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.
Functions for managing objects (External language)
Parameter of a procedure/function
You have the ability to pass parameters to a procedure....
Flexbox control description: Details tab
The "Details" tab of the Flexbox control description window allows you to define how the control...
InterpretAmpersand (Property)
of a Combo Box control. the values of a column in a Table control....
Query with parameters
The queries with parameters allow the user to easily select records according...
The "Stock" charts
The Stock charts are used to represent the variations in the values of shares......
InputMask (Property)
The InputMask property is used to: get the input mask. set the input mask (from the masks...
Question edit wizard
When typing a new message intended to the end user, WINDEV or WINDEV Mobile automatically displays...
Validating a page from a control that has no action on the server (List Box control, Combo Box, etc.)
By default, the validation of a page must be performed by a "Send the values of controls...
Programming automatic calculations in the columns of a Table control
SaaS administrator - Managing a client
Managing a SaaS client account is used to......
Input suggestions in an Edit control
Implementing input suggestions in an Edit control is very simple......
The "Radar" charts
The Radar chart is used to highlight a series according to another one......
Debugging without debugger
In some cases, running a program or a site with or without the debugger can produce different...
Page in Session mode: Populating controls after a long process
In a web application, you may need to run long processes (for example, to update counters......
Select query description window: Use
Let's see some operations specific to the description window of a select query......
Source (Property)
to get the source of the series: Table column, list of values, ... a connection: in this case,...
Custom telemetry
Custom telemetry allows you to define the elements that will be included in the analytics......
Enumeration and Combination items
WINDEV, WEBDEV and WINDEV Mobile propose the Enumeration and Combination types......
Select query: Displaying the first/last n records
The editor of Select queries is used to limit the number of records that will be displayed...
Elements of a class: Enumerating and handling through programming
Several types of WLanguage variables are used to enumerate and dynamically handle the elements...
Currencies
A currency is a real coded on 10 bytes....
Classes, members, methods and properties
A class is made of......
Break in a report
The break is used to group the records corresponding to a sort criterion......
ERR_BAD_CONFIG
ERR_BAD_CONFIG: The configuration of the APPLICATION_NAME site is incorrect for the %s value....