Server data files, WDInst allows you to......
WDLog: Restoring HFSQL data files
WDLog is used to restore the data files saved by WDLog......
Query
A query is used to interrogate a database in order to view, insert, modify or delete data......
How to create an SQL query to get a sum?
This help page explains how to create a Sum query with the query editor....
Image editor: Features
The image editor includes several features......
The indexed controls
A control is an indexed control if it contains several controls with the same name......
Application triggers
...A trigger is a WLanguage procedure automatically called by the HFSQL engine whenever a modification is performed (addition, deletion, modification, ...) on a record of a data file....
NbMemoItem (Property)
The NbMemoItem property is used to get the total number of memo items in a record of: a file described in the data model editor, a file described through programming, an HFSQL view, a query....
DefaultValue (Property)
The DefaultValue property is used to: Find out the default value of an item. This item was defined in the data model editor or through programming. Define the default value of an item (when describing the item through programming)....
Binding a ListView control to an item
OrganizerSelectedRange (Function)
Returns the start or end date and time of the time slot selected in an Organizer control.
Pinned area in a page: fixed area on the screen
A fixed area in a page is a page section that remains visible even if the Web user moves the browser scrollbar......
SchedulerSelectedRange (Function)
Returns the start or end date and time of the time slot selected in a Scheduler control.
<Organizer>.SelectedRange (Function)
Returns the start or end date and time of the time slot selected in an Organizer control.
<Source>.RecordDate (Function)
Returns the date and time that an HFSQL record was last modified (Classic or Client/Server)....
Custom synchronization for Table controls based on a data file
In some cases, you may want to use a custom synchronization for Table controls based on a data file......
Modbus
Modbus is a "field" (industrial and/or restricted environments) communication protocol created in 1979......
Refreshing the page data
In a dynamic WEBDEV site, the page data is refreshed during a user action......
Native MariaDB Connector: Programming with HFSQL functions
To use a MariaDB database with Native Connector, the structure of MariaDB tables must be imported into the WINDEV or WEBDEV analysis......
Welcome to WINDEV, WEBDEV and WINDEV Mobile
The home page allows you to easily perform the operations for creating and opening projects......
How to create an SQL query to count?
This help page explains how to create a count query with the query editor....
Creating a help file
WINDEV, WEBDEV and WINDEV Mobile allow you to create a help file and associate it with an application or website......
<Window>.ToSource (Function)
Automatically updates: the values of a data file's items in memory with the values from the controls in the window. the value of the WLanguage variables with the value of the window controls. This function is also available for WEBDEV pages....
Property of entity/association
In the MERISE methodology, the properties correspond to the characteristics of entities......
ScreenToSource (Function)
Automatically initializes: the values of a data file's items in memory with the values from the controls in the window. the value of the WLanguage variables with the value of the window controls. This function is also available for WEBDEV pages....