ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

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...
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.
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file...
Creating a delete query
A delete query (corresponding SQL statement...
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...
STOP (Reserved word)
STOP is used to call the WLanguage debugger during a test in the editor...
Multiline strings
To type character strings over several lines in the code editor...
DiagramGroup (Function)
Creates a group from the elements selected in the Diagram Editor control.
DiagramUngroup (Function)
Dissociates the different shapes of a group in a Diagram Editor control.
<HTML editor>.FormatSelection (Function)
Modifies the style of the selected elements in an HTML Editor control.
Image editor: Features
The image editor includes several features......
The "Modifier"pane
The "Modifier" pane is used to view and/or modify, from the window editor, page editor or report editor, the main characteristics......
The Spin control
A Spin control is used to increase or reduce a value found in a control......
Composite report
The report editor gives you the ability to create "Composite" reports. In this case, the report includes several sub-reports....
SQLLock (Function)
Used to lock: The entire data table, in read and write mode. Its data cannot be accessed by other computers. The records selected by the query. This data cannot be accessed by the other computers. This method can be used to update records for example....
The Diagram Editor control
The Diagram Editor control allows users to create and edit diagrams in your applications and sites......
Binding a Link control to an item
VisibleEndUser (Property)
The VisibleEndUser property is used to: Find out whether an item is visible or not to the end users. This item was defined in the data model editor or programmatically. Define whether an item must be visible or not to the end users (item described programmatically only)....
Diagram Editor (WEBDEV): Features
The Diagram Editor control includes many features accessible via......
<Dashboard>.InitialConfiguration (Function)
Modifies the configuration of a Dashboard control (defined in the editor) before its first display.
PicSave (Function)
Saves the image found: in an Image Editor control. in a WDPic variable....
DashInitialConfiguration (Function)
Modifies the configuration of a Dashboard control (defined in the editor) before its first display.
HTMLEditorGet (Function)
Asynchronously retrieves the value of one of the properties of an HTML Editor control.
<HTML editor>.Get (Function)
Asynchronously retrieves the value of one of the properties of an HTML Editor control.
Data model editor: the different types of items
The different types of items proposed in the data model editor are as follows:
Diagram Editor control events
WINDEV manages the following events by default (in the order in which they appear in the code editor) for the Linear Slider controls and for the Range Slider controls...
DiagramInfoXY (Function)
Indicates the presence of a shape at a given position in the Diagram Editor control.
<Diagram editor>.DiagramInfoXY (Function)
Indicates the presence of a shape at a given position in the Diagram Editor control.