ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Creating a delete query
A delete query (corresponding SQL statement...
Creating a query
Two methods can be used to create a query...
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file...
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...
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...
Select query description window
The description window of a select query includes several sections...
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
Selection conditions of a query
The selection conditions of records are applied to the items used in the queries...
Test of a query
The query editor allows you to run the test of query result...
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a 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 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...
Items used in a select query
A query created in the query editor can contain several types of items...
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.
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
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...
Example for creating a select query
This help page explains how to create two select queries...
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...
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...
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, ...
Creating a select query
A select query (corresponding SQL statement...
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
Environment of the query editor
When creating a class in the code editor, the Constructor and Destructor methods are automatically created by default...
CodeEditorSave (Function)
Saves the contents of a Code Editor control to a file.
HTMLEditorExecuteJS (Function)
Executes JavaScript code in an HTML Editor control.
<HTML editor>.Select (Function)
Selects a text fragment in an HTML Editor control.
HTMLEditorSelect (Function)
Selects a text fragment in an HTML Editor control.
<HTML editor>.ExecuteJS (Function)
Executes JavaScript code in an HTML Editor control.
<Image editor>.Close (Function)
Closes the image found in an Image Editor control.
PicClose (Function)
Closes the image found in an Image Editor control.
<Code Editor>.DuplicateLine (Function)
Duplicates the current line in the Code Editor control.
Table field linked to a table (Table file)
A data-bound Table control linked to a table is a field whose columns are linked to fields in a table or query (data source)......
jQueryExecute (Function)
Runs a JavaScript method of the jQuery library on a page element.
Showing or hiding empty events or processes of an element
All WLanguage code is written in the code editor, which offers several events on a given control ......
<Source>.CancelDeclaration (Function)
Allows you to: Delete a declaration made previously using HDeclare, HDeclareExternal, HDescriveFile. After this operation, the table is no longer recognized by the HFSQL engine. Free the resources of a query (after calling HExecuteQuery or HExecuteSQLQuery)....
HCancelDeclaration (Function)
Allows you to: Delete a declaration made previously using HDeclare, HDeclareExternal, HDescriveFile. After this operation, the table is no longer recognized by the HFSQL engine. Free the resources of a query (after calling HExecuteQuery or HExecuteSQLQuery)....
Binding an OLE control to an item
An OLE control can be bound to an item in a table, query, etc....
OpenDocument (Function)
Opens a document in a new modeless window using the appropriate WINDEV editor. Starting with WINDEV Suite 2025 - Update 2 (subscription version), diagrams are opened using the diagram editor....
Diagram Editor (WINDEV): ribbon and panels
The Diagram Editor includes many features accessible via......
WDMap: Viewing the records found in a data file
WDMap is used to view the records found in a data file......
Web Camera control events
The following events appear by default in the WEBDEV code editor:
HTML Editor control constants
Used to find out whether the application is started in "simulator test mode" from WINDEV Mobile....
ReplicInitialize (Function)
Initializes or reinitializes a replication defined by the replication editor (ReplicEdit).