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POHow to compare dates using XML and Schematron
 

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  1. POHow to compare dates using XML and Schematron
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    <p>Schematron XML date comparison in not working. And it returns a false error. I think I am using schematron 1.01. I am using C# and the DLL from MSDN: <a href="http://msdn.microsoft.com/en-us/library/aa468554.aspx" rel="nofollow">MSDN schematron link</a></p> <p>Here is the error output (by the way it passes XSD validation):</p> <pre><code>From pattern "Check co-occurrence constraints" Assert fails: VisitDate must be within a valid date range as specified in dataBeginDate and dataEndDate At: /MyData[1]/Site[1]/Patient[1]/form_Baseline[1]/dat_VisitDate[1] &lt;dat_VisitDate signedWho="System" value="2009-02-02"&gt;...&lt;/dat_VisitDate&gt; (Line: 7, Column: 10) </code></pre> <p><strong>Schematron rule:</strong></p> <pre><code>&lt;sch:rule context="MyData/Site/Patient/form_Baseline/dat_VisitDate"&gt; &lt;sch:assert test="@value &gt; //MyData/@dataBeginDate"&gt;VisitDate must be within a valid date range as specified in dataBeginDate and dataEndDate&lt;/sch:assert&gt; &lt;/sch:rule&gt; </code></pre> <p><strong>XML:</strong></p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;MyData xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" dataBeginDate="2008-01-01" dataEndDate="2011-04-26"&gt; &lt;Site SiteKey="11"&gt; &lt;Patient PatientKey="33"&gt; &lt;dat_StatusDate signedWho="System" value="2009-01-01" /&gt; &lt;form_Baseline&gt; &lt;dat_VisitDate signedWho="System" value="2009-02-02" /&gt; &lt;/form_Baseline&gt; &lt;form_Flowsheet VisitDateKey="2009-03-03"&gt; &lt;dat_OtherDate signedWho="System" value="2009-03-03" /&gt; &lt;/form_Flowsheet&gt; &lt;/Patient&gt; &lt;/Site&gt; &lt;/MyData&gt; </code></pre> <p><strong>XSD:</strong></p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:sch="http://www.ascc.net/xml/schematron"&gt; &lt;xs:annotation&gt; &lt;xs:appinfo&gt; &lt;sch:title&gt;Schematron Validation&lt;/sch:title&gt; &lt;/xs:appinfo&gt; &lt;/xs:annotation&gt; &lt;xs:simpleType name="dateMyDate"&gt; &lt;xs:restriction base="xs:date"&gt; &lt;xs:minInclusive value="2000-01-01"/&gt; &lt;/xs:restriction&gt; &lt;/xs:simpleType&gt; &lt;xs:simpleType name="integerMyKey"&gt; &lt;xs:restriction base="xs:integer"&gt; &lt;xs:minInclusive value="1"/&gt; &lt;xs:maxInclusive value="9999"/&gt; &lt;/xs:restriction&gt; &lt;/xs:simpleType&gt; &lt;xs:simpleType name="stringNonEmpty"&gt; &lt;xs:restriction base="xs:string"&gt; &lt;xs:minLength value="1"/&gt; &lt;xs:maxLength value="32"/&gt; &lt;/xs:restriction&gt; &lt;/xs:simpleType&gt; &lt;xs:element name="MyData"&gt; &lt;xs:complexType&gt; &lt;xs:sequence&gt; &lt;xs:element name="Site" minOccurs="1" maxOccurs="1"&gt; &lt;xs:complexType&gt; &lt;xs:sequence&gt; &lt;xs:element name="Patient" minOccurs="0" maxOccurs="unbounded"&gt; &lt;xs:complexType&gt; &lt;xs:sequence&gt; &lt;xs:element name="dat_StatusDate" minOccurs="1" maxOccurs="1"&gt; &lt;xs:complexType&gt; &lt;xs:attribute name="value" type="dateMyDate" use="required" /&gt; &lt;xs:attribute name="signedWho" type="stringNonEmpty" use="required" /&gt; &lt;/xs:complexType&gt; &lt;/xs:element&gt; &lt;xs:element name="form_Baseline" minOccurs="0" maxOccurs="1"&gt; &lt;xs:complexType&gt; &lt;xs:sequence&gt; &lt;xs:element name="dat_VisitDate" minOccurs="1" maxOccurs="1"&gt; &lt;xs:complexType&gt; &lt;xs:annotation&gt; &lt;xs:appinfo&gt; &lt;sch:pattern name="Check co-occurrence constraints"&gt; &lt;sch:rule context="MyData/Site/Patient/form_Baseline/dat_VisitDate"&gt; &lt;sch:assert test="@value &gt; //MyData/@dataBeginDate"&gt; VisitDate must be within a valid date range as specified in dataBeginDate and dataEndDate &lt;/sch:assert&gt; &lt;/sch:rule&gt; &lt;/sch:pattern&gt; &lt;/xs:appinfo&gt; &lt;/xs:annotation&gt; &lt;xs:attribute name="value" type="dateMyDate" use="required" /&gt; &lt;xs:attribute name="signedWho" type="stringNonEmpty" use="required" /&gt; &lt;/xs:complexType&gt; &lt;/xs:element&gt; &lt;/xs:sequence&gt; &lt;/xs:complexType&gt; &lt;/xs:element&gt; &lt;xs:element name="form_Flowsheet" minOccurs="0" maxOccurs="unbounded"&gt; &lt;xs:complexType&gt; &lt;xs:sequence&gt; &lt;xs:element name="dat_OtherDate" minOccurs="1" maxOccurs="1"&gt; &lt;xs:complexType&gt; &lt;xs:attribute name="value" type="dateMyDate" use="required" /&gt; &lt;xs:attribute name="signedWho" type="stringNonEmpty" use="required" /&gt; &lt;/xs:complexType&gt; &lt;/xs:element&gt; &lt;/xs:sequence&gt; &lt;xs:attribute name="VisitDateKey" type="dateMyDate" use="required" /&gt; &lt;/xs:complexType&gt; &lt;/xs:element&gt; &lt;/xs:sequence&gt; &lt;xs:attribute name="PatientKey" type="stringNonEmpty" use="required" /&gt; &lt;/xs:complexType&gt; &lt;/xs:element&gt; &lt;/xs:sequence&gt; &lt;xs:attribute name="SiteKey" type="integerMyKey" use="required" /&gt; &lt;/xs:complexType&gt; &lt;/xs:element&gt; &lt;/xs:sequence&gt; &lt;xs:attribute name="dataBeginDate" type="dateMyDate" use="required" /&gt; &lt;xs:attribute name="dataEndDate" type="dateMyDate" use="required" /&gt; &lt;/xs:complexType&gt; &lt;/xs:element&gt; &lt;/xs:schema&gt; </code></pre>
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