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...
Pre-launched sessions
A pre-launched session is a session of a Web site (or webservice) automatically started on the Web server from the WEBDEV Application Server......
The Ad control
The Ad control is used to monetize an Android application by displaying an ad banner that generates incomes according to the number of clicks performed by the application users....
MongoDB/GRIDFS databases
MongoDB is a document-oriented NoSQL database......
Integrate two-factor authentication into your applications
In version 26, WINDEV, WEBDEV and WINDEV Mobile allow you to set up a login via two-factor authentication......
WEBDEV styles
The WEBDEV styles are advanced styles, easier to use than the CSS styles......
Printing in PDF format: Special cases
Specific features of print in PDF format...
Handling an Internal Window control through programming
The "Internal Window" control is used to display an existing internal window......
TextDirection (Property)
The TextDirection property is used to determine and change the writing direction in a window, report or control (useful for languages such as Arabic or Hebrew).
Business rules
WINDEV, WEBDEV and WINDEV Mobile allow you to manage the business rules......
Automatic context menu for the Scheduler controls
Each Scheduler control found in a window proposes a menu to the user....
Context menu of Organizer controls (AAF)
Each Organizer control found in a window proposes a menu to the user......
Multi-touch in an Image control
One of the most common applications of the multi-touch feature is used to handle images......
SaaS administrator - Managing a site
The management of a SaaS site is used to modify the three main characteristics of the site......
AAFExportSecurity (Function)
Secures the export of confidential data in the AAFs (Automatic Application Features) that are used to export, print or save data.
xBase files: Limits
Creating an SCM repository
To share a project via the Source Code Manager, a repository must be created......
Android Control Center
Do you know where to find your application log files?...
HFSQL Control Center: Managing scheduled elements
You have the ability to define scheduled elements on the HFSQL server....
Comparison operators
The comparison operators can be divided into several categories......
Context menu of Gantt Chart controls (AAF)
Each Gantt Chart control in a window has a default menu that is available to users......
TableModifyLine (Function)
Modifies a row in: a Table control, a TreeView Table control....
WDMap: Viewing records: special cases
This help page presents the special display cases in WDMap......
Report viewer: "Preview" tab
The report viewer allows end users to view reports before printing them......
Time (Type of variable)
The Time type is used to easily handle the times...
.NET application
To create a.NET application from a project......