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Version: 2026

Report based on an SQL query with data accessed via a connection (ODBC, etc.)
A report based on an SQL query with data accessed via a connection can print records from a database accessible via a specific ODBC driver or via a Native Connector...
Overloading a WLanguage function or using a WLanguage function in an SQL query
WLanguage includes the "WL" keyword...
How to create and run an SQL query through programming?
This help page explains how to create and run an SQL query through programming.
HSuggestKeyEnd (Function)
Finishes collecting information on executed queries.
Creating a query in SQL code
The query editor allows you to create a query by typing SQL code...
SQL functions for accessing the external databases
List of SQL functions used to access the external databases
HExecuteSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the HFSQL engine.
HExecuteSQLQueryAsynchronous (Function)
Executes an SQL query asynchronously.
HSuggestKeyStart (Function)
Starts collecting information on executed queries.
Cross-database queries
An SQL query can operate on different databases...
HSuggestKey (Function)
Returns a list of keys to add to tables to improve query performance.
<Source>.ExecuteSQLQueryAsynchronous (Function)
Executes an SQL query asynchronously.
<Source>.ExecuteSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the HFSQL engine.
SchedulerDisplay (Function)
Reinitializes the content of a Scheduler control from its data source (HFSQL table, for example).
ReplicEdit: Replication editor
ReplicEdit is a tool used to define the characteristics of a replication......
Clickable control in a report
The report editor allows you to propose clickable controls during the print preview......
ReplicSynchro: Use
Server (Property)
The Server property is used to manage the data source of a connection (HFSQL Client/Server, OLE DB, etc.)....
TimelineDisplay (Function)
Reinitializes the content of a TimeLine control from its data source (HFSQL data file for example).
OrgDisplay (Function)
Reinitializes the content of an Organization Chart control from its data source (HFSQL data file for example).
Errors while managing data files
When an HFSQL function fails (returns False for example), the corresponding error number is returned by HError......
Sequence of events associated with reports
Several operations are performed when printing a report. These operations are performed in the following order......
MinValue (Property)
The MinValue property is used to: get and set the bottom value of a report based on a table. get the minimum value of the current filter. get the minimum value of a data series in a chart. get and set the minimum value for some types of controls....
Native Access Connector
This type of Native Connector allows access to ACCESS databases for better interoperability purposes......
MySQL Native Connector: Special features
The Native MySQL Connector (also called "Native MySQL Access") creates "InnoDB" tables to support locks and transactions on a MySQL database......
MariaDB Native Connector: Special features
The Native MariaDB Connector creates "InnoDB" tables to support locks and transactions on a MariaDB database......
MaxValue (Property)
The MaxValue property is used to: get and set the top value of a report based on a table. get the maximum value of the current filter. get the maximum value of a data series in a chart. get and set the maximum value for some types of controls....
"?" menu
WINDEV proposes a help menu adapted to your applications......
Changing the window content with a swipe gesture
The mobile devices propose several features available via finger movements......
OrganizerDisplay (Function)
Reinitializes the content of an Organizer control from its data source (HFSQL data file for example).
sfExecuteQueryResult (Type of variable)
The sfExecuteQueryResult type is used to find out the result of SFForwardQuery and SFExecuteQuery...
Linking a Combo Box control to a data file
A List Box or Combo Box control can be used to display the content of a data file, to allow a user to select a record, for example......