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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Creating a query
Two methods can be used to create a query...
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Example for creating a select query
This help page explains how to create two select queries...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a query...
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...
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Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ...
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
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, ...
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
Creating an insert query
An insert query (corresponding SQL statement...
Creating a select query
A select query (corresponding SQL statement...
Test of a query
The query editor allows you to run the test of query result...
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
Selection conditions of a query
The selection conditions of records are applied to the items used in the queries...
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...
Environment of the query editor
When creating a class in the code editor, the Constructor and Destructor methods are automatically created by default...
Items used in a select query
A query created in the query editor can contain several types of items...
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...
NotifPushListInvalidIdentifiers (Function)
Returns the list of invalid identifiers on the APN service of Apple.
Monitoring robot: General check parameters
The general parameters of the check must be defined when creating or modifying a check......
SysDateTime (Function)
Returns or modifies the system date (current date and time defined on the current computer).
ChronoReset (Function)
Stops and resets a running stopwatch.
FontStrikeOut (Property)
The FontStrikeOut property is used to: Determine if the text displayed is struck through. Apply strikethrough formatting (or not) the text displayed in a control....
LooperInsertLine (Function)
Inserts a row into a Looper control.
LoadParameter (Function)
Reads a persistent value.
dRotation (Function)
Performs a rotation: of an Image control. of an Image variable. of a picLayer variable....
Right (Function)
Extracts the last characters from a string or string buffer.
UnicodeToAnsi (Function)
Converts: a UNICODE string to ANSI (Windows). a buffer containing a UNICODE string to a buffer containing an ANSI string (Windows)....
HError (Function)
Returns the number of the last error triggered by the HFSQL engine.
SQLDisconnect (Function)
Closes the current connection and frees the memory used by the connection.
EmailSaveAttachment (Function)
Copies the attachment of current email onto the user computer (locally).
HListLink (Function)
Returns the list of links (Merise) in the current analysis or in a specific analysis
HListTrigger (Function)
Returns the list of triggers applied to one or more HFSQL data files.
WINDEV 2024 Tutorial - Table of contents
fRead (Function)
Reads: a block of bytes (characters) in an external file (ANSI or Unicode), the content of an external file (ANSI or Unicode) and assigns it to a memory area....
BurnerVolumeName (Function)
Allows you to find out or modify the name of the CD or DVD to burn.
HTTPGetResult (Function)
Retrieves the result or the header of last HTTP request run.
EventCreate (Function)
Creates an event.
SemaphoreCreate (Function)
Creates a semaphore.
PositionOccurrence (Function)
Finds the Xth position of a string within another string.
GetVariableDefinition (Function)
Gets the description of a variable.
SocketWrite (Function)
Writes a message intended to another socket.
Memory (Property)
The Memory property determines if the specified control is populated programmatically or is based on a table.