ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Composite chart
A composite chart is a chart that displays several types of charts......
The UML model
The main objective of a development team is to create optimized applications, capable of satisfying the ever-changing needs of their users......
How to create an SQL query to filter records?
This help page explains how to create an SQL query to filter records....
Including JavaScript files or a Web resource
WEBDEV allows you to include Javascript files or external resources in a WEBDEV project......
8. "Mobile friendly" site: Dynamic serving
10. Customizing the aspect of a site: skin elements
Installing a WEBDEV site with zero-downtime update
Starting with version 24, you can update a Session or AWP site without disconnecting users......
WDTrans: Cancel the operations performed on a transaction file
If a transaction is in progress, cancels all operations performed on the files in transaction since the start of transaction......
Generating a description of a data file from a window or from a page
When you design a quick prototype, you often create windows (or pages) without defining any data files......
16. Types of code
Height (Property)
The Height property is used to get and change the height: of a control or block in a report. of a control (in a window), window, row of a Table, List Box or ListView control, option of a Radio Button or Check Box control, break header or footer of a Table or Looper control. of a control (in a page), break header or footer in a Table or Looper control. The control can be overlayable or not. of a break cell in a Table or Looper control....
Managing WebSockets
The WebSockets are used to communicate from a Web application (Intranet or Internet site run in a browser) to a Web server by using sockets......
9. Queries
A query is used to request information from a database to view, insert, change or delete data....
Python: Native calls
WLanguage allows for native Python calls......
How to choose the data source of a control?
This help page presents the different data sources available for a control....
1. RAD (Rapid Application Development)
1. RAD (Rapid Application Development)
XML: Using files exceeding several gigabytes
Starting with version 23, an XML parser is available to handle XML files that are multiple GB in size......
<Page>.FromFile (Function)
Automatically updates the controls of a page with: the values of the bound items in the current record (loaded in memory) of the data file described in the data model editor. This operation is performed regardless of the state of the controls (grayed, inactive or invisible). the values of the bound WLanguage variables. This operation is performed regardless of the state of the controls (grayed, inactive or invisible)....
Binding a Scrollbar control to an item
A scrollbar can be bound to an item in a data file, query, etc....
FileToPage (Function)
Automatically updates the controls of a page with: the values of the bound items in the current record (loaded in memory) of the data file described in the data model editor. This operation is performed regardless of the state of the controls (grayed, inactive or invisible). the values of the bound WLanguage variables. This operation is performed regardless of the state of the controls (grayed, inactive or invisible)....
WDTrans: Delete the records in transaction
Transforms all the records "in transaction" into "normal" records if these records do not belong to a transaction currently in progress......
Import from previous versions
To install a dynamic WEBDEV site on a web server, you will need deployment accounts......
Report viewer (Print preview)
The report viewer allows you to see the report layout without printing it......
Aliases on data files: HAlias
The aliases are used to handle......