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Version: 2026

<JSON variable>.ToXML (Function)
Converts a JSON string to XML.
<JSON variable>.ToString (Function)
Converts the content of a JSON variable to a JSON string.
JSON: Handling large (multi-gigabyte) files
Removes an existing folder from the list of subscribed folders.
This new function is available from WINDEV Suite SaaS 2025 - Update 2.
JSON
JSON (JavaScript Object Notation – Object Notation from JavaScript) is a lightweight data exchange format...
JSON variable functions
Envoie une requête HTTP en mode asynchrone : le programme continue de s'exécuter et la réponse est traitée par une procédure spécifique.
Cette fonction est une nouveauté disponible à partir de WINDEV Suite SaaS 2025 Update 3.
<xmlDocument>.ToJSON (Function)
Converts an XML string to JSON.
HExportJSON (Function)
Exports the records found in a table (HFSQL or OLE DB), view or query to a JSON file.
ExtractStringBetween (Function)
Allows you to:
  • extract a substring between two given separators from a character string.
  • search for substrings between two given separators in a character string.
StringToJSON (Function)
Converts a JSON string into a JSON variable.
JSONToVariant (Function)
Converts a JSON string to a Variant variable.
HJSONToRecord (Function)
Imports JSON data into the current record.
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.
HRecordToJSON (Function)
Retrieves the structure and value of the current record and exports them into a string in JASON format.
TableToJSON (Function)
Converts the contents of a Table or TreeView Table control to a JSON string.
<Source>.JSONToRecord (Function)
Imports JSON data into the current record.
JSONOpenReader (Function)
Creates a reader to read a JSON document without loading it into memory.
Note: This function is only available from version 2025 Update 3.
<xmlNode>.ToJSON (Function)
Converts an XML string to JSON.
JSONToString (Function)
Converts the content of a JSON variable to a JSON string.
<Source>.ExportJSON (Function)
Exports the records found in a table (HFSQL or OLE DB), view or query to a JSON file.
<Source>.RecordToJSON (Function)
Retrieves the structure and value of the current record and exports them into a string in JASON format.
<Table>.ToJSON (Function)
Converts the contents of a Table or TreeView Table control to a JSON string.
JSONValid (Function)
Checks the validity of a JSON string.
FOR EACH statement (loop through a jsonReader variable)
The FOR EACH statement loops through a variable of type jsonReader in various ways:
  • Loop through a level.
  • Loop through a level with copy.
  • In-depth loop.
Note: This feature is only available from version 2025 Update 3.
VariantToJSON (Function)
Converts the content of a Variant variable to JSON.
Deserialize (Function)
Deserializes a buffer or a character string containing the data from a class, structure, array (including an associative array), queue, stack, list or advanced variable, as well as their subelements.
JSONToXML (Function)
Converts a JSON string to XML.
XMLToJSON (Function)
Converts an XML string to JSON.
<Source>.ExportJSONString (Function)
Exports the records from a table (HFSQL or OLE DB), view, or query to a JSON string.
HExportJSONString (Function)
Exports the records from a table (HFSQL or OLE DB), view, or query to a JSON string.
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The different types of items proposed in the data model editor are as follows:
Classes, members, methods and properties
A class is made of......
hBackupDescription (Variable type)
The hBackupDescription type is used to programmatically describe an HFSQL Client/Server backup....
Brochure des nouveautés 2024 : Nouveautés communes
Nouveautés de WINDEV/WEBDEV/WINDEV Mobile 2024 présentes dans la brochure des Nouveautés 2024....
New Features brochure - Version 28: New WEBDEV features
New features in WEBDEV 28 presented in the New Features brochure....
2025 new features brochure: WINDEV new features
What's new in WINDEV 2025 in the What's new 2025 brochure....
Brochure of new features: Common new features
New features in WINDEV/WEBDEV/WINDEV Mobile 28 presented in the New Features brochure....
New Features brochure - Version 28: Common new features
New features in WINDEV/WEBDEV/WINDEV Mobile 28 presented in the New Features brochure....
2. Examples provided with WINDEV
The examples provided with WINDEV are intended to help you learn the features of WINDEV....
HFSQL constants
List of constants used by the HFSQL functions....
New Features brochure - Version 27: Common new features
New features in WINDEV/WEBDEV/WINDEV Mobile 27 presented in the New Features brochure....
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