xsd doesn't work with nullable value

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hello,
i have a problem to validate my Xml file with xsd in c# win application.
i have customize my element xsd with nillable="true" but doesn't work and gives me error:

The element 'FLG_SUPERVISOR' is not valid. value '' is not valid for the data type 'http://www.w3.org/2001/XMLSchema:decimal' - The string \" \ "is not a valid Decimal value

my xsd is this:

XML

<?xml version="1.0" encoding="Windows-1252"?>
<xs:schema attributeFormDefault="unqualified" elementFormDefault="qualified"

    xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:element name="DocumentElement">
    <xs:complexType>
      <xs:sequence>
        <xs:element maxOccurs="unbounded" name="UserSettings" >
          <xs:complexType>
            <xs:sequence>
              <xs:element name="ID_UTENTE" minOccurs="1" maxOccurs="1" type="xs:decimal" />
              <xs:element name="ID_GRUPPO" minOccurs="1" maxOccurs="1" type="xs:decimal" />
              <xs:element name="NOME_UTENTE" minOccurs="1" maxOccurs="1" type="xs:string" />
              <xs:element name="PASSWORD_UTENTE" minOccurs="1" maxOccurs="1" type="xs:string" />
              <xs:element name="FLG_ABILITATO" nillable="true" minOccurs="1" maxOccurs="1" />
              <xs:element name="DES_UTENTE" type="xs:string" />
              <xs:element name="ACRONIMO" type="xs:string" />
              <xs:element name="FLG_SUPERVISOR" nillable="true" minOccurs="0" maxOccurs="1"
   type="xs:decimal" />

i have set nillable="true" but if my FLG_SUPERVISORE value in xml is blank (null) gives me this error:
how can i change my xsd to enable blach/null value?
(nillable ="true" doesn't work in no other element case)
thanks a lot

Posted 14-Oct-14 0:18am

Member 10846480

Updated 14-Oct-14 10:04am

Maciej Los

v4

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Comments

Sergey Alexandrovich Kryukov 14-Oct-14 12:34pm

Do you want to tread Decimal element as nullable?
—SA

Maciej Los 14-Oct-14 16:11pm

Does not work is not informative at all!

2 solutions

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Maciej Los · Answer 1 · 2014-10-14T10:11:00

Solution 2

If you have got an *.xml file or class definition, i'd suggest to use xsd.exe tool[^], which enables you to create *.xsd file.
On the other site, please see this: Nillable Attribute Binding Support[^]

Posted 14-Oct-14 10:11am

Maciej Los

Comments

Kornfeld Eliyahu Peter 14-Oct-14 16:29pm

Good suggestion about xsd.exe...
You may also add this link to see how null values are working in xml/xsd...http://www.w3.org/TR/xmlschema-0/#Nils

Maciej Los 15-Oct-14 1:47am

Thank you ;)

Kornfeld Eliyahu Peter · Answer 2 · 2014-10-14T10:10:00

Solution 1

An element like

XML

<FLG_SUPERVISIOR></FLG_SUPERVISIOR>

does not declare a null element, but an empty element (0 length string).
To make an exiting element that is nullable you have explicitly state it...

XML

<FLG_SUPERVISIOR xsi:nil="true"></FLG_SUPERVISIOR>

An other option is to set minOccurs to 0 and remove the element completely when it is null...

Posted 14-Oct-14 10:10am

Kornfeld Eliyahu Peter

Comments

Maciej Los 15-Oct-14 1:48am

5ed!

Kornfeld Eliyahu Peter 15-Oct-14 8:37am

Thank you!