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Versión: 2025

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Resultados 2051-2075 de 4686 para data file
Creating an executable: Data file directory
Two types of directories can be configured when creating the executable...
How do I run through a data file?
Looper control linked to a data file
A Looper control can be used to display the content of a data file or query...
Generating a description of a data file from a window or from a page
When you design a quick prototype, you often create windows (or pages) without defining any data files...
Analysis: Description of data file structure
The analysis allows you to define the structure of data files used by the project...
HExportJSON (Función)
Exporta los registros de un archivo de datos (HFSQL u OLE DB), vista o consulta a un archivo JSON.
HListFullTextIndex (Function)
Returns the list of full-text indexes of a file (a query or a view) recognized by the HFSQL engine.
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.
<Source>.Watch (Function)
Trigger monitoring of write actions (add, modify or delete) performed on a data file present on an HFSQL server. In case of modification, a specific procedure can be triggered.
<Source>.ExportJSONString (Función)
Exporta los registros de un archivo de datos (HFSQL u OLE DB), vista o consulta a una cadena JSON.
HEndNoModif (Function)
Unlocks a file that was locked by the same program with HNoModif.
HDeactivateFilter (Function)
Temporarily disables the filter on a data file (view or query).
HDescribeFile (Función)
Describe un archivo de datos mediante programación.
fDataDir (Function)
Returns the full path of the directory of HFSQL data files specified by the user when installing the application.
<Source>.Reset (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.
HRecordToString (Function)
Converts the content of the current record to string (in a data file, HFSQL view, query, etc.).
HLast (Function)
Sets the position on the last record of a data file according to a browse item.
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.
HDescribeTrigger (Function)
Adds or modifies a trigger on an HFSQL data file.
HDeleteView (Function)
Deletes a previously created view. This function uses the former view mechanism.
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.
<Source>.DescribeTrigger (Function)
Adds or modifies a trigger on an HFSQL data file.
HGetCurrentPosition (Function)
Returns the approximate position of current record in the data file.
HRestorePosition (Function)
Restores the previously saved context of a file (function HSavePosition): record in progress, filter, playback pointers.
HListItem (Function)
Returns the list of items:
  • found in a data file ( a query or a view) known to the HFSQL engine. The data files defined by HDeclare, HDeclareExternal and HDescribeFile are taken into account.
  • found in a Record variable.
HWrite (Function)
Writes a record into a data file without updating the indexes corresponding to all keys used in the file.
Unalterable data files
This feature is used to signal that a data file cannot be modified after writing...
HSetPosition (Function)
Sets the position on a record, based on the approximate position of one of its items.
HReadPrevious (Function)
Sets the position on the previous record of a file according to a browse item.
HFilter (Function)
Defines and enables a filter on a data file, view or query.
<Source>.CheckUnaltered (Function)
Checks that one or all records in an unalterable data file have not been modified (e.g. with a hexadecimal editor).
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.
HDeactivateTrigger (Function)
Disables a trigger.
HListKey (Function)
Returns the list of keys in a data file (query or view) recognized by the HFSQL engine.
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.
Using Unicode in HFSQL data files
The analysis proposes two types of Unicode items...
HListSynonym (Function)
Returns the list of synonyms used by a full-text index.
Managing connections
WINDEV, WEBDEV and WINDEV Mobile propose different methods for describing a connection...
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, ...
HDescribeLink (Function)
Describes a link between two data files programmatically.
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.
HErrorPassword (Function)
After the execution of a read or write function in a data file, used to find out whether an error caused by a wrong password occurred on this data file.
<Source>.SavePosition (Function)
Stores the current context of a data file: current record, filter, read pointers.
<Source>.RestorePosition (Function)
Restores the previously saved context of a file (function HSavePosition): record in progress, filter, playback pointers.
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).
HExportJSONString (Función)
Exporta los registros de un archivo de datos (HFSQL u OLE DB), vista o consulta a una cadena JSON.
HReadNext (Function)
Sets the position on the next data file record according to a browse item.
<Source>.Open (Function)
Opens a data file.
HCheckUnaltered (Function)
Checks that one or all records in an unalterable data file have not been modified (e.g. with a hexadecimal editor).
HDelete (Function)
Deletes a record from a data file (query or view).
HDescribeFullTextIndex (Function)
Describes a full-text index of data file created programmatically.
<Source>.Previous (Function)
Sets the position on the previous record of the data file 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).
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.
HPrevious (Function)
Sets the position on the previous record of the data file according to a browse item.
<Source>.ListLink (Function)
Returns the list of links (Merise) in the current analysis or in a specific analysis.
HExportCSV (Function)
Exports the records found in a data file (HFSQL or OLE DB), a view or a query to a CSV file.
Zombie data files and items
During the life of an application, items live and die...
HDescribeItem (Function)
Describes a file item programmatically.
<Source>.DeactivateFilter (Function)
Temporarily disables the filter on a data file (view or query).
Application triggers
A trigger is a WLanguage procedure automatically called by the HFSQL engine whenever a modification is performed (addition, deletion, modification, ...) on a record of a data file.
HUnlockFile (Function)
Unlocks the records of a data file:
  • locked by HLockFile.
  • individually locked by a locking read function.
<Source>.RecordToString (Function)
Converts the content of the current record to string (in a data file, HFSQL view, query, etc.).
HNoModif (Function)
Forbids all the modifications on a data file (for all the programs, including the one that requested the no-modification policy).
HListLink (Function)
Returns the list of data file bindings (Merise type) present:
  • in the current analysis,
  • in ongoing analyses (projects with multiple analyses).
  • in a specific analysis.
HWatch (Function)
Trigger monitoring of write actions (add, modify or delete) performed on a data file present on an HFSQL server. In case of modification, a specific procedure can be triggered.
HCreateView (Function)
Creates an HFSQL view.
This function uses the former view mechanism.
HReadLast (Function)
Sets the position on the last record of a data file according to a browse item.
HOpen (Function)
Opens a data file.
HRead (Function)
Reads a record in a file according to a given record number.
HRetrieveRecord (Function)
Returns the content of the current record (in a file, a view or a query, ...).
HSavePosition (Function)
Stores the current file context (current record, filter, pointers).
Servicios REST: Prólogo Procedure (ejecutado antes de cada llamada)
Ahora es posible especificar en la description de un Webservice que un Procedure debe ser llamado (y ejecutado automáticamente) cada vez que un Webservice es llamado......
Cita previa (función)
Añade una nueva Appointment a una control Planificador.
Funciones de control Mapa
Funciones de control Mapa...
OrganizadorAñadir Cita (Función)
Añade una nueva Appointment a una control Agenda.
Exporte los datos a Excel
Exporte los datos a Word
Actualizando los datos de la página
En un sitio dinámico de WEBDEV, los datos de la página se actualizan durante una acción del usuario......
Propiedades del control Mapa
Las siguientes propiedades se pueden utilizar con los controles Mapa:...
Gestión de los usuarios de una aplicación instalada en red
La gestión de usuarios permite conocer desde el servidor.......
Las cartas "Radar
La carta Radar se utiliza para resaltar una serie de acuerdo a otra.......
<Fuente>.CreationIfNotFound (Función)
Realiza las siguientes operaciones: Si el archivo no existe, crea un archivo de datos vacío (archivo de extensión ".FIC") con el archivo de índice y el archivo memo, si es necesario. La función equivale a HCreation. Si el archivo existe, abre el archivo....
Eventos associated con informes
Los siguientes eventos son associated a los informes (orden de aparición en el editor de código)......
La control Mapa del sitio
El control Mapa del sitio permite al usuario Web.......
administración de XML: Ejemplo de uso
Este ejemplo de aplicación gestiona un archivo XML llamado "Orders.......
Groupware de usuario y archivos de datos Cliente/Servidor
Una aplicación que usa el groupware usuario puede ser usada con una base de datos HyperFileSQL en modo Cliente/Servidor......
Crear un RAD pattern
A partir de la versión 12, ha aparecido una nueva tecnología RAD.......
control Hoja de cálculo en una ventana
La hoja de cálculo es una de las herramientas de negocio más utilizadas. El control Hoja de cálculo se utiliza para incluir una hoja de cálculo en sus ventanas WINDEV.....
SCM: Gestión de sucursales
La gestión de sucursales se utiliza para gestionar varias versiones de la misma aplicación en paralelo.......
HFree (Función)
Transforma los registros tachados (HCross) en registros eliminados.
Volver a compilar el proyecto
La compilación del proyecto es un Process utilizado......
Gestión del balanceo de carga (balanceo de carga dinámico en el servidor)
El servidor que aloja un motor de base de datos HFSQL puede estar muy ocupado.......
Administrador remoto de WEBDEV: Gestión de las conexiones
La herramienta de gestión remota se utiliza para gestionar las conexiones a los sitios WEBDEV dinámicos....
Disparadores de servidor
Los triggers del servidor son procedimientos almacenados ejecutados por el servidor antes o después de una operación de escritura realizada en un archivo de base de datos.......
Enlazar un control Código de barras a un campo
Un control Código de barras puede estar enlazado a un campo de un archivo de datos, consulta, etc....
Galería Image control Looper
La "Galería de imágenes" control Looper permite gestionar la visualización de un set de Image s sin necesidad de programar......