ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

HFSQL error handling help
WINDEV, WEBDEV and WINDEV Mobile include a module for assisted management of HFSQL errors......
Upload control properties
The Upload control can be handled in server code and in browser code by the WLanguage properties......
Properties associated with a page
WINDEV allows you to manipulate Dynamic Tab controls with the TabXXX functions and with multiple WLanguage properties......
PageWriteHTTPCode (Function)
Specifies the HTTP code that will be returned to the client after the server code of the page is executed.
Constants for Table, TreeView Table, Looper and List Box controls
List of constants used by the functions for managing Table, TreeView Table, Looper and List Box controls....
IntegerToWeekNumber (Function)
Returns the week number within the year that corresponds to the specified date (this date is an integer).
Captcha control properties
The Captcha control can be handled by the WLanguage properties in server code and in browser code.
DateToString (Function)
Converts: a date to a string in the specified format. a date time to a string in the specified format....
<Date type>.ToString (Function)
Converts: a date to a string in the specified format. a date time to a string in the specified format....
iFrame control properties
The iFrame control can be handled in server code and in browser code by the WLanguage properties......
Pager control properties
The WLanguage properties are used to handle the Pager control in server code and in browser code......
"WEBDEV Application Server" License Agreement
"WEBDEV Application Server" License Agreement...
ErrorPropagate (Function)
Propagates a non-fatal error that can be processed by the calling code if the management of non-fatal errors was enabled for this code (in the code editor or by ErrorChangeParameter).
Events associated with pages
List of events associated with pages...
How to include secure payment in a WEBDEV site?
This help page explains how to add a secure payment into a WEBDEV site......
Managing mutexes in threads
A mutex is used to limit the simultaneous execution of a code (procedure, line of code, etc.) to one thread at a given time....
Testing and debugging a WINDEV project on the user computer
WINDEV offers multiple possibilities to test and debug a project directly on the development computer (see Testing and debugging a WINDEV executable on the development computer)......
Creating a combining query
A combining query (corresponding SQL statement: UNION) ......
Error 13: The label already exists
Error 1046: Wrong parameter for the constructor of the class