ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

How to create a query with external join?
In SQL language, an external join is used to exclude or include file records with or without correspondences in the linked files......
fClose (Example)
Usage example of the fClose function
Managing the SNMP protocol
SNMP (Simple Network Management Protocol) is the standard protocol for managing the network devices......
Options for generating the HTML pages
The options for generating the HTML pages in a WEBDEV project can be defined......
Information 2104: This function is kept for backward compatibility
PageRateDDW (Function)
Allows you to find out and modify the rate of gray for the pages that use DDW (Dim disabled pages).
Error 507: The '++' operator is not allowed
<Document variable>.StartModification (Function)
Indicates the start of a series of actions performed on a Document variable in a single event ("undo/redo")....
<Document variable>.EndModification (Function)
Indicates the end of a series of actions performed in a Document variable in a single event ("undo/redo")....
DiagramStartModification (Function)
Indicates the start of a series of actions performed in a Diagram document in a single event ("undo/redo")....
DiagramEndModification (Function)
Indicates the end of a series of actions performed in a Diagram document in a single event ("undo/redo")....
WEBDEV 2024: New WLanguage features
In version 27, new functions, properties and data types have been introduced and some have been improved......
HTMLToRGB (Function)
Converts the HTML color into RGB color.
PersistedCalculatedItem (Property)
The PersistedCalculatedItem property is used to: Find out whether the value of a calculated item is stored in the data file. This item was defined in the data model editor or through programming. Define whether the value of a calculated item is stored in the data file (when describing the item through programming)....
Error 1006: The member is not global: use: to access it
Unnecessary confirmation dialogs? Use automatic validation
SQLFirst (Example)
Usage example of the SQLFirst function
SQLModify (Example)
Usage example of the SQLModify function
Retrieving the coordinates of a click in a clickable image
If the click action of the image is set to "Server call", you can get the click coordinates when the image is clicked in the browser......
HDeclare (Example)
Usage example of the HDeclare function
3. Server configuration
10. Embedded queries
Dedicated Web server
When installing WEBDEV development version, if no Web server is available on the current computer, WEBDEV automatically installs one (IIS Express version 10). This server is automatically configured to work with WEBDEV....
Operations in a Select query
The query editor allows you to perform operations on the values of an item......
Multi-database queries
A query (typed in SQL code) can operate on different databases......