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SoapDocumentMethodAttribute.Binding Property

Gets or sets the binding an XML Web service method is implementing an operation for.

Namespace:  System.Web.Services.Protocols
Assembly:  System.Web.Services (in System.Web.Services.dll)

public string Binding { get; set; }

Property Value

Type: System.String
The binding an XML Web service method is implementing an operation for. The default is the name of the XML Web service with "Soap" appended.

A binding, as defined by Web Services Description Language (WSDL), is similar to an interface in that it defines a concrete set of operations. With respect to XML Web services created using ASP.NET, each XML Web service method is an operation within a binding. XML Web service methods are members of either the default binding for an XML Web service or a binding specified within a WebServiceBindingAttribute applied to an XML Web service. An XML Web service can implement multiple bindings when multiple WebServiceBindingAttribute attributes are applied to an XML Web service.

Once one or more WebServiceBindingAttribute attributes are applied to an XML Web service, a SoapDocumentMethodAttribute or SoapRpcMethodAttribute can be applied to individual XML Web service methods to indicate the binding operation implemented by a particular XML Web service method. Set the Binding property of SoapDocumentMethodAttribute or SoapRpcMethodAttribute to specify the binding an XML Web service method is implementing an operation for. Only one SoapDocumentMethodAttribute or SoapRpcMethodAttribute can be applied to an XML Web service method. Therefore, an XML Web service method can only implement an operation for one binding.

For more information on the WSDL specification, see the W3C Web site (http://www.w3.org/TR/wsdl).

<%@ WebService Language="C#" class="BindingSample" %>
 using System;
 using System.Web.Services;
 using System.Web.Services.Protocols;

 // Binding is defined in this XML Web service and uses the default namespace.
 [ WebServiceBinding(Name="LocalBinding")]
 // Binding is defined in this XML Web service, but it is not a part of the default namespace.
 [ WebServiceBinding(Name="LocalBindingNonDefaultNamespace", Namespace="http://www.contoso.com/MyBinding")]
 // Binding is defined on a remote server, but this XML Web service implements
 // at least one operation in that binding.
 [ WebServiceBinding(Name="RemoteBinding",Namespace="http://www.contoso.com/MyBinding",                      Location="http://www.contoso.com/MySevice.asmx?wsdl")]
 public class BindingSample  {

      [ SoapDocumentMethod(Binding="LocalBinding")]
      [ WebMethod ]
	  public string LocalBindingMethod() {
       		return "Member of binding defined in this XML Web service and member of the default namespace";
      }
      [ SoapDocumentMethodAttribute(Binding="LocalBindingNonDefaultNamespace")] 
      [ WebMethod ]
	  public string LocalBindingNonDefaultNamespaceMethod() {
	  		return "Member of binding defined in this XML Web service, but a part of a different namespace.";
      }

     [ SoapDocumentMethodAttribute(Binding="RemoteBinding")] 
     [ WebMethod ]
	  public string RemoteBindingMethod() {
	  		return "Member of a binding defined on another server.";
      }

      [ WebMethod  ]
	  public string DefaultBindingMethod() {
	  		return "Member of the default binding.";
      }

 }   

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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