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<META HTTP-EQUIV="assetid" CONTENT="HV01104081"><META NAME="lcid" CONTENT="1033"><title>Eval Method</title><link rel="stylesheet" type="text/css" href="office10.css"><script type="text/javascript" language="Javascript" src="ExpCollapse.js"></script><script type="text/javascript" language="JavaScript" src="inline.js"></script></head><body><h1>Eval Method</h1><DIV class="ofvbanav"><span class="ofvbanavreuse" id="seealso" onclick="toggleList()" onkeypress="toggleList()"></span><span class="ofvbanavreuse" id="appliesto" onclick="toggleList()" onkeypress="toggleList()"></span><a class="ofvbanavex" href="#example"><span class="ofvbanavreuse" id="example"></span></a><span class="ofvbanavreuse" id="specifics" onclick="toggleList()" onkeypress="toggleList()"></span></DIV><p>
<p>Returns a <b class="bterm">Variant</b> containing the set of results calculated when the expression is applied to each set of elements in the context.</p>
<p class="signature"><i>expression</i>.<b class="bterm">Eval</b>(ByVal <b class="bterm"><i>nodeList</i></b> As IXMLDOMNodeList, ByVal <i><b class="bterm">bstrExpression</b></i> as String) As Variant
</p>
<p><i>expression </i> Required. An expression that returns a reference to the <a href="xdobjMathObject_HV01104079.htm" id="HV01104079" lcid=" "><b class="bterm">Math</b></a>
object.
</p><p>
<i><b class="bterm">nodeList</b> </i> Required <b class="bterm">IXMLDOMNodeList</b>. The node that sets the context for the expression.</p>
<p>
<i><b class="bterm">
bstrExpression</b> </i> Required <b class="bterm">String</b>. The expression to be applied to each set of nodes in the specified context.</p>
</p><h2>Security Level</h2><p>0: Can be accessed without restrictions.</p><h2>Remarks</h2><p><p><p><b>Note</b> This object model member is not supported when the <b class="ui">Disable Service Pack features</b> option on the <b class="ui">Advanced</b> tab of the <b class="ui">Options</b> dialog box in InfoPath is selected or when Microsoft Office 2003 Service Pack 1 or later is not installed. Any form that implements this object model member in its code will generate an error message if it is opened in InfoPath when service pack features are disabled or unavailable.</p></p></p><h2><a id="#example" name="#example">Example</a></h2><p>
<p>In the following example, the variable maxCost is set to the largest cost value, where cost is calculated by multiplying price by quantity.</p>
<pre><code>
var nodes = XDocument.DOM.selectNodes("/my:items/my:item");
var maxCost = XDocument.Util.Math.Max(XDocument.Util.Math.<b class="bterm">Eval</b>(nodes, "price * quantity"));
</code></pre></p><script type="text/javascript" language="JScript" src="ofvbanl.js"></script><span id="ofVBAISpan" class="ofvbaispan"><iframe id="ofVBAIFrame" frameborder="0" marginheight="0" marginwidth="4" scrolling="auto" width="100%" src="../links/xdmthEval_HV01104081_l.htm"></iframe></span><center><a href="XMLSchemaCopyright_HV01147162.htm">©2003-2004 Microsoft Corporation. All rights reserved.</a>
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