ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Select query description window
The description window of a select query includes several sections...
Creating an insert query
An insert query (corresponding SQL statement...
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...
HSuggestKeyEnd (Function)
Finishes collecting information on executed queries.
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...
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.
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 defined 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 a query
Two methods can be used to create a query...
Creating a select query
A select query (corresponding SQL statement...
HSuggestKey (Function)
Returns a list of keys to add to tables to improve query performance.
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) ...
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...
Creating a delete query
A delete query (corresponding SQL statement...
Code history
The code history is used to...
Selection conditions of a query
The selection conditions of records are applied to the items used in the queries...
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...
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...
HSuggestKeyStart (Function)
Starts collecting information on executed queries.
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...
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file...
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...
Printing duplicate copies
For legal reasons, it may be useful to keep an identical copy of a report (an invoice for example)....
Queue, Stack and List functions (prefix syntax)
List of Queue, Stack and List functions...
Database schema: Description of table structure
The database schema allows you to define the structure of tables used by the project......
Installing the robot controller
The monitoring robot includes three executables......
Handling an Edit control programmatically
You can handle Edit controls programmatically......
Modeling editor: Managing the styles
The modeling editor proposes an advanced management of styles......
4. Create a page in the editor...
<HTML editor>.GetDocument (Function)
Asynchronously retrieves the HTML document being displayed in an HTML Edit control.
The RTF control (Report editor)
The "RTF" (Rich Text Format) control is used to display a formatted character string in your report......
<Diagram editor>.Save (Function)
Saves a diagram as a "diag" file.
Code editor: Display options
The code editor proposes several display options......
Sticky header (Code editor)
When working in a large code file (larger than the screen), it can sometimes be difficult to determine where you are in the code......
2025 novelties brochure: Common novelties
What's new in WINDEV/WEBDEV/WINDEV Mobile 2025 in the What's new 2025 brochure....
Project elements
The project includes windows, reports, queries, help files, sets of procedures, ......
Using Kotlin code
Kotlin is a programming language mainly used for Android development......
FAA: Image field context menu
A context menu is available for Image controls......
Report viewer: "Export" tab
The "Export" pane in the report viewer allows you to perform the following operations......
Multi-page print
A report can be very wide, with a width exceeding the width of a paper sheet......
Events associated with Link controls
List of events associated with Link controls...