ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Environment of the query editor
When creating a class in the code editor, the Constructor and Destructor methods are automatically created by default...
Creating a query
Two methods can be used to create a query...
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file...
Sort order of records found in a select query
To make the result of a query easier to read, the records can be sorted according to one or more items...
Modifying the values displayed in the result of a select query
In the result of a select query, you have the ability to only display...
Select query description window
The description window of a select query includes several sections...
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
Selection conditions of a query
The selection conditions of records are applied to the items used in the queries...
Test of a query
The query editor allows you to run the test of query result...
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a query...
Joins between the tables of a select query
When several tables are used in a query, the query editor automatically searches for the links between these tables described in the database schema...
Project comparator
Comparing two windows (two pages, two reports, two classes, ...
Creating an insert query
An insert query (corresponding SQL statement...
Items used in a select query
A query created in the query editor can contain several types of items...
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 in the result of the query.
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
Carrying over the differences from an element to another one
The project comparator is used to compare two elements and to list the differences found...
Example for creating a select query
This help page explains how to create two select queries...
Query: Displaying the records corresponding to a given period
When a "Date" item is found in the query, you have the ability to only select the records corresponding to a given period...
Result of a query in test mode
After its execution in test mode (see Running the query test), the result of the query can be...
HSuggestKeyEnd (Function)
Finishes collecting information on executed queries.
Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ...
Creating a delete query
A delete query (corresponding SQL statement...
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
Creating a select query
A select query (corresponding SQL statement...
9. Hardware and software requirements
hScheduledTask (Type of variable)
The hScheduledTask type is used to manage a scheduled HFSQL Client/Server task through programming......
appServerScheduledTask (Type of variable)
The appServerScheduledTask type is used to manage a scheduled task of WEBDEV Application Server through programming (for a site or a webservice).
Constants for WLanguage types
List of constants for managing WLanguage types....
Array (Type of variable)
An array is a structured type that is used to group a set of elements of the same type...
BTChangeVisibility (Function)
Changes the visibility of a Bluetooth radio.
ToClipboard (Function)
Writes text or image information into the system clipboard.
FTPName (Function)
Returns the name of last file accessed by an FTP function (File Transfer Protocol).
BurnerVolumeName (Function)
Allows you to find out or modify the name of the CD or DVD to burn.
fSaveBuffer (Function)
Creates and fills a text file with the content of a string or buffer variable.
NullAllowed (Property)
The NullAllowed property is used to manage the NULL value in the items of HFSQL data files.
Preset page templates
The preset page templates provide some structures of pages corresponding to a wide range of sites and they also improve the re-usability and the graphic harmony between the projects......
Monitoring robot: General check parameters
The general parameters of the check must be defined when creating or modifying a check......
WDAPI: Converting a declaration of C function or structure
WDAPI is used to convert a declaration of C function or structure into a declaration of WLanguage function or structure......
CaseSensitive (Property)
The CaseSensitive property is used to determine if the different searches performed on the item distinguish between uppercase and lowercase characters (with HReadSeek, HReadSeekFirst and HReadSeekLast, for example).
Sorted (Property)
The Sorted property is used to: Determine whether a control is sorted. Sort a control or not....
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....
OpenPopup (Function)
Opens a popup window and waits for this window to be closed.
Native Access Connector
This type of Native Connector allows access to ACCESS databases for better interoperability purposes......
WDMap: Reindexing an HFSQL data file
WDMap is used to find out whether an HFSQL data file must be reindexed and reindex an HFSQL data file......
1. WLanguage functions specific to WEBDEV
NotifPushListInvalidIdentifiers (Function)
Returns the list of invalid identifiers on the APN service of Apple.
Scheduler control events
The following events associated with Scheduler controls:...
HCreation (Function)
Creates an empty data file (".FIC" extension) with the index file and the memo file if necessary.
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......