ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Navigation map
The site map path is used to implement the structure and the sequence of pages in your site......
ERR_OUT_OF_MEMORY
Insufficient memory to perform the operation. ERR_OUT_OF_MEMORY (13)...
WDInst: configuring the characteristics of the files to install
WDInst allows you to configure the characteristics of the files to install......
Custom style sheet
When creating a project, a blank custom style sheet is created and associated with the current project......
Programming automatic calculations in the columns of a Table control
Multi-project search
Performing a search in the current project is a common operation......
Restoring an HFSQL Client/Server database
A backup of a HFSQL Client/Server database can be restored at any time......
Sub-query
A sub-query is a query whose result is used by another query......
DDE errors
When a DDE function fails (returns False for example), ErrorInfo allows you to find out the number of the corresponding error]......
Two methods for passing parameters to a query
Two methods can be used to pass parameters to a query with parameters used in a window or in a control (List Box, Combo Box or Table control for example)......
Background tasks
Continuing to run a process when the application is in background is very useful on mobile......
Modifying the query content
The queries are used to easily select the records coming from one or more files, matching one or more selection criteria, ......
HFSQL Control Center: Managing scheduled elements
You have the ability to define scheduled elements on the HFSQL server....
Managing bar codes
The use of bar codes to identify and manage products has become essential......
Check: Connectivity to the external databases (by ODBC)
The monitoring robot will attempt to connect to an external database (MySQL, SQL Server, ......
Check: HTTP connectivity
The monitoring robot will read the header and the content of a web page......
Installing WINDEV, WEBDEV or WINDEV Mobile
This page describes the configuration required to install WINDEV, WEBDEV or WINDEV Mobile, as well as the different installation steps......