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 WINDEV, WEBDEV Y WINDEV MOBILE

Versión: 2025
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Resultados 101-125 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).
SQLPrevious( Función)
Establece la posición en la fila anterior del resultado de la consulta.
ExpandedImage (Property)
El ExpandedImage Property se utiliza para: averigua y modifica la imagen por defecto associated con un fila expandido en un control Tabla TreeView. averiguar y/o modificar la imagen por defecto associated con un fila expandido en un control TreeView. averigua y modifica la imagen associated con un fila específico expandido en un control Tabla TreeView. conocer y/o modificar la imagen de una fila expandida en un elemento jerárquico de un reporte de tipo "Tabla TreeView"....
RowDetailsBinding (Property)
El RowDetailsBinding Property permite identificar y modificar el enlace de datos utilizado para mostrar los detalles de un fila en un control Tabla de navegación.
xlsNbColumn (Función)
Returns the number of columns found in a worksheet of an XLS file.
ERR_CANNOT_OPEN_FILE
SQLLast( Función)
Establece la posición en la última fila del resultado de la consulta.
TableInfoXY (Función)
Vuelve para una posición dada en una Tabla o control Tabla TreeView (coordenadas de un punto control): el nombre de la columna mostrada para la posición especificada. el índice de la fila o columna para la posición especificada....
<Table>.InfoXY (Función)
Vuelve para una posición dada en una Tabla o control Tabla TreeView (coordenadas de un punto control): el nombre de la columna mostrada para la posición especificada. el índice de la fila o columna para la posición especificada....
PVTAxisXY (Función)
Permite: Especifique las cabeceras de fila y de columna visualizadas en un control Tabla dinámica. Descubra las cabeceras de columna y fila mostradas en un control Tabla dinámica....
<Tabla dinámica>.AxisXY (Función)
Permite: Especifique las cabeceras de fila y de columna visualizadas en un control Tabla dinámica. Descubra las cabeceras de columna y fila mostradas en un control Tabla dinámica....
Cumulated (Property)
El Acumulado Property se utiliza para determinar si el valor de una columna o fila en control Tabla dinámica corresponde a un total (total al final de un fila o columna).
CollapsedImage (Property)
El CollapsedImage Property se utiliza para: averiguar y/o modificar la imagen por defecto associated con un fila colapsado en un control Tabla TreeView. averiguar y/o modificar la imagen por defecto associated con un fila colapsado en un control TreeView. averiguar y/o modificar la imagen associated con un fila específico colapsado en un control Tabla TreeView. conocer y/o modificar la imagen de una fila contraída en un elemento jerárquico de un reporte de tipo "Tabla TreeView"....
ERR_BAD_FILE
rssSave( Función)
Builds the RSS stream and saves the RSS stream in an XML file.
LooperInsertLine (Función)
Inserta una fila en una control Looper.
LooperDelete (Función)
Borra una fila de una control Looper.
LooperInsert (Función)
Inserta una fila en una control Looper.
<Looper>.SelectPlus (Función)
Selecciona un fila en un control Looper.
<Looper>.SelectMinus (Función)
Deselecciona una fila en una control Looper.
<Looper>.Delete (Función)
Borra una fila de una control Looper.
LooperSelectPlus (Función)
Selecciona un fila en un control Looper.
LooperSelectMinus (Función)
Deselecciona una fila en una control Looper.
<Looper>.Insert (Función)
Inserta una fila en una control Looper.
<Looper>.InsertLine (Función)
Inserta una fila en una control Looper.
SQLFetch( Función)
Va al siguiente fila (es decir, al siguiente Record) del resultado de la consulta.
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