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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

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...
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...
HSuggestKeyStart (Function)
Starts collecting information on executed queries.
Select query description window
The description window of a select query includes several sections...
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...
WEBDEV 2025: New WLanguage features
In version 2025, new functions, properties and data types have been introduced and some have been improved, ......
EventClose (Function)
Closes a synchronization event between several threads.
Height (Property)
The Height property gets and sets the height: of a control or block in a report. of a control (in a window), window, row of a Table, List Box or ListView control, option of a Radio Button or Check Box control, break header or footer of a Table or Looper control. of a control (in a page), break header or footer in a Table or Looper control. The control can be overlayable or not. of a break cell in a Table or Looper control....
7. Consuming a web service
WINDEV Mobile tutorial - Developing an Android and iOS application Lesson 7 - Consuming a web service - 10 min
ListCount (Function)
Returns the number of elements in a List Box, ListView or Combo Box control.
HRestorePosition (Function)
Restores the context of a previously saved file (HSavePosition): current record, filter, pointers.
11. Controls in practice
Discover the main characteristics of the controls...
Installing WINDEV, WEBDEV or WINDEV Mobile
This chapter presents the configuration required to install WINDEV, WEBDEV or WINDEV Mobile as well as the different steps of setup......
Translating the code
WINDEV, WEBDEV and WINDEV Mobile allow you to automatically translate your WLanguage code from English into French and vice versa......
Group (Property)
The Group property is used to: find out whether the control belongs to a group of controls. If the control belongs to one or more groups, the Group property can be used to identify these groups of controls. associate a control with a group of controls....
Printing the content of a table (AAF)
A Table control proposes an automatic popup menu allowing the user to perform several operations on the data displayed in the table......
Native SQL Server Connector: Specific features and remarks
The following paragraphs present the main aspects and specific features of the Native SQL Server Connector......
SQLExec (Example)
Usage example of the SQLExec function
FOR EACH/FOR ALL statement (loop through files)
The FOR EACH statement is used to run different types of HFSQL loops...
ODBC driver for HFSQL Classic and for HFSQL Client/Server (Windows)
The ODBC driver for HFSQL Classic (single-user or multi-user) is used to access an HFSQL Classic database from an external database software that supports the accesses by ODBC......
Adapting an application to support multiple languages
WINDEV Tutorial - Managing multiple languages Adapting an application to support multiple languages - 20 min
CurrentTitle (Function)
Modifies the title of the current window (returned by CurrentWin) and the title bar.
iPrintImage (Function)
Sends the image file to print to the print buffer.