DOM Get first child XML element

DOM Get first child XML element ( elementRef {; childElemName {; childElemValue}} ) : Text

Parameter	Type		Description
elementRef	Text	→	XML element reference
childElemName	Text	←	Name of child XML element
childElemValue	Text	←	Value of child XML element
Function result	Text	←	Child XML element reference

Description

The DOM Get first child XML element command returns a reference to the first “child” of the XML element passed in elementRef. This reference can be used with other XML parsing commands.

The childElemName and childElemValue parameters, if they are passed, receive respectively the name and the value of the child element.

Example 1

Retrieval of the reference of the first XML element of the parent root. The XML structure (C:\\import.xml) is first loaded into a BLOB:

 var myBlobVar : Blob
 var $xml_Parent_Ref;$xml_Child_Ref : Text
 
 DOCUMENT TO BLOB("c:\\import.xml";myBlobVar)
 $xml_Parent_Ref:=DOM Parse XML variable(myBlobVar)
 $xml_Child_Ref:=DOM Get first child XML element($xml_Parent_Ref)

Example 2

Retrieval of the reference, name and value of the first XML element of the parent root. The XML structure (C:\\import.xml) is first loaded into a BLOB:

 var myBlobVar : Blob
 var $xml_Parent_Ref;$xml_Child_Ref : Text
 var $childName;$childValue : Text
 
 DOCUMENT TO BLOB("c:\\import.xml";myBlobVar)
 $xml_Parent_Ref:=DOM Parse XML variable(myBlobVar)
 $xml_Child_Ref:=DOM Get first child XML element($xml_Parent_Ref;$childName;$childValue)

System variables and sets

If the command has been correctly executed, the system variable OK is set to 1. Otherwise, it is set to 0.

See also

DOM Get next sibling XML element

Properties

Command number	723
Thread safe	✓
Modifies variables	OK