I have the following xml schema:
<?xml version="1.0"?> <xsd:element name="Event" type="eventType"/> <xsd:element name="Lesson" type="lessonType" substitutionGroup="Event"/> <xsd:element name="Seminar" type="seminarType" substitutionGroup="Event"/> <xsd:element name="Lab" type="labType" substitutionGroup="Event"/> <xsd:element name="Schedule"> <xsd:complexType> <xsd:sequence> <xsd:element ref="Event" maxOccurs="unbounded"></xsd:element> </xsd:sequence> </xsd:complexType> </xsd:element> <xsd:complexType name="eventType"> <xsd:sequence> <xsd:element name="Title" type="xsd:string"> </xsd:element> <xsd:element name="Lecture" maxOccurs="5" minOccurs="1"> <xsd:complexType> <xsd:sequence> <xsd:element name="Day"> <xsd:simpleType> <xsd:restriction base="xsd:string"> <xsd:enumeration value="Monday"> </xsd:enumeration> <xsd:enumeration value="Tuesday"> </xsd:enumeration> <xsd:enumeration value="Wednesday"> </xsd:enumeration> <xsd:enumeration value="Thursday"> </xsd:enumeration> <xsd:enumeration value="Friday"> </xsd:enumeration> <xsd:enumeration value="Saturday"> </xsd:enumeration> <xsd:enumeration value="Sunday"> </xsd:enumeration> </xsd:restriction> </xsd:simpleType> </xsd:element> <xsd:element name="Time"> <xsd:simpleType> <xsd:restriction base="xsd:string"> <xsd:length value="11"> </xsd:length> <xsd:pattern value="(([0-1][0-9])|(2[0-3])):[0-5][0-9]-(([0-1][0-9])|(2[0-3])):[0-5][0-9]"> </xsd:pattern> </xsd:restriction> </xsd:simpleType> </xsd:element> </xsd:sequence> <xsd:attribute name="Classroom" use="required"> <xsd:simpleType> <xsd:restriction base="xsd:string"> <xsd:maxLength value="4"> </xsd:maxLength> </xsd:restriction> </xsd:simpleType> </xsd:attribute> </xsd:complexType> </xsd:element> </xsd:sequence> </xsd:complexType> <xsd:complexType name="lessonType"> <xsd:complexContent> <xsd:extension base="eventType"> <xsd:sequence> <xsd:element name="Professor" type="xsd:string"> </xsd:element> </xsd:sequence> </xsd:extension> </xsd:complexContent> </xsd:complexType> <xsd:complexType name="seminarType"> <xsd:complexContent> <xsd:restriction base="eventType"> <xsd:sequence> <xsd:element name="Lecture" maxOccurs="1" minOccurs="1"></xsd:element> </xsd:sequence> </xsd:restriction> </xsd:complexContent> </xsd:complexType> <xsd:complexType name="labType"> <xsd:complexContent> <xsd:restriction base="eventType"> <xsd:attribute name="Classroom" use="prohibited"></xsd:attribute> </xsd:restriction> </xsd:complexContent> </xsd:complexType> and i want to assign a xml to this xml schema. The xml is written above but i have 2 errors: 1) element Lab must have no character or information since its type is empty and 2) invalid content was found with element TItle one of schedule:lecture is expercted
<Schedule xsi:schemaLocation="schedule ..\9\schedule_9.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="schedule"> <Lesson> <Title>Artificial Intelligence</Title> <Lecture Classroom="BA"> <Day>Wednesday</Day> <Time>09:00-11:00</Time> </Lecture> <Lecture Classroom="BA"> <Day>Thursday</Day> <Time>09:00-11:00</Time> </Lecture> <Professor>Hatzilygeroudis</Professor> </Lesson> <Lab> <Title>Artificial Intelligence</Title> <Lecture> <Day>Friday</Day> <Time>17:00-18:00</Time> </Lecture> </Lab> <Seminar> <Title>Constraint Satisfaction Problems</Title> <Lecture Classroom="B3"> <Day>Monday</Day> <Time>19:00-21:00</Time> </Lecture> </Seminar> <Lesson> <Title>Knowledge Representation in Web</Title> <Lecture Classroom="P200"> <Day>Friday</Day> <Time>15:00-17:00</Time> </Lecture> <Professor>Hatzilygeroudis</Professor> </Lesson>
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