ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

HListConnection (Function)
Returns the list of connections currently described in the application:
  • connections described in the data model editor (for the main analysis and, if necessary, additional analyses).
  • connections described by programming (with functions HDescribeConnection or HOpenConnection).
<Source>.ChangeConnection (Function)
Dynamically changes the connection associated with a data file.
SQLConnect (Function)
Connects the current application to a database that must be interrogated via SQL.
SQLChangeConnection (Function)
Modifies the current connection.
HDescribeConnection (Function)
Describes a new connection to an external database.
<Connection variable>.OpenConnection (Function)
Opens a connection to a specific database.
HConnect (Function)
Redefines one or more connection parameters via Native Connector (Access, SQL Server, MySQL or Oracle) or via an OLE DB access on a specific table or set of tables.
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...
<Connection variable>.CloseConnection (Function)
Closes a connection to a database.
SQLConnectWS (Function)
Connects the current application to a database that will be queried by SQL through a web service proxy (SOAP).
HListFile (Function)
Returns the list of files:
  • current analysis.
  • analyses in progress (projects with multiple analyses).
  • a specific analysis recognized by the HFSQL engine.
  • available on a connection via a Native Connector or an OLE DB driver.
  • for a group of files defined in the data model editor.
HOpenConnection (Function)
Opens a connection to a specific database.
HChangeConnection (Function)
Dynamically changes the connection associated with a data file.
nWDGetLastError: Error code of last error
Error code of last error......
nWDInitProject: Initialization code of project
Run the initialization code of project......
nWDOpenWDL: Opening a library
Opens a library created by WINDEV (file with a WDL extension)......
nWDSetCallbackNext
Set the "callback" called when using the WDKEY and RETURNWDKEY keywords for the next window to open (in C, Pascal and Visual Basic only)......
pszWDGetLastError: Message of last error
Retrieves the message corresponding to the last error that occurred......
nWDGetHFContext: Get the HFSQL context
Gets the HFSQL context (applies to C, Pascal and Visual Basic only)......
WDContinueError: Resume on error
This function forces the execution to resume after an error......
wWDGetReturnValueType
Type of the return value of the last nWDExecute, nWDExecuteEx or nWDEvalue statement]......
HDBSortType (Function)
Returns or modifies the sequence of text items in the xBase files.
HListScheduling (Function)
Lists the scheduled tasks defined on an HFSQL server: stored procedure, backup, optimization, refresh of materialized view....
HStartServerUpdate (Function)
Used to immediately start the automatic server update.
HDeleteParameter (Function)
Deletes a parameter previously saved by HSaveParameter.
HActivateServerTrigger (Function)
Re-enables a server trigger that was disabled by HDeactivateServerTrigger.
HDeactivateServerTrigger (Function)
Disables a HFSQL Client/Server server trigger on a server....
HRetrieveLog (Function)
Creates a text file containing the server logs between two given dates.
HManageServerUpdate (Function)
Used to manage the automatic update of HFSQL Client/Server servers by specifying the check frequency regarding the availability of updates....
HInfoView (Function)
Returns information about a materialized view.
HLoadParameter (Function)
Reads a parameter that was saved from a stored procedure by HSaveParameter.
HDisconnectClient (Function)
Displays a message on the Client computer(s) and disconnects the application.
HSendMessageToClient (Function)
Displays a message on the client computers.
MongoGridFSListFile (Function)
Retrieves the list of MongoDB files found in the MongoDB file system (gridFS).
fDirectoryExist (Function)
Checks the existence of a directory.
WDMap: Reindexing an HFSQL data file
WDMap is used to find out whether an HFSQL data file must be reindexed and reindex an HFSQL data file......
WDMap: Exporting records from a data file
WDMAP allows you to export records to......
HDBOpenNoLock (Function)
In single-user mode, opens an xBase data file without locking it.