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...
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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, ...
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...
Events associated with List Box controls
List of events associated with List Box controls...
Context Menu control events
A Contextual Menu control can be manipulated in WLanguage in an Page with the following properties......
Events associated with Radio Button controls
List of events associated with Radio Button controls...
Events associated with Calendar controls
List of events associated with Calendar controls...
Events associated with Check Box controls
List of events associated with Check Box controls...
Events associated with Tab controls
List of events associated with Tab controls...
Switch control events
Opens an existing archive in RAR format....
Events associated with pages
List of events associated with pages...
Empty (Property)
The Empty property is used to determine if: a Looper, Table, List Box or Combo Box control is empty. The control can be bound to a table or use an in-memory data source. a Chart control contains no series. a report control is empty (control linked to an item). an array (or an associative array) contains no element. an element of an associative array exists or not. a queue, a list or a stack contains no element....
Materialized view
...A materialized view is a physical data source defined by an SQL query....
8. Associating controls with data
8. Binding controls to data
A window can display information from......
Binding an Image control to an item
An Image control can correspond to an item found in a table, in a query,...
The Looper control
A Looper control is used to repeat the controls found in a specific area......
WLanguage functions available for a report
Most WLanguage functions can be used in the events of a report (created with the report editor)......
HImportXLS (Function)
Imports an XLS file into a data file in HFSQL Classic or Client/Server format (data file described in the data model editor, or declared by HDeclare, HDeclareExternal or HDescribeFile)....
14. Report templates
Report templates...
22. Report templates
The HTML Editor control
The HTML Editor control allows users to create and modify HTML pages......
<Source>.ImportText (Function)
Imports a Text file into a data file in HFSQL Classic or Client/Server format (data file described in the data model editor, or declared by HDeclare, HDeclareExternal or HDescribeFile)....
<Source>.ImportXLS (Function)
Imports an XLS file into a data file in HFSQL Classic or Client/Server format (data file described in the data model editor, or declared by HDeclare, HDeclareExternal or HDescribeFile)....
HImportText (Function)
Imports a Text file into a data file in HFSQL Classic or Client/Server format (data file described in the data model editor, or declared by HDeclare, HDeclareExternal or HDescribeFile)....