ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Environment of the query editor
When creating a class in the code editor, the Constructor and Destructor methods are automatically created by default...
Creating a query
Two methods can be used to create a query...
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file...
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...
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...
Select query description window
The description window of a select query includes several sections...
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...
Test of a query
The query editor allows you to run the test of query result...
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a 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 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...
Items used in a select query
A query created in the query editor can contain several types of items...
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 a combining query
A combining query (corresponding SQL statement: UNION) ...
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...
Example for creating a select query
This help page explains how to create two select queries...
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...
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...
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, ...
Creating a delete query
A delete query (corresponding SQL statement...
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
Creating a select query
A select query (corresponding SQL statement...
xBase files: Limits
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).
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......
Android Control Center
Do you know where to find your application log files?...
AAFExportSecurity (Function)
Secures the export of confidential data in the AAFs (Automatic Application Features) that are used to export, print or save data.
Handling an Internal Window control through programming
The "Internal Window" control is used to display an existing internal window......
Creating an SCM repository
To share a project via the Source Code Manager, a repository must be created......
Multi-touch in an Image control
One of the most common applications of the multi-touch feature is used to handle images......
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......
HFSQL Control Center: Managing scheduled elements
You have the ability to define scheduled elements on the HFSQL server....
.NET application
To create a.NET application from a project......
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...
BackgroundImage (Property)
The BackgroundImage property is used to identify and modify the background color of an element: window, page, control or report.
ZOrder (Property)
The ZOrder property defines the Z-order of an element.
Synchronizing threads via events
Events can be used to synchronize the different threads of an application......
CallDLL32 (Function)
Runs a function found in an external DLL.
Monitoring robot: Configuring the robot parameters
From the monitor, you can change the configuration options......
Database parameters (Setup program)
The setup program creation wizard includes the setup of the database along with the application and suggests additional elements......
Managing HBase databases
HBase is a non-relational (NoSQL) distributed database, based on columns and using non-structured storage for large tables......