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.
Time (Type of variable)
The Time type is used to easily handle the times...
Array (Type of variable)
An array is a structured type that is used to group a set of elements of the same type...
Repetition (Type of variable)
The Repetition type is used to describe and modify the characteristics of a repetition...
hScheduling (Type of variable)
The hScheduling type is used to define and find out the characteristics of the scheduling that must...
Managing the Unicode format in the HFSQL files
The analysis proposes two types of Unicode items......
HExecuteSQLQueryAsynchronous (Function)
Executes an SQL query asynchronously.
Handling a dynamic programmatically
WINDEV allows you to handle Dynamic Tab controls with the TabXXX functions and with multiple...
hScheduledTask (Type of variable)
The hScheduledTask type is used to manage a scheduled HFSQL Client/Server task...
HSynchronizeReplica (Function)
Synchronizes the master replica and the subscriber replica: the operations performed on one...
iParameter (Function)
Retrieves the printer configuration and configures the print.
Type of windows created by RAD
The wizard for window creation proposes several types of windows associated with HFSQL data...
How to create two linked cascading tables?
This help page explains how to create two linked cascading Table controls in a window or page....
3. Editing products
WEBDEV Tutorial - Creating a website with back office processes Lesson 3 - Editing products - 50...
Specific features of Android applications
The development of Android and WINDEV Mobile applications is different in the following fields......
TaskModify (Function)
Modifies the current task in a Lotus Notes or Outlook task list.
ImageScrollingPosition (Function)
Returns the displayed image.
TableModifyColumn (Function)
Modifies a column in a horizontal Table control.
saasSubscription (Type of variable)
The saasSubscription type is used to define the advanced characteristics regarding the subscription...
Handling an Upload control through programming
The Upload control is used to upload one or more files....
InitWindow (Function)
Initializes (or not) the controls to zero and runs the initialization processes of the controls...
HOut (Function)
Used to find out whether the record on which you want to be positioned is located outside the data...
Handling a Chart control through programming
WINDEV, WINDEV Mobile and WEBDEV allow you to handle a Chart control through programming......
Positioning table
Positioning the elements in a page is simplified by the use of a positioning table (HTML table)......
apiRequest (Type of request)
The apiRequest type is used to define all the advanced characteristics of a request executed via...
mongoGridFS (Type of variable)
The mongoGridFS type is used to define the advanced characteristics of a file system for a MongoDB...