ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

NULL values in HFSQL
WINDEV, WEBDEV and WINDEV Mobile allow you to manage the NULL value in the items of the HFSQL data files and for all the other types of accesses (Native, OLE DB, ...
Max (Function)
Returns the greatest value passed as parameter.
<ANSI string>.ToNum (Function)
Returns the numeric value of a character string. This feature enables you to perform numeric calculations on strings.
<Source>.BuildKeyValue (Function)
Builds the value of a composite key to implement a filter (HFilter) or to perform a search (HReadSeekFirst, HReadSeekLast, etc.).
HBuildKeyValueANSI (Function)
Whatever the platform used, the data stored in HFSQL data files is in ANSI format.
StringToNum (Function)
Returns the numeric value of a character string. This feature enables you to perform numeric calculations on strings.
HBuildKeyValue (Function)
Builds the value of a composite key to implement a filter (HFilter) or to perform a search (HReadSeekFirst, HReadSeekLast, etc.).
ChronoValue (Function)
Indicates the time elapsed (in milliseconds) since the call to ChronoStart.
LocalStorageGet (Function)
Retrieves a value from the local storage.
Val (Function)
Returns the numeric value of a character string.
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
<Array>.Min (Function)
Returns the lowest value in the array.
Min (Function)
Returns the lowest value.
Data persistence
The data persistence is used to store the value typed by the user...
<Array>.Max (Function)
Returns the greatest value in the array.
Analysis shared between earlier WINDEV applications and WINDEV 2024 applications
An analysis can be shared between a WINDEV application......
HAdd (Example)
Usage example of the HAdd function
Events associated with Looper controls
List of events associated with Looper controls...
The Multimedia control
The Multimedia control is used to play multimedia files......
Events associated with Clickable Image controls
List of events associated with Clickable Image controls...
TableAddColumn (Function)
Adds elements on the right of an Horizontal Table control.
Remote WEBDEV administrator: Configuration of a Webservice or a WEBDEV site in Session mode
To view the configuration of a specific Webservice or WEBDEV site in Session mode from the remote...
MapDisplayPosition (Function)
Centers the map displayed in a Map control on a geographical position or on a specific location.
How to create an SQL query with a calculation formula?
This help page explains how to create a query with a calculation formula with the query editor....
How to create an SQL query to filter records?
This help page explains how to create an SQL query to filter records....
Password (Property)
The Password property can be used: on the edit controls (or on the text table columns) to find...
Metatypes in the analysis
A metatype is a combination of characteristics of an item and a bound control......
OpenSister (Function)
Opens a non-modal sibling window.
Encrypt (Function)
Encrypts a character string in binary format or in ASCII format.
WDScript: use in interactive mode
In interactive mode, the WDScript editor is divided into several areas......
RequestRefreshUIElement (Function)
Requests the execution of the "Request for refreshing the display" event of the specified element...
Advanced types
The advanced types of WLanguage are as follows...
Brochure of new features: New WEBDEV features
New features in WEBDEV 28 presented in the New Features brochure....
New Features brochure - Version 28: New WEBDEV features
New features in WEBDEV 28 presented in the New Features brochure....
Using objects
To access a class, the object must be declared as being part of the class to handle, this is called...
TableMode (Function)
TableMode is kept for backward compatibility.
TestCheckEqual (Function)
Checks whether the expressions are equal in assertive programming and in automated test mode.
ExceptionInfo (Function)
Retrieves information about the current exception.
LDAPListAttribute (Function)
Lists the object attributes in an LDAP server.
nfcData (Type of variable)
The nfcData type is used to describe and handle the data of a variable of type nfcTag.