ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Writing an email
Writing an email in WLanguage consists in filling the email structure of WLanguage......
<Pivot Table>.CalculateUpdate (Function)
Updates some of the data found in a Pivot Table control from a given date.
PVTCalculateUpdate (Function)
Updates some of the data found in a Pivot Table control from a given date.
StartDate (Property)
The StartDate property gets and sets the start date of a time period.
CalendarOpen (Function)
In a Date edit control, opens a popup window displaying a calendar.
EndDate (Property)
The EndDate property gets and sets the end date of a time period.
<Input>.CalendarOpen (Function)
In a Date edit control, opens a popup window displaying a calendar.
<Date type>.ToWeekNumber (Function)
Returns the week number within the year that corresponds to the specified date.
Error 14: ELSE statement without IF
Several HFSQL functions are used to manage the HFSQL Client/Server data......
Color palettes (WEBDEV site)
The color palettes are an easy way to customize the visual aspect of a site......
The Looper control
A Looper control is used to repeat the controls found in a specific area......
DateTimeByDefault (Function)
Used to define the default value of Date, Time and DateTime variables.
Log-based replication
The replication is the operation allowing you to keep updated remote databases of identical structures on which several operations are performed......
The Windows registry
Several WINDEV functions can be used to handle the Windows registry......
Creating an executable: Manifest management
When running an executable, Windows Vista (and later) performs several checks regarding the rights of the current user via the UAC mechanism (User Account Control)......
ERR_DISCONNECTED_RELOG
Returns an array without duplicates....
MemoryFormat (Property)
The MemoryFormat property is used to get and change the format of the value returned for: Date or Time edit controls. Date or Time table columns. Calendar controls. Static controls. editable combo boxes. table columns displayed by combo boxes....
Debugging a connection to an HFSQL server
The stored procedures and the triggers are debugged from the environment, with real execution on the server......
The TreeView Table control
The Treeview Table control is a cross between the Table control and the TreeView control......
How to choose the data source of a control?
This help page presents the different data sources available for a control....
Reactive procedures
Reactive procedures are executed when the value of a control or variable changes......
8. 10 tips for better interfaces...