ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

NULL values in HFSQL
WINDEV, WEBDEV and WINDEV Mobile allow you to manage the NULL value in the items of the HFSQL data files and for all the other types of accesses (Native, OLE DB, ......
WDMap: Overview
WDMap is a tool used to view and handle a table while developing an application......
Query based on query
Queries can be based on items from another query......
Optional connection information
When defining the connections in the data model editor or when defining the connections through programming, you have the ability to specifier the optional connection information......
WDSQL: Connecting to a database
The first operation to perform in order to use WDSQL is to establish the connection to a database......
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, ......
Events associated with OLE controls
List of events associated with OLE controls...
Examples for using the OLE DB provider for HFSQL
Natif Informix Connector for WINDEV and WEBDEV
WINDEV and WEBDEV propose an optional Native Connector to Informix (also called Native Access......
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, ......
OLE DB driver for HFSQL Classic and HFSQL Client/Server - License agreement
WDConver : Overview
WDConver is a tool used to convert data to an HFSQL Classic data file from......
GetActiveObject (Function)
Allows to use an Automation object already started on the current computer.
OLEPlay (Function)
Used to: retrieve the list of available operations (other than edit) from a server, perform an operation....
Application triggers
...A trigger is a WLanguage procedure automatically called by the HFSQL engine whenever a modification is performed (addition, deletion, modification, ...) on a record of a data file....
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