ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Specific page for displaying the site errors
If an error occurs in the dynamic WEBDEV site, a standard error page is displayed by default. This page informs the Web user of the error that occurred in the site....
<Window>.EdSelectOccurrence (Function)
Indicates the number of controls selected when the interface is modified by the end user ("Allow end users to modify the UI" option enabled).
<Window>.EdRestore (Function)
Undoes all the changes made by the end user ("Allow end users to modify the UI" option enabled).
<Window>.EdRedo (Function)
Runs the last action undone by the end user ("Allow end users to modify the UI" option enabled).
WEBDEV and Tailwind CSS
Tailwind CSS is an open source CSS framework......
Spreadsheet control in a window
The spreadsheet is one of the most often used business tools. The Spreadsheet control is used to include a spreadsheet in your WINDEV windows....
Handling controls in a window
The different operations that can be performed on the window controls are as follows......
<Window>.EdSelectPlus (Function)
Selects a control when the interface is modified by the end user ("Allow end users to modify the UI" option enabled).
Setup of the WEBDEV Application Server for Linux
Remote WEBDEV administrator: Error message management
By default, when an error occurs in a dynamic WEBDEV site, an error message is displayed in the browser of the Web user....
ERR_CANNOT_CREATE_TMP
<Window>.FromFile (Function)
Automatically updates the controls in a window or page with: the values of the bound items in the current record (loaded in memory) of the table described in the data model editor. the values of the bound WLanguage variables. This operation is performed regardless of the state of the controls (grayed, inactive or invisible)....
9. Application menus
Menus are displayed in different ways......
Displaying a page in a WEBDEV site
Displaying a new page in a WEBDEV site can be done according to several methods......
Multiline (Property)
In a window or page, the Multiline property is used to: find out and modify the "Multiline" option of an Edit control. find out and modify the "Multiline" option of a column in a Table control. In a report, the Multiline property is used to determine and change the "Multiline" option of a control....
Selected (Property)
The Selected property is used to: Select, or determine if a row is selected in a List, ListView or Table control. Select, or determine if a column or cell is selected in a Table control with row or column selection. Select, or determine if a WEBDEV menu option is selected....
Animation management functions
WINDEV proposes several WLanguage functions for managing animations......
Choosing the action associated with a WEBDEV button
Whatever the type of button, it is possible to associate an action with it......
<Table>.InfoXY (Function)
Returns for a given position in a Table or TreeView Table control (coordinates of a control point): the name of the column displayed for the specified position. the index of the row or column for the specified position....
TableInfoXY (Function)
Returns for a given position in a Table or TreeView Table control (coordinates of a control point): the name of the column displayed for the specified position. the index of the row or column for the specified position....
Binding a ListView control to an item
Automatic AJAX
The diagram below presents the automatic and immediate use of AJAX in a WEBDEV site......