ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

ERR_NO_CURRENT_PAGE
How to create two linked cascading tables?
This help page explains how to create two linked cascading Table controls in a window or page....
7. AJAX technology
Image control properties
The Image controls include properties that can be handled in WLanguage both in the windows and pages but also in the reports......
PopupAnimate (Function)
Displays a popup in a page cell.
Font (Property)
The Font property is used to Get the identifier of the font used in a control in a report, page or window. Change the font used in a control in a report, page or window....
Managing cookies
A cookie is an easy way to temporarily store information on the user's computer......
The Progress Bar control
The Progress Bar control is used to follow the progress of an event......
ExecuteUpdateUI (Function)
Immediately executes the "Request for refreshing the display" event of the window, page, internal window, internal page, control template or supercontrol. This function is kept for backward compatibility.
PageDisplay (Function)
Displays a web page in the user's browser....
Constants used by properties associated with windows, reports, pages and controls
List of constants used by properties associated with windows, reports, pages and controls....
The Web Camera control
...The Web Camera control is used to view a file that is refreshed at regular time intervals....
PageWriteHeaderHTTP (Function)
Adds an additional HTTP header that will be returned to the browser: during the next function for page display (PageDisplay, PageRefresh, ...), during the automatic return of the current page at the end of the current action....
NbLinesPerPage (Property)
The NbLinesPerPage property is used to: Get and set the maximum number of Table rows per page. Get and set the maximum number of Looper rows per page....
Null (Reserved word)
The Null keyword can be used according to different methods in WLanguage......
<Popup>.Animate (Function)
Displays a popup in a page cell.
Managing context menus in a WINDEV or WINDEV Mobile application
A context menu can be opened by the user via a right mouse click......
PageChangeLayout (Function)
Applies a specific layout to a page.
ERR_BUTTON_EXPECTED
Assisted HFSQL error handling
WINDEV, WEBDEV and WINDEV Mobile include a module for assisted management of HFSQL errors......
Display modes, transparency and symmetry of an image
An image can be displayed in a window, a window control, a report control, a page control or a block according to several display modes....
Characteristics of the Looper control in a page
To view the characteristics of the control, select "Description" in the context menu....
PageParameter (Function)
Returns the value of a parameter passed to the current page.
Title (Property)
The Title property is used to: Get the title of a Table control column, a Chart control, a window or a page Change the title of a Table control column, a Chart control, a window or a page....
How to open a page?