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Help / WLanguage / WLanguage functions / Standard functions / XML file functions
  • Identifying the current element
  • XML functions and threads
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Stored procedures
Returns the value of current element (tag or XML attribute) or the value of one of its attributes.
To select an element, use the functions for XML search and browse (XMLFirst, XMLLast, XMLChild, ...).
// Valeur de l'attribut "Produit" de l'élément en cours
Valeur is string
Valeur = XMLData("DocXML", "Produit")

// Test de la valeur
IF Valeur = "" THEN
	Error("L'attribut Produit n'a pas de valeur")
ELSE
	Info("La valeur de l'attribut Produit est : " + Valeur)
END
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// Valeur d'une balise
Valeur is string
Valeur = XMLData("DocXML")

// Positionné sur une balise ?
IF ErrorOccurred = True THEN
	Error(ErrorInfo())
ELSE
	// Test de la valeur
	IF Valeur = "" THEN
		Error("L'élément en cours n'a pas de valeur")
	ELSE
		Info("La valeur de l'élément courant est : " + Valeur)
	END
END
Syntax
<Result> = XMLData(<XML document> [, <Attribute> [, <Search mode>]])
<Result>: Character string
  • Value of current element or value of specified attribute.
  • Empty string (""):
    • if the current element has no value.
    • if the specified attribute is not a child of the current element.
    • if there is no current element. In this case, the ErrorOccurred variable is set to True. To get more details on the error, use ErrorInfo.
    • if the current element is already an attribute. In this case, the ErrorOccurred variable is set to True. To get more details on the error, use ErrorInfo.
<XML document>: Character string
Name of the XML document used. This document contains the XML code to study and it was created by XMLDocument.
<Attribute>: Optional character string
Name of child attribute of current tag for which the value must be returned. This attribute is sought among the direct children of current element. If this parameter is not specified (or if it corresponds to Null or an empty string), XMLData returns the value of the current tag.
<Search mode>: Optional Integer constant
Search mode use to find the attribute among the children of current element.
XMLContainsSearch for the first attribute whose name contains the value of <Attribute>.
XMLExact
(Default value)
Search for the first attribute whose name exactly corresponds to the value of <Attribute>.
XMLIgnoreCaseSearch for the first attribute whose name corresponds to the value of <Attribute> regardless of the case.
Can be combined with the constants XMLContains, XMLStartWith or XMLExact.
XMLStartWithSearch for the first attribute whose name starts with the content of <Attribute>.
Remarks

Identifying the current element

XML functions and threads

If your application uses threads, the XML document is shared between all these threads. For more details on threads, see Managing threads.
Component: wd300xml.dll
Minimum version required
  • Version 9
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Last update: 03/27/2025

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