ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

MDL file (kept for backward compatibility): Pattern description
The MDL file is the file used to generate a RAD window......
Modifying the values displayed in the result of a select query
In the result of a select query, you have the ability to only display......
Manipulating a database schema (LDM)
The main manipulations possible on a database schema (MLD) are as follows ......
Properties associated with the rows of a TreeView control
The rows of TreeView controls in a window or page can be manipulated using different WLanguage properties......
Integrate two-factor authentication into your applications
Starting with version 26, WINDEV, WEBDEV and WINDEV Mobile allow you to implement two-factor authentication......
SEO-ready page in session mode
In WEBDEV, there are two methods to develop a site......
Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ......
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....
ERR_TIMEOUTINIT
Initializes the external language......
The Preset control
The "Preset" control is used to display the frequently used controls without programming......
Access rights to a class property
A property is a code element that includes two processes......
Automatic Application Features (AAF) of Spreadsheet controls
The Spreadsheet control includes multiple Automatic Application Features (AAF) in order to simplify the use of the control......
How to populate a Table control programmatically?
This help page presents the different methods that can be used to populate a Table control programmatically....
Operators on character strings
The character strings can be handled by specific WLanguage functions or by the +, [[ and ]] operators......
Type and version of Web server
The configuration diagnostic displays the following error......
Assigning dependencies to requirements
The following steps must be performed to implement the requirements......
Code editor: Display options
The code editor proposes several display options......
Overview
Overview of the different operators...
Step 5: Site parameters
Once the site installed, you can define the site connection options......
Service variable
The Service variable is used to......
Operations in a Select query
The query editor allows you to perform operations on the values of an item......
Synchronizing the database schema with external databases
The database schema must be synchronized with an external database if it uses......