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Versión: 2025

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Resultados 3126-3150 de 4665 para data file
Creating an executable: Data file directory
Two types of directories can be configured when creating the executable...
Analysis: description data file structure
The analysis is used to define the structure of data files used by the project...
HReadPrevious (Function)
Sets the position on the previous record of a file according to a browse item.
HPrevious (Function)
Sets the position on the previous record of the data file according to a browse item.
HReadLast (Function)
Sets the position on the last record of a data file according to a browse item.
HClose (Function)
Closes either a data file or all data files opened by the current user: all corresponding physical data files are closed for the current user.
HListFile (Function)
Returns the list of files:
  • analysis in progress.
  • of analyses in progress (case of projects with multiple analyses).
  • specific analysis recognized by the HFSQL engine.
  • available for connection via a Native Connector or an OLE DB driver.
  • for a group of files defined in the data model editor.
HEndNoModif (Function)
Unlocks a file that was locked by the same program with HNoModif.
Unalterable data files
This feature is used to signal that a data file cannot be modified after writing...
HDescribeItem (Function)
Describes a file item programmatically.
HUnlockRecNum (Function)
Unlocks a record locked by:
  • HLockRecNum,
  • a read function used with a locking parameter (HRead associated with the hLockWrite or hLockReadWrite constant for example).
HRead (Function)
Reads a record in a file according to a given record number.
HRecordToString (Función)
Convierte el contenido de la Record actual en cadena (en un archivo de datos, vista HFSQL, consulta, etc.).
HFilter (Function)
Defines and enables a filter on a data file, view or query.
HDelete (Function)
Deletes a record from a data file (query or view).
HExportJSON (Function)
Exports the records found in a data file (HFSQL or OLE DB), view or query to a JSON file.
HListLink (Function)
Returns the list of data file bindings (Merise type) present:
  • in the current analysis,
  • Versiones 2024 y posteriores
    in ongoing analyses (case of projects with multiple analyses).
    New in SaaS
    in ongoing analyses (case of projects with multiple analyses).
    Novedad versión 2024
    in ongoing analyses (case of projects with multiple analyses).
    in ongoing analyses (case of projects with multiple analyses).
  • in a specific analysis.
HDescribeTrigger (Function)
Adds or modifies a trigger on an HFSQL data file.
HRestorePosition (Function)
Restores the previously saved context of a file (function HSavePosition): recording in progress, filter, playback pointers.
HFound (Function)
Checks whether the current record corresponds to the current filter or search.
HFirst (Function)
Sets the position on the first record of a data file according to the specified browse item.
HWrite (Function)
Writes a record into a data file without updating the indexes corresponding to all keys used in the file.
fDataDir (Function)
Returns the full path of the directory of HFSQL data files specified by the user when installing the application.
HReadNext (Function)
Sets the position on the next data file record according to a browse item.
HExportXLS (Function)
Exports records from a data file (HFSQL or OLE DB), view or query to an Excel file (XLSX).
HDeleteView (Function)
Deletes a previously created view. This function uses the former view mechanism.
HReset (Function)
Initializes:
  • one or all variables of file items with their default values.
  • one or all items of a Record variable with their default values.
HRetrieveRecord (Function)
Returns the content of the current record (in a file, a view or a query, ...).
HGetCurrentPosition (Function)
Returns the approximate position of current record in the data file.
HErrorLock (Function)
Used to check whether a lock error occurred.
HDeleteAll (Function)
Deletes all records from a data file, an HFSQL view or a query.
<Source>.DescribeTrigger (Function)
Adds or modifies a trigger on an HFSQL data file.
HSavePosition (Function)
Stores the current file context (current record, filter, pointers).
HDeactivateFilter (Function)
Temporarily disables the filter on a data file (view or query).
HOut (Function)
Used to find out whether the record on which you want to be positioned is located outside the data file, filter, view or query.
HListFullTextIndex (Function)
Returns the list of full-text indexes of a file (a query or a view) recognized by the HFSQL engine.
Managing connections
WINDEV, WEBDEV and WINDEV Mobile propose different methods for describing a connection...
HUnlockFile (Function)
Unlocks the records of a data file:
  • locked by HLockFile.
  • individually locked by a locking read function.
HOpen (Function)
Opens a data file.
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, ...
HListItem (Función)
Devuelve la lista de artículos:
  • encontrada en un fichero de datos ( una consulta o una vista) conocido por el motor HFSQL. Los archivos de datos definidos por las funciones HDeclare, HDeclareExternal y HDescribeFile se tienen en cuenta.
  • encontrado en una variable Record.
Desencadenantes de la aplicación
Un trigger es un procedimiento WLanguage llamado automáticamente por el motor HFSQL cada vez que se realiza una modificación (adición, eliminación, modificación, ...) en un registro de un archivo de datos.
HDescribeLink (Function)
Describes a link between two data files programmatically.
HCreateView (Función)
Crea una vista HFSQL.
Esta función utiliza el anterior mecanismo de vistas.
Unicode management in HFSQL files
The analysis proposes two types of Unicode items...
HLast (Function)
Sets the position on the last record of a data file according to a browse item.
HDescribeFullTextIndex (Function)
Describes a full-text index of data file created programmatically.
HSetPosition (Function)
Sets the position on a record, based on the approximate position of one of its items.
HListKey (Function)
Returns the list of keys in a data file (query or view) recognized by the HFSQL engine.
HListStopWord (Function)
Returns the list of stop words used by a full-text index.
HNoModif (Function)
Forbids all the modifications on a data file (for all the programs, including the one that requested the no-modification policy).
HListREP (Function)
Returns the list of assignments for the data files handled by the current application, which means the list of physical files corresponding to the files described in the analysis.
HExportXML (Function)
Exports the records found in a data file (HFSQL or OLE DB), view or query to an XML file.
HExportCSV (Function)
Exports the records found in a data file (HFSQL or OLE DB), a view or a query to a CSV file.
FinNetCurrentVal( Función)
Devuelve el valor actual neto de la inversión.
Descripción del control Flexbox: Pestaña Detalles
La pestaña "Detalles" de la ventana de descripción del control Flexbox permite definir el comportamiento del control cuando el navegador cambia de tamaño horizontal o verticalmente......
Características de las columnas de una control Tabla en una ventana
Las columnas se utilizan para mostrar información en un control Tabla.......
HListAnalysis( Función)
Returns the list of WINDEV or WEBDEV analyses (in HFSQL Classic format) available in a given directory.
SysThumbnailDeleteButton( Función)
Elimina uno de los botones que se encuentran en la miniatura de la aplicación de la barra de tareas.
HCreateView (Example)
Usage example of the HCreateView function
XMLOpenReader (Example)
Usage example of XMLOpenReader
TablaAñadirColumna (Función)
Añade elementos a la derecha de una control Tabla horizontal.
DnDGetData (Example)
Usage example of the DnDGetData function
fSizeUncompressed (Example)
Usage example of the fSizeUncompressed function
Constantes para la gestión de los controles de la tabla pivotante
Las funciones que gestionan los controles de la tabla dinámica utilizan las siguientes constantes...
UploadDelete (Función)
Elimina un archivo de la lista de archivos a cargar: el archivo no se cargará en el servidor.
UploadDeleteAll (Función)
Borra la lista de archivos a cargar: no se cargará ningún archivo en el servidor.
UploadFileSize (Función)
Devuelve el tamaño total (en bytes) de un archivo encontrado en una control Upload.
xlsVersion (Example)
Usage example of the xlsVersion function
dpDriveConnect (Función)
Creer un drive avec une connexion valide a l'API DropBox...
<TreeView Table>.ChildCount (Función)
Devuelve el número de hijos directos de un elemento de una control Tabla TreeView.
xlsDocument (Example)
Usage example of the xlsDocument type
xlsDocument (Tipo de Variable)
Una variable de tipo xlsDocument permite describir y modificar un documento Excel...
controles Tabla en modo "Servidor + AJAX
La controles Tabla puede ser 100% AJAX......
HError (Example)
Usage example of the HError function
FTPDeleteFile (Example)
Usage example of the FTPDeleteFile function
fTempFile (Example)
Usage example of the fTempFile function
NetSendFile (Example)
Usage example of the NetSendFile function