expression Attribute (assignmentAction Element)

Contains an XPath expression to populate the value of the targetField attribute.

Type

  xsd:string

Parent Elements

Element Description
assignmentAction Defines an action to set the value of a field.

Definition

  <xsd:attribute name="expression" type="xsd:string" use="required" ></xsd:attribute>

Remarks

Example

The following is an example of the expression attribute as it is used in the assignmentAction element:

  <xsf:rule caption="Receipts" condition="my:expense > 75">
 <xsf:dialogBoxMessageAction>Don't forget your receipts!</xsf:dialogBoxMessageAction>
 <xsf:switchViewAction view="Approval View"/>
 <xsf:assignmentAction targetField="my:group8/my:group9/my:target" 
  expression ="sum(my:expenses/my:expense) * my:taxRate"/>
 <xsf:queryAction adapter="Exchange Rates"/>
 <xsf:submitAction adapter="Exchange Rates"/>
 <xsf:openNewDocumentAction solutionURI="uri:microsoft-ExpenseReport"/>
 <xsf:closeDocumentAction promptToSaveChanges="yes"/>
 <xsf:dialogBoxExpressionAction>my:group/my:field1</xsf:dialogBoxExpressionAction>
 <xsf:exitRuleSet/>
</xsf:rule>