ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
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...
(No title )
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, ...
Creating an insert query
An insert query (corresponding SQL statement...
Creating a query
Two methods can be used to create a query...
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...
FilePath (Property)
The FilePath property gets: the name of the xlsx file associated with a Spreadsheet control. the name of the file associated with an Image Editor control. the name of the PDF file associated with a PDF Reader control. the name of the DOCX file associated with a Word Processing control. the name of the wddiag file associated with a Diagram Editor control....
Anchored move on the main axes
To facilitate the positioning of controls, you have the ability to force their move according to the four main axes (0°, 45°, 90°, 135°)....
Flexible modeling editor
The flexible modeling editor allows you to easily create a "non-restricting" and "flexible" modeling, entirely included in the environment......
The Image Editor control (WEBDEV)
By using the Image Editor control in your websites, you will allow users to create and edit images or photos......
InterfaceModifiableWithReportsAndQueries (Property)
The InterfaceModifiableWitReportsAndQueries property is used to determine if the interface of a report can be modified in Reports & Queries.
Debugging a connection to an HFSQL server
The stored procedures and the triggers are debugged from the environment, with real execution on the server......
TreeView control linked to a table
TreeView controls can be created directly linked to data....
Testing and debugging a project on the development computer
The test of the entire project allows you to simulate the start of the application with the executable......
SQL functions for handling spatial data
Below are the main SQL functions that can be used to handle spatial data in SQL queries......
SecurityHtml (Property)
The SecurityHtml property is used to get and change the status of the security mechanism of HTML Display and HTML Editor controls.
Action Bar control events
Body (Property)
The Body property is used to identify and modify the HTML body of an HTML Display control or an HTML Editor control.
diagLibrary (Type of variable)
The diagLibrary type is used to define all the advanced characteristics of a library of preset shapes used by a Diagram Editor control.
diagActionAllowed (Type of variable)
The diagActionAuthorized type is used to define the actions available to end users on a diagram shape in the Diagram Editor control.
Mobile Image Editor control events
Formats WLanguage code: coloring, normalized rewriting, indentation, translation, etc....
Compiler (Property)
The Compiler property gets and sets the compiler options in the Code Editor control, in particular, which functions are allowed or disallowed.
Surround code fragments
You can surround code fragments with a condition, structure, etc....
Events associated with Bar Code controls
List of events associated with Bar Code controls...
Events associated with List Box controls
List of events associated with List Box controls...
Native Container control events
The following events appear by default in the WINDEV and WINDEV Mobile code editor...