Wcf webHttpBinding And Sending Objects:-

While using webHttpBinding in wcf service we have to send json data.Wcf internally uses the DataContractSerializer to convert json data into objects.

WcfService:-

namespace WebHttpBindingXmlHttpRequestWcf
{
  [ServiceContract]
  public interface IService
  {
    [OperationContract]
          Person GetData(Person objPerson);
   }

  [DataContract]

  public class Person

  {

   [DataMember]

   public string Name { get; set; }

   [DataMember]

   public string Age { get; set; }

  }

 }    

namespace WebHttpBindingXmlHttpRequestWcf
{ 
   public class Service : IService
    {  
     public Person GetData(Person objPerson)
          {
         return objPerson;
          }
      }
}

<system.serviceModel>

   <services>
     <service name="WebHttpBindingXmlHttpRequestWcf.Service">
       <endpoint address="webHttpBinding" 

binding="webHttpBinding" 

contract="WebHttpBindingXmlHttpRequestWcf.IService"

behaviorConfiguration="webHttpBindingEndpointBehavior">

       </endpoint>
     </service>
   </services>

    <behaviors>

       <endpointBehaviors>

         <behavior name="webHttpBindingEndpointBehavior">

           <enableWebScript/>

         </behavior>

       </endpointBehaviors>

   </behaviors>

 </system.serviceModel>

Javascript File:-

//call the wcf service

function callservice(objPerson)

{

      //url of the service

      var url=’’;

       //here the name(objPerson) must match with the name in the operation contract

       var data = '{"objPerson":' + $.toJSON(objPerson) + '}';

//jquery ajax function to call wcf service

$.ajax({ type: 'POST',

        async: true,

        url: url,

        contentType: 'application/json; charset=utf-8',

        data: data,

        success: function (res) { alert(‘success...’); },

        error: function (err) { alert(‘error occurred...’); }

    });

}

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