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I have this XSD I made

<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" attributeFormDefault="unqualified">
    <xsd:complexType name="FunnyType">
        <xsd:element name="Prueba1" type="xsd:string"/>
        <xsd:element name="Prueba2" type="xsd:int"/>
    </xsd:complexType>
    <xsd:element name="Funnys">
        <xsd:complexType>
            <xsd:sequence>
                <xsd:element name="funny" type="FunnyType" minOccurs="0"/>
            </xsd:sequence>
        </xsd:complexType>
    </xsd:element>
</xsd:schema>

Which gives me a System.Xml.Schema.XmlSchemaException: 'http://www.w3.org/2001/XMLSchema:element' is invalid in this context. (not the exact error, I translated it from spanish).

I have gone up and down everywhere (here, asking colleagues, etc) and made changes to the file, yet I cannot find the error.

What am I lacking here that makes c# throw an exception?

Thank you

DaniWein
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1 Answers1

1

You can't have this:

<xsd:complexType name="FunnyType">
  <xsd:element name="Prueba1" type="xsd:string" />
  <xsd:element name="Prueba2" type="xsd:int" />
</xsd:complexType>

You have to begin the complexType with one of the 3 compositors: xsd:sequence, xsd:all or xsd:choice:

For example:

<xsd:complexType name="FunnyType">
  <!-- Can also be xsd:all or xsd:choice -->
  <xsd:sequence> 
    <xsd:element name="Prueba1" type="xsd:string" />
    <xsd:element name="Prueba2" type="xsd:int" />
  </xsd:sequence>
</xsd:complexType>

You need to decide which one to use that best suits what your complex type is meant to model.

mamift
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    yes, I fixed it on friday, but I forgot to answer here. I really appreciate it and I'll mark the answer as valid, since it is. Not only for me, but for anyone else. In my case, since it needs all the elements, I used 'sequence'. As I read [here](https://stackoverflow.com/questions/16101488/difference-between-xsdall-and-xsdsequence-in-schema-definition), seems like the main difference between all and sequence is wether unordered or ordered elements are required. I also added minOccurs=1 and maxOccurs=1, since they are mandatory but only 1 of each must be contained – DaniWein Feb 13 '23 at 08:39