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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Report based on an SQL query with data accessed via a connection (ODBC, etc.)
A report based on an SQL query with data accessed via a connection can print records from a database accessible via a specific ODBC driver or via a Native Connector...
How to create and run an SQL query through programming?
This help page explains how to create and run an SQL query through programming.
Overloading a WLanguage function or using a WLanguage function in an SQL query
WLanguage includes the "WL" keyword...
Creating a query in SQL code
The query editor allows you to create a query by typing SQL code...
HSuggestKeyEnd (Function)
Finishes collecting information on executed queries.
<Source>.ExecuteSQLQueryAsynchronous (Function)
Executes an SQL query asynchronously.
HRetrieveItem (Function)
Returns the content of an item found in the current record (in the data file, view, query, ...).
HListKey (Function)
Returns the list of keys found in a file (query or view) recognized by the HFSQL engine.
HModify (Function)
Modifies the specified record or the record found in memory in the data file (query or view).
Alias type
The Alias type is used to declare and handle a logical alias for a data file or query.
Serialize (Function)
Transforms the following elements into a specific format: a structure (and its subelements), a class (and its subelements), an array (including the associative arrays), a queue, a stack, a list....
NULL values in HFSQL
WINDEV, WEBDEV and WINDEV Mobile allow you to manage the NULL value in the items of HFSQL data files and for all the other types of accesses (Native, OLE DB, ......
Looper control linked to a data file
A Looper control can be used to display the content of a data file or query......
<Source>.RecordToString (Function)
Converts the content of the current record to string (in a data file, HFSQL view, query, etc.).
HRecordToString (Function)
Converts the content of the current record to string (in a data file, HFSQL view, query, etc.).
InitialFile (Property)
The InitialFile property is used to get the original name of the data file associated to an item in a query.
FileToMemoryList (Function)
Populates a List Box or Combo Box control programmatically with the records from a data file or query.
HExportJSONString (Function)
Exports the records from a data file (HFSQL or OLE DB), view or query to a JSON string.
<HFSQL file>.ExportJSONString (Function)
Exports the records from a data file (HFSQL or OLE DB), view or query to a JSON string.
<Source>.ExportCSV (Function)
Exports the records found in a data file (HFSQL or OLE DB), a view or a query to a CSV file.
H.NbRecModificationQuery
Used to find out the number of records added, modified or deleted when running the last query of the current context.
HExportJSON (Function)
Exports the records found in a data file (HFSQL or OLE DB), view or query to a JSON file.
HExportXLS (Function)
Exports records from a data file (HFSQL or OLE DB), view or query to an Excel file (XLSX).
HExportCSV (Function)
Exports the records found in a data file (HFSQL or OLE DB), a view or a query to a CSV file.
<Source>.Version (Function)
Used to find out: whether the content of a file was modified. whether the content of a file used by a query was modified....
Query: Displaying the records corresponding to a given period
When a "Date" item is found in the query, you have the ability to only select the records corresponding to a given period......
<Source>.ExportJSON (Function)
Exports the records found in a data file (HFSQL or OLE DB), view or query to a JSON file.
<Source>.ExportXLS (Function)
Exports records from a data file (HFSQL or OLE DB), view or query to an Excel file (XLSX).
HFSQL properties
List of HFSQL properties...
InitialItem (Property)
InitialItem is used to find out the initial name of an item found in a query. This name is known from the alias of this item.
HVersion (Function)
Used to find out: whether the content of a file was modified. whether the content of a file used by a query was modified....