ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

How to create and run an SQL query through programming?
This help page explains how to create and run an SQL query through programming.
Overloading a WLanguage function or using a WLanguage function in an SQL query
WLanguage includes the "WL" keyword...
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...
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
HExecuteSQLQueryAsynchronous (Function)
Executes an SQL query asynchronously.
HExecuteSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the HFSQL engine.
<Source>.ExecuteSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the HFSQL engine.
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.
HSuggestKeyStart (Function)
Starts collecting information on executed queries.
Errors while managing tables
When an HFSQL function fails (returns False for example), the corresponding error number is returned by HError......
BrowsedFile (Property)
The BrowsedFile property gets and sets the data source used to display records in data-bound controls.
iSequencingAdd (Function)
Adds a report into a sequence of report prints.
HClose (Function)
Closes either a table or all tables opened by the current user: all corresponding physical tables are closed for the current user.
StoredItem (Property)
The StoredItem property is used to: Find out the stored item or the stored variable of a Table, Looper, List Box or Combo Box control. Modify the stored item or the stored variable of a Table, Looper, List Box or Combo Box control....
HReadNext (Function)
Sets the position on the next table record according to a browse item.
Creating and distributing Active WEBDEV Pages
To transform a page in Session mode into an Active WEBDEV Page:...
Specific features of the Express version
Item Description (Variable type)
An Item Description variable is used to describe one or more items in a table programmatically.
ThreadSendSignal (Function)
The current thread sends a signal to the specified thread in order to unlock it.
RETURN statement
The RETURN statement is used to exit the current event, process or procedure and return a result...
Referring to an element in a WLanguage event / process
Using ODBC on HFSQL Classic via JDBC
The ODBC driver on HFSQL Classic is used to access a HFSQL Classic database from an external database software that supports ODBC accesses......
WDReplic: Overview
WDReplic is a tool used to manage the replication of data between several computers that use the same application......
PostMessage (Function)
Sends a Windows message to a control or to a window.
Manipulating Wire controls programmatically
WINDEV allows you to programmatically manipulate Wire controls......