Validates in XML Spy but generates errors in .Net

[Kapten Haddock]

Hi. I have a simple schema which validates fine in XML Spy but in .Net
I get a Type Exception:
[The 'startDate' element has an invalid value according to its data
type]

The effect I'm looking for is to be able to pass an empty date.

The Schema File:
<?xml version="1.0" encoding="utf-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
elementFormDefa ult="qualified" attributeFormDe fault="unqualif ied">
<xs:element name="search">
<xs:complexType >
<xs:sequence>
<xs:element name="agentNo" type="xs:string "/>
<xs:element name="attention " type="xs:string "/>
<xs:element name="agentName " type="xs:string "/>
<xs:element name="orgNo" type="xs:string "/>
<xs:element name="startDate " type="euroSearc hDate"/>
<xs:element name="stopDate" type="euroSearc hDate"/>
<xs:element name="country"/>
<xs:element name="companyCo de"/>
</xs:sequence>
</xs:complexType>
</xs:element>

<xs:simpleTyp e name="euroSearc hDate">
<xs:union memberTypes="eu roEmptyString euroDate"/>
</xs:simpleType>

<xs:simpleTyp e name="euroDate" >
<xs:restricti on base="xs:date"/>
</xs:simpleType>

<xs:simpleTyp e name="euroEmpty String">
<xs:restricti on base="xs:string ">
<xs:enumerati on value=""/>
</xs:restriction>
</xs:simpleType>
</xs:schema>

The xml File:
<?xml version="1.0" encoding="UTF-8"?>
<search xmlns:xsi="http ://www.w3.org/2001/XMLSchema-instance">
<agentNo></agentNo>
<attention></attention>
<agentName></agentName>
<orgNo></orgNo>
<startDate></startDate>
<stopDate></stopDate>
<country></country>
<companyCode> </companyCode>
</search>

The C# code:

XmlTextReader xmlReader = new XmlTextReader(@ "myxmlFile.xml" );
XmlDocument xmlSoapDoc = new XmlDocument();
xmlSoapDoc.Load (xmlReader);
//validate against a schema
try
{
Validate(xmlSoa pDoc,@"mySchema .xsd");
}
catch (System.Excepti on valException)
{
throw valException;
}
return xmlSoapDoc.Oute rXml;
}
public void Validate(XmlDoc ument xmlDoc, String xsdPath)
{
//move the xml to a stream
System.IO.Memor yStream streamXML = new System.IO.Memor yStream();
xmlDoc.Save(str eamXML);
streamXML.Posit ion = 0;

//create an xmlTextReader from the stream
XmlTextReader readerXML = new XmlTextReader(s treamXML);

//create a new schema collection
XmlSchemaCollec tion xsds = new XmlSchemaCollec tion();

//add our schema
try
{
xsds.Add(null, xsdPath);
}
catch(System.Ex ception xsdError)
{
throw xsdError;
}

//create a new xmlValidatingRe ader
XmlValidatingRe ader xmlValidator = new XmlValidatingRe ader(readerXML) ;
xmlValidator.Va lidationType = ValidationType. Schema;

//add our schema collection to the validator
xmlValidator.Sc hemas.Add(xsds) ;
//add validation Error handler
xmlValidator.Va lidationEventHa ndler += new
ValidationEvent Handler(Validat ionCallBack);
try
{
while (xmlValidator.R ead());
}
catch (System.Excepti on valException)
{
throw valException;
}
}

public static void ValidationCallB ack(object sender,
ValidationEvent Args e)
{
System.Exceptio n valException = new Exception(e.Mes sage);
throw valException;
}

}
}

Thanks - I'm lost!
/Haddock

[Zafar Abbas]

It is because you are loading the XML in a XmlDocument, which has
PreserveWhitesp aces set to false by default, so as a results
<startDate></startDate>

becomes

<startDate>
</startDate>

notice there is a newline and carriage return characeter added to the
element content. This will fail validation since this type does not accept
that value. You need to set PreserveWhitesp ace to true on the Document
before loading it like:
xmlSoapDoc.Pres erveWhitespace = true;

Thanks.

"Kapten Haddock" <an****@tropica lstorm.se> wrote in message
news:11******** **************@ g47g2000cwa.goo glegroups.com.. .

Hi. I have a simple schema which validates fine in XML Spy but in .Net
I get a Type Exception:
[The 'startDate' element has an invalid value according to its data
type]

The effect I'm looking for is to be able to pass an empty date.

The Schema File:
<?xml version="1.0" encoding="utf-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
elementFormDefa ult="qualified" attributeFormDe fault="unqualif ied">
<xs:element name="search">
<xs:complexType >
<xs:sequence>
<xs:element name="agentNo" type="xs:string "/>
<xs:element name="attention " type="xs:string "/>
<xs:element name="agentName " type="xs:string "/>
<xs:element name="orgNo" type="xs:string "/>
<xs:element name="startDate " type="euroSearc hDate"/>
<xs:element name="stopDate" type="euroSearc hDate"/>
<xs:element name="country"/>
<xs:element name="companyCo de"/>
</xs:sequence>
</xs:complexType>
</xs:element>

<xs:simpleTyp e name="euroSearc hDate">
<xs:union memberTypes="eu roEmptyString euroDate"/>
</xs:simpleType>

<xs:simpleTyp e name="euroDate" >
<xs:restricti on base="xs:date"/>
</xs:simpleType>

<xs:simpleTyp e name="euroEmpty String">
<xs:restricti on base="xs:string ">
<xs:enumerati on value=""/>
</xs:restriction>
</xs:simpleType>
</xs:schema>

The xml File:
<?xml version="1.0" encoding="UTF-8"?>
<search xmlns:xsi="http ://www.w3.org/2001/XMLSchema-instance">
<agentNo></agentNo>
<attention></attention>
<agentName></agentName>
<orgNo></orgNo>
<startDate></startDate>
<stopDate></stopDate>
<country></country>
<companyCode> </companyCode>
</search>

The C# code:

XmlTextReader xmlReader = new XmlTextReader(@ "myxmlFile.xml" );
XmlDocument xmlSoapDoc = new XmlDocument();
xmlSoapDoc.Load (xmlReader);
//validate against a schema
try
{
Validate(xmlSoa pDoc,@"mySchema .xsd");
}
catch (System.Excepti on valException)
{
throw valException;
}
return xmlSoapDoc.Oute rXml;
}
public void Validate(XmlDoc ument xmlDoc, String xsdPath)
{
//move the xml to a stream
System.IO.Memor yStream streamXML = new System.IO.Memor yStream();
xmlDoc.Save(str eamXML);
streamXML.Posit ion = 0;

//create an xmlTextReader from the stream
XmlTextReader readerXML = new XmlTextReader(s treamXML);

//create a new schema collection
XmlSchemaCollec tion xsds = new XmlSchemaCollec tion();

//add our schema
try
{
xsds.Add(null, xsdPath);
}
catch(System.Ex ception xsdError)
{
throw xsdError;
}

//create a new xmlValidatingRe ader
XmlValidatingRe ader xmlValidator = new XmlValidatingRe ader(readerXML) ;
xmlValidator.Va lidationType = ValidationType. Schema;

//add our schema collection to the validator
xmlValidator.Sc hemas.Add(xsds) ;
//add validation Error handler
xmlValidator.Va lidationEventHa ndler += new
ValidationEvent Handler(Validat ionCallBack);
try
{
while (xmlValidator.R ead());
}
catch (System.Excepti on valException)
{
throw valException;
}
}

public static void ValidationCallB ack(object sender,
ValidationEvent Args e)
{
System.Exceptio n valException = new Exception(e.Mes sage);
throw valException;
}

}
}

Thanks - I'm lost!
/Haddock