SchemaReference.Schema Proprietà

Definizione

Spazio dei nomi:

System.Web.Services.Discovery

Assembly:

System.Web.Services.dll

Ottiene un oggetto XmlSchema che rappresenta lo schema XSD.

public:
 property System::Xml::Schema::XmlSchema ^ Schema { System::Xml::Schema::XmlSchema ^ get(); };

public System.Xml.Schema.XmlSchema Schema { get; }

member this.Schema : System.Xml.Schema.XmlSchema

Public ReadOnly Property Schema As XmlSchema

Valore della proprietà

XmlSchema

Oggetto XmlSchema che rappresenta lo schema XSD.

Eccezioni

InvalidOperationException

La proprietà ClientProtocol è null.

-oppure- Si è verificato un errore durante l'esecuzione del download o la risoluzione dello schema XSD mediante ClientProtocol.

Esempio

// Reference the schema document.
String^ myStringUrl = "c:\\Inetpub\\wwwroot\\dataservice.xsd";
XmlSchema^ myXmlSchema;

// Create the client protocol.
DiscoveryClientProtocol^ myDiscoveryClientProtocol = gcnew DiscoveryClientProtocol;
myDiscoveryClientProtocol->Credentials = CredentialCache::DefaultCredentials;

//  Create a schema reference.
SchemaReference^ mySchemaReferenceNoParam = gcnew SchemaReference;
SchemaReference^ mySchemaReference = gcnew SchemaReference( myStringUrl );

// Set the client protocol.
mySchemaReference->ClientProtocol = myDiscoveryClientProtocol;

// Access the default file name associated with the schema reference.
Console::WriteLine( "Default filename is : {0}", mySchemaReference->DefaultFilename );

// Access the namespace associated with schema reference class.
Console::WriteLine( "Namespace is : {0}", SchemaReference::Namespace );
FileStream^ myStream = gcnew FileStream( myStringUrl,FileMode::OpenOrCreate );

// Read the document in a stream.
mySchemaReference->ReadDocument( myStream );

// Get the schema of referenced document.
myXmlSchema = mySchemaReference->Schema;
Console::WriteLine( "Reference is : {0}", mySchemaReference->Ref );
Console::WriteLine( "Target namespace (default empty) is : {0}", mySchemaReference->TargetNamespace );
Console::WriteLine( "URL is : {0}", mySchemaReference->Url );

// Write the document in the stream.
mySchemaReference->WriteDocument( myXmlSchema, myStream );
myStream->Close();
mySchemaReference = nullptr;

// Reference the schema document.
string myStringUrl = "c:\\Inetpub\\wwwroot\\dataservice.xsd";
XmlSchema myXmlSchema;

// Create the client protocol.
DiscoveryClientProtocol myDiscoveryClientProtocol =
    new DiscoveryClientProtocol();
myDiscoveryClientProtocol.Credentials =
    CredentialCache.DefaultCredentials;

//  Create a schema reference.
SchemaReference mySchemaReferenceNoParam = new SchemaReference();

SchemaReference mySchemaReference = new SchemaReference(myStringUrl);

// Set the client protocol.
mySchemaReference.ClientProtocol = myDiscoveryClientProtocol;

// Access the default file name associated with the schema reference.
Console.WriteLine("Default filename is : " +
    mySchemaReference.DefaultFilename);

// Access the namespace associated with schema reference class.
Console.WriteLine("Namespace is : " + SchemaReference.Namespace);

FileStream myStream =
    new FileStream(myStringUrl,FileMode.OpenOrCreate);

// Read the document in a stream.
mySchemaReference.ReadDocument(myStream);

// Get the schema of referenced document.
myXmlSchema = mySchemaReference.Schema;

Console.WriteLine("Reference is : " + mySchemaReference.Ref);

Console.WriteLine("Target namespace (default empty) is : " +
    mySchemaReference.TargetNamespace);

Console.WriteLine("URL is : " + mySchemaReference.Url);

// Write the document in the stream.
mySchemaReference.WriteDocument(myXmlSchema,myStream);

myStream.Close();
mySchemaReference = null;

' Reference the schema document.
Dim myStringUrl As String = "c:\\Inetpub\\wwwroot\\dataservice.xsd"
Dim myXmlSchema As XmlSchema

' Create the client protocol.
Dim myDiscoveryClientProtocol As DiscoveryClientProtocol = _
    New DiscoveryClientProtocol()
myDiscoveryClientProtocol.Credentials = _
    CredentialCache.DefaultCredentials

' Create a schema reference.
Dim mySchemaReferenceNoParam As SchemaReference = New SchemaReference()

Dim mySchemaReference As SchemaReference = _
    New SchemaReference(myStringUrl)

' Set the client protocol.
mySchemaReference.ClientProtocol = myDiscoveryClientProtocol

' Access the default file name associated with the schema reference.
Console.WriteLine("Default filename is : " & _
    mySchemaReference.DefaultFilename)

' Access the namespace associated with schema reference class.
Console.WriteLine("Namespace is : " & SchemaReference.Namespace)

Dim myStream As FileStream = _
    New FileStream(myStringUrl, FileMode.OpenOrCreate)

' Read the document in a stream.
mySchemaReference.ReadDocument(myStream)

' Get the schema of the referenced document.
myXmlSchema = mySchemaReference.Schema

Console.WriteLine("Reference is : " & mySchemaReference.Ref)

Console.WriteLine("Target namespace (default empty) is : " & _
    mySchemaReference.TargetNamespace)

Console.WriteLine("URL is : " & mySchemaReference.Url)

' Write the document in the stream.
mySchemaReference.WriteDocument(myXmlSchema, myStream)

myStream.Close()
mySchemaReference = Nothing

Commenti

Se lo schema XSD non è stato scaricato e aggiunto alla Documents proprietà di ClientProtocol, viene eseguito un tentativo di download e risoluzione del documento.

Vedi anche

• XmlSchema