ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Environment of the query editor
When creating a class in the code editor, the Constructor and Destructor methods are automatically created by default...
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...
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...
Select query description window
The description window of a select query includes several sections...
HSuggestKeyStart (Function)
Starts collecting information on executed queries.
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...
Special paste
The Special paste command is used to explicitly choose the format in which the clipboard content will be pasted in the window editor......
Using the UI modification when running a project or window test
End users can directly modify the interface of the application (according to the options specified by the developer).......
HFSQL Client/Server: Setting up tables on the server
Specifies the useful size of an internal window with automatic scrollbars. The useful size corresponds to the full size of the internal window: Width of the internal window. Height of the internal window....
Synchronizing the database schema with external databases
The database schema must be synchronized with an external database if it uses......
The Looper control
A Looper control is used to repeat the controls found in a specific area......
Selecting the keywords associated with a page
The keyword selection window allows you to select the keywords to be associated with a help page......
Analysis: Describing data files
The analysis is used to define the structure of data files used by the project......
Server triggers
Server triggers are stored procedures executed by the server before or after a write operation performed on a database file......
WDSQL: Creating and running a script
A script is a set of SQL commands used to perform a specific operation (create a new table in the database, insert records, ......
Managing the Windows scheduler
Windows gives you the ability to schedule automatic tasks via the manager of scheduled tasks......
WDSQL: Database structure
WDSQL is used to find out the structure of the accessed database......
WDSQL: Connecting to a database
The first operation to perform in order to use WDSQL is to establish the connection to a database......
ControlCurrent (Function)
Returns the name of the control currently in edit.
AssistedInputOpen (Function)
Opens the list of suggestions of an Edit control.
Screen,Next (External language)
Returns the name of the next editable control.
Dynamic audit
The dynamic audit of an application analyzes its runtime performance......
Handling an internal component
An internal component is a set of elements from a project......
Creating a Responsive Web Design page
Websites can be viewed on several platforms......
Custom context menu
Custom context menus are created in the window editor and can be handled programmatically......
23. Print modes
Display the code of an element
WINDEV, WEBDEV and WINDEV Mobile allow the use of event-driven and object-oriented programming......