XPath

 

Description

Evaluates an XPath expression against an XML element and returns the resultant string value.

 

Arguments

1.XPath- Name of the Macro.

2.Expression- The XPath expression

3.XML - The XML to evaluate the XPath expression against.

 

Examples

[XPath|@Description]

Copies a value from an attribute named Description from the context element if it exists or returns an empty string.

 

[XPath|Amounts/Base]

Copies a value from an element named Base that is contained in another element named Amount from the context element if it exists or returns an empty string.

 

[XPath|../../Connections/Connection[@TransferScope="Source"]/@Culture]

Navigates two levels up the XML tree from the context element and then down two levels through a collection of Connection elements where it can then select a specific Connection based on the value of the @TransferScope attribute and then return the Culture attribute from that element.

 

[XPath|CompanyName|<CompanyDetail><CompanyName>pasUNITY</CompanyName></CompanyDetail>]

Copies a value from an element named CompanyName from the provided CompanyDetail XML.

Returns "pasUNITY".

 

Notes

This is a contextual macro and is used during the import operation of data from a source connection for those connections that read data from the source in record format using data readers.  XPath syntax is widely documented on the Internet.

 

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