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Version: 2026

FilterCondition (Property)
The FilterCondition property gets the selection condition set by HFilter on a data file, HFSQL view or query.
<Source>.Filter (Function)
Defines and enables a filter on a data file, view or query.
<Source>.DeactivateFilter (Function)
Temporarily disables the filter on a data file (view or query).
FilterWithBounds (Property)
The FilterWithBounds property is used to determine if bounds have been specified for the filter implemented by HFilter on an HFSQL data file, view or query.
FilteredItem (Property)
The FilteredItem property is used to identify the item that has a filter implemented by HFilter.
HFilter (Function)
Defines and enables a filter on a data file, view or query.
HDeactivateFilter (Function)
Temporarily disables the filter on a data file (view or query).
Filtering a data file, a view or a query
A filter is used to define programmatically a selection of records corresponding to one or more criteria...
WDOptimizer: Optimizing indices
WDOptimizer includes multiple modes to optimize indices......
WDOptimizer: Overview
The different operations that can be performed with WDOptimizer are as follows......
Native MySQL Connector: Programming with HFSQL functions
To use a MySQL database with the Native Connector (or Native Access), import the structure of MySQL tables into the WINDEV or WEBDEV analysis......
Native Sybase Connector: Programming with HFSQL functions
To use a Sybase database with Native Connector, the structure of Sybase tables must be imported into the WINDEV or WEBDEV analysis......
Native Informix Connector: Programming with HFSQL functions
To use an Informix database with the Native Connector, import the structure of Informix tables into the WINDEV or WEBDEV analysis......
Native SQL Server Connector: Programming with HFSQL functions
To use an SQL Server database with Native Connector, the structure of SQL Server tables must be imported into the data model analysis......
SQLite: Programming with HFSQL functions
To use an SQLite database with Native Connector (also called Native Access), the structure of SQLite tables must be imported into the data model editor....
Native Oracle Connector: Programming with HFSQL functions
To use an Oracle database with the Native Connector, the structure of ORACLE tables must be imported into the WINDEV or WEBDEV analysis......
Native DB2 Connector: Programming with HFSQL functions
To use a DB2 database with Native Connector, the structure of DB2 tables must be imported into the WINDEV or WEBDEV analysis......
Native MariaDB Connector: Programming with HFSQL functions
To use a MariaDB database with Native Connector, the structure of MariaDB tables must be imported into the WINDEV or WEBDEV analysis......
Native Progress Connector: Programming with HFSQL functions
To use a Progress database with the Native Connector, you must ......
Native PostgreSQL Connector: Programming with HFSQL functions
To use a PostgreSQL database with Native Connector (also called Native Access), the structure of PostgreSQL tables must be imported into the WINDEV or WEBDEV analysis......
Compound statements
HFilterStartsWith (Function)
Defines and enables a "Start with" filter on a file, view or query.
HFilterIncludedBetween (Function)
Defines and enables an "Included between" filter on a file, view or query.
HFilterIdentical (Function)
Defines and enables a filter used to find the exact value of a string item.
Handling data files in PHP
WEBDEV allows you to create a PHP site that handles data files......
Native MySQL Connector: Programming with SQL functions
The SQL functions can be used to handle the MySQL database......
How to create an SQL query to filter records?
This help page explains how to create an SQL query to filter records....
<Source>.DeactivateAutoFilter (Function)
Disables an automatic filter on the linked files when browsing an XML file.
HDeactivateAutoFilter (Function)
Disables an automatic filter on the linked files when browsing an XML file.
How to loop through a file using filters?
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