ASP.Net/XML/Schema
Create XML Schema
<source lang="csharp">
<%@ Page Language="C#"%> <%@ Import Namespace="System.IO" %> <%@ Import Namespace="System.Xml" %> <%@ Import Namespace="System.Xml.Schema" %> <script runat="server">
private StringBuilder stringBuilder = new StringBuilder();
void Page_Load(object sender, EventArgs e)
{
string ns = "http://www.w3.org/2001/XMLSchema";
string xsdPath = MapPath("NewAuthors.xsd");
XmlSchema schema = new XmlSchema();
XmlSchemaElement authorID = new XmlSchemaElement();
authorID.Name = "authorID";
authorID.SchemaTypeName = new XmlQualifiedName("string", ns );
XmlSchemaElement authorLastName = new XmlSchemaElement();
authorLastName.Name = "lastName";
authorLastName.SchemaTypeName = new XmlQualifiedName("string", ns);
XmlSchemaElement authorFirstName = new XmlSchemaElement();
authorFirstName.Name = "firstName";
authorFirstName.SchemaTypeName = new XmlQualifiedName("string", ns);
XmlSchemaElement zip = new XmlSchemaElement();
zip.Name = "zip";
zip.SchemaTypeName = new XmlQualifiedName("unsignedInt", ns);
XmlSchemaElement contract = new XmlSchemaElement();
contract.Name = "contract";
contract.SchemaTypeName = new XmlQualifiedName("boolean", ns);
XmlSchemaElement authorElement = new XmlSchemaElement();
authorElement.Name = "author";
// Create an anonymous complex type for the author element
XmlSchemaComplexType authorType = new XmlSchemaComplexType();
XmlSchemaSequence authorSeq = new XmlSchemaSequence();
//Add all the child elements to the sequence
authorSeq.Items.Add(authorID);
authorSeq.Items.Add(authorLastName);
authorSeq.Items.Add(authorFirstName);
authorSeq.Items.Add(zip);
authorSeq.Items.Add(contract);
authorType.Particle = authorSeq;
//Set the SchemaType of authors element to the complex type
authorElement.SchemaType = authorType;
//Add the root authors element to the schema
schema.Items.Add(authorElement);
//Compile the file to check for validation errors
schema.rupile(new ValidationEventHandler(ValidationEventHandler));
FileStream stream = new FileStream(xsdPath, FileMode.Create);
//Write the file
schema.Write(stream);
stream.Close();
if (stringBuilder.ToString() == String.Empty)
Response.Write("File written successfully");
else
Response.Write("Schema Creation Failed.
" + stringBuilder.ToString());
}
void ValidationEventHandler(object sender, ValidationEventArgs args)
{
stringBuilder.Append("Validation error: " + args.Message + "
");
}
</script> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server">
<title>Writing XSD Schema</title>
</head> <body>
<form id="form1" runat="server">
</form>
</body> </html>
</source>
Read XML Schema and compile
<source lang="csharp">
<%@ Page Language="C#"%> <%@ Import Namespace="System.IO" %> <%@ Import Namespace="System.Reflection" %> <%@ Import Namespace="System.Xml" %> <%@ Import Namespace="System.Xml.Schema" %> <script runat="server">
private StringBuilder stringBuilder = new StringBuilder();
void Page_Load(object sender, EventArgs e)
{
string xsdPath = MapPath("Authors.xsd");
XmlSchema schema = null;
FileStream stream = new FileStream(xsdPath, FileMode.Open);
schema = XmlSchema.Read(stream, new ValidationEventHandler(ValidationEventHandler));
stream.Close();
schema.rupile(new ValidationEventHandler(ValidationEventHandler));
if (schema.IsCompiled)
DisplaySchemaObjects(schema);
else
Response.Write("Schema Reading Failed.
" + stringBuilder.ToString());
}
void DisplaySchemaObjects(XmlSchema schema)
{
foreach (XmlSchemaElement elem in schema.Elements.Values)
{
if (elem.ElementSchemaType is XmlSchemaComplexType)
{
Response.Write("Complex Element: " + elem.Name + "
");
XmlSchemaComplexType ct = (XmlSchemaComplexType)elem.ElementSchemaType;
//Process the XmlSchemaComplexType
}
}
}
void ValidationEventHandler(object sender, ValidationEventArgs args)
{
stringBuilder.Append("Validation error: " + args.Message + "
");
}
</script> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server">
<title>Reading XSD Schema</title>
</head> <body>
<form id="form1" runat="server">
</form>
</body> </html>
<%-- Authors.xsd <?xml version="1.0" encoding="utf-8"?> <xs:schema attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema">
<xs:element name="authors">
<xs:complexType>
<xs:sequence>
<xs:element maxOccurs="unbounded" name="author">
<xs:complexType>
<xs:sequence>
<xs:element name="authorID" type="xs:string" />
<xs:element name="lastName" type="xs:string" />
<xs:element name="firstName" type="xs:string" />
<xs:element name="phone" type="xs:string" />
<xs:element name="address" type="xs:string" />
<xs:element name="city" type="xs:string" />
<xs:element name="state" type="xs:string" />
<xs:element name="zip" type="xs:unsignedInt" />
<xs:element name="contract" type="xs:boolean" />
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:schema> --%>
</source>
Validate XML with inline Schema
<source lang="csharp">
<%@ Page Language="C#"%> <%@ Import Namespace="System.Xml" %> <%@ Import Namespace="System.Xml.Schema" %> <script runat="server">
private StringBuilder stringBuilder = new StringBuilder();
void Page_Load(object sender, EventArgs e)
{
string xmlPath = MapPath("AuthorsWithInlineSchema.xml");
XmlReader reader = null;
XmlReaderSettings settings = new XmlReaderSettings();
settings.ValidationType = ValidationType.Schema;
settings.ValidationEventHandler += new ValidationEventHandler(this.ValidationEventHandler);
//settings.ValidationFlags &= ~XmlSchemaValidationFlags.IgnoreInlineSchema;
//settings.ValidationFlags &= ~XmlSchemaValidationFlags.IgnoreValidationWarnings;
settings.ValidationFlags &= XmlSchemaValidationFlags.ProcessInlineSchema;
settings.ValidationFlags &= XmlSchemaValidationFlags.ReportValidationWarnings;
reader = XmlReader.Create(xmlPath, settings);
while (reader.Read())
{
}
if (stringBuilder.ToString() == String.Empty)
Response.Write("Validation completed successfully.");
else
Response.Write("Validation Failed.
" + stringBuilder.ToString());
}
void ValidationEventHandler(object sender, ValidationEventArgs args)
{
if (args.Severity == XmlSeverityType.Error)
{
stringBuilder.Append("Validation error: " + args.Message + "
");
}
}
</script> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server">
<title>Inline XSD Schema Validation</title>
</head> <body>
<form id="form1" runat="server">
</form>
</body> </html>
<%-- <?xml version="1.0"?> <root xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:x="urn:authors">
<xs:schema targetNamespace="urn:authors"> <xs:element name="authors"> <xs:complexType> <xs:sequence> <xs:element maxOccurs="unbounded" name="author"> <xs:complexType> <xs:sequence> <xs:element name="authorID" type="xs:string" /> <xs:element name="lastName" type="xs:string" /> <xs:element name="firstName" type="xs:string" /> <xs:element name="phone" type="xs:string" /> <xs:element name="address" type="xs:string" /> <xs:element name="city" type="xs:string" /> <xs:element name="state" type="xs:string" /> <xs:element name="zip" type="xs:unsignedInt" /> <xs:element name="contract" type="xs:boolean" /> </xs:sequence> </xs:complexType> </xs:element> </xs:sequence> </xs:complexType> </xs:element> </xs:schema> <x:authors> <author> <authorID>000-00-0001</authorID> <lastName>Nancy</lastName> <firstName>Lee</firstName> <phone>999 999-9999</phone> <address>9999 York St.</address> <city>Regina</city> <state>LA</state> <zip>99999</zip> <contract>true</contract> </author> <author> <authorID>000-00-0002</authorID> <lastName>First</lastName> <firstName>Last</firstName> <phone>415 986-7020</phone> <address>No Name St.</address> <city>Vancouver</city> <state>BC</state> <zip>88888</zip> <contract>true</contract> </author> </x:authors>
</root>
--%>
</source>
