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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...
Infinite Progress Bar control
Progress bars provide useful information to the end user......
Constants for managing Table, Treeview Table, Looper and List Box controls
List of constants used by the functions for managing Table, TreeView Table, Looper and List Box controls....
UI audit: Detect obsolete features
The lifecycle of some projects span several years......
The Bar Code control
The Bar Code control displays bar codes in your windows, pages or reports......
WEBDEV 2025 Update
Here are the new features and improvements that you will discover in this version......
Keywords (Property)
The Keywords property is used to get and modify the keywords associated with a page.
Record (Type of variable)
The Record type is used to save the values of a record.
Count (Property)
The Count property returns the number of elements in a given set.
HTTPRequest (Function)
Starts an HTTP request on a server.
FinPeriodInterest (Example)
Usage example of the FinPeriodInterest function
IWListInsert (Function)
Inserts a new internal window in the list of internal windows used by an Internal Window control.
ListInsert (Function)
Inserts an element into a List Box, ListView or Combo Box control populated programmatically.
HCreateMasterReplica (Function)
Creates the description file of a Master Replica (logged replication or universal replication).
7. Debugger
WINDEV Tutorial - WLanguage basics Lesson 7 - Debugger - 30 min
"Component.WDO" file
When generating the external component, two files are automatically created in the EXE directory of the current project......
HSetIntegrity (Function)
Enables or disables the management of an integrity constraint on a file link.
Events associated with a Dashboard control
WINDEV and WINDEV Mobile manage the following events by default (order of appearance in the code editor)...
Visibility of the elements found in an external component
When creating an external component, you have he ability to define the elements of the external component that will be accessible (or not) by the user of the component......