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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...
Report based on a TreeView Table control
You can use a report based on a TreeView Table control to directly print the information displayed in a TreeView Table control found......
HReconnect (Function)
Performs a reconnection to the server for all the interrupted connections. The uninterrupted connections are not modified.
Installing 64-bit WINDEV, WEBDEV or WINDEV Mobile
This chapter presents the configuration required to install WINDEV, WEBDEV or WINDEV Mobile in 64-bit mode......
HFSQL Control Center: Overview
The HFSQL Control Center allows you to manage the different HFSQL databases (Network, Mobile, Client/Server) of an organization......
Image (Property)
The Image property gets and sets the background image of a control or block.
The Sidebar control
The Sidebar control gives access to different options......
The Static control
A Static control is a control used to display a static text......
IWListDeleteAll (Function)
Deletes all the internal windows from the list of internal windows browsed by an Internal Window control.
State (Property)
The State property gets and sets the state of an element.
Reuse code via external components
WINDEV Tutorial: External components Reusing code with external components - 40 min
Report based on an HFSQL view
A report based on an HFSQL view is used to print records from an HFSQL Classic or Client/Server view......
ExtendedInfo (Property)
The ExtendedInfo property is used to get additional information: about a data file accessed by a Native Connector or HFSQL Client/Server. about an item accessed by a Native Connector or HFSQL Client/Server. about a connection. In this case, this property is equivalent to CtExtendedInfo....
HRestorePosition (Function)
Restores the previously saved context of a file (function HSavePosition): record in progress, filter, playback pointers.
CurrentTitle (Function)
Modifies the title of the current window (returned by CurrentWin) and the title bar.
11. Controls in practice
Discover the main characteristics of the controls...
PhysicalName (Property)
The PhysicalName property is used to manage the physical name of HFSQL data files.
DescribedPhysicalName (Property)
The DescribedPhysicalName property is used to manage the physical name of HFSQL data files.