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...
Handling the views of a window
To easily handle huge windows (that cannot be entirely displayed in the editor for example), WINDEV and WINDEV Mobile allows you to handle several views of the same window......
1. Database schema: Database structure
When a WINDEV, WEBDEV or WINDEV Mobile project uses tables, it must be associated with a database schema....
Implement journaled replication: Modify database schema
Log-based replication can be implemented in the data model editor......
HListFile (Function)
Returns the list of files: found in the current analysis or in a specific analysis recognized by the HFSQL engine. The files defined by HDeclare, HDeclareExternal and HDescribeFile are taken into account. available on a connection via a native access or via an OLE DB driver. for a group of files defined in the data model editor....
The .NET 3.0, 4.0 control, ... (WPF)
The Xaml control allows you to easily manage the Xaml language......
HTTPResetForm (Function)
Clears an HTTP form that is currently edited.
WDInst: install additional components
By default, only the files found in the "List of setup files" window are installed on the user computers......
Windows
The windows represent the main interface of a WINDEV application......
Code Editor control properties
You can manipulate Code Editor controls in a window using the following WLanguage properties......
Native Progress Connector: Programming with SQL functions
The use of SQL functions to handle Progress data does not require importing the file structure into the analysis......
2025 new features brochure: WEBDEV new features
What's new in WEBDEV 2025 is presented in the What's new 2025 brochure....
Site test: the different types of tests
WEBDEV includes multiple methods for testing your sites......
State "form with input": input in a PDF form
The report editor can be used to create form reports, which include different controls allowing users to enter data......
Anchoring controls in a report
The anchors are used to define the behavior of controls during a resize operation......
Zoom (Property)
The Zoom property gets or sets the zoom value: in an Image control. in a Map control. in an Organization Chart control. in a Table, TreeView Table, Pivot Table, Spreadsheet or List Box control. in a Word Processing control. in a PDF Reader control. in a Camera control. in a Diagram Editor control; in a window....
Managing the styles
The help editor allows you to define styles of paragraphs......
Optional events
By default, the codes available in the code editor correspond to the most common codes......
spDerivation (Property)
The spDerivation property is used to: Get the key derivation function used to hash an item of type "Password". This property can be used for items of type "Password" defined in the data model editor or programmatically. Set the key derivation function used for hashing (only for "Password" items defined programmatically)....
REST web services: Importing an OpenAPI specification
REST web service APIs can be described using OpenAPl files......
The charts
To include charts in your applications or in your sites, WINDEV, WEBDEV and WINDEV Mobile include......
Enumeration and Combination items
WINDEV, WEBDEV and WINDEV Mobile propose the Enumeration and Combination types......