ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Creating a delete query
A delete query (corresponding SQL statement...
HSuggestKey (Function)
Returns a list of keys to add to data files to improve query performance.
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...
HSuggestKeyEnd (Function)
Finishes collecting information on executed queries.
Project comparator
Comparing two windows (two pages, two reports, two classes, ...
Creating a query
Two methods can be used to create a query...
Items used in a select query
A query created in the query editor can contain several types of items...
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...
Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ...
Create an insert query
An insert query (corresponding SQL statement...
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...
Joins between the data files of a select query
When several data files are used in a query, the query editor automatically searches for the links between these files defined in the analysis...
Code history
The code history is used to...
Environment of the query editor
Creating a select query
A select query (corresponding SQL statement...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a query...
HSuggestKeyStart (Function)
Starts collecting information on executed queries.
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
Select query description window
The description window of a select query includes several sections...
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
Example for creating a select query
This help page explains how to create two select queries...
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...
Test of a query
The query editor allows you to run the test of query result...
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.
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...
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file...
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...
HPass (Function)
Defines the password used to create or open a data file.
Secure (Property)
The Secure property is used to configure the security level of data file encryption.
HListConnection (Function)
Returns the list of connections currently described in the application.
Analysis shared between earlier WINDEV applications and WINDEV 2024 applications
An analysis can be shared between a WINDEV application......
CursorOptions (Property)
The CursorOptions property is used to manage the type of cursor used for a connection (Native Connectors, OLE DB, etc.).
XLS file handling functions
List of functions for managing XLS files...
NullableIndex (Property)
The NullIableIndex property determines if a key item supports the "Null" value.
fOpenTempFile (Function)
Creates and opens a temporary file.
SchedulerDeleteResource (Function)
Deletes a resource from a Scheduler control.
fDirRename (Function)
Renames a directory.
HListREP (Function)
Returns the list of assignments for the data files handled by the current application, which means the list of physical files corresponding to the files described in the analysis.
1. HFSQL Client/Server: Implementation
WINDEV Tutorial: Using an HFSQL Client/Server database Lesson 1 - HFSQL Client/Server: Implementation - 10 min...
TextItemCompleted (Property)
The TextItemCompleted property is used to manage text items in an HFSQL data file.
Automated tests of window
The automated tests of window are used to check the different features proposed by the window......
AWP without UI
Bootstrap, Angular, React, Vue......
Page templates
WEBDEV allows you to create page templates......
HRecordToJSON (Function)
Retrieves the structure and value of the current record and exports them into a string in JASON format.
Power (Function)
Raise a number to a power.
dCopyImage (Example)
Usage example of the dCopyImage function
HAlias (Example)
Usage example of the HAlias function
zipExtractAll (Example)
Usage example of the zipExtractAll function
EmailReadFirst (Example)
Usage example of the EmailReadFirst function
Multiselection (Property)
The Multiselection property gets and sets the selection mode: in a Table and TreeView Table control. in a Pivot Table control. in a List Box and ListView control. in a Looper control. in a Calendar control. of files in an Upload control....
FontName (Property)
The FontName property is used to: Identify the font used in a control. Change the font used in a control....
Advanced types
The advanced types of WLanguage are as follows...