Posts Tagged ‘WCF’

Hi,

I was getting the following “Network Error” on calling WCF Service using XMLHttpRequest within an html page through JavaScript.

I was using IE 10 in a Windows 8 machine.

After some searching found out that this is a known issue.

http://bugs.jquery.com/ticket/12790

Running the same in compatibility mode worked properly.

Hope it helps.

We were getting the above error while testing one of our WCF service. On syncing the clock of our client and server machine we were able to resolve the issue.

This helped us resolve the issue

http://social.msdn.microsoft.com/Forums/eu/wcf/thread/eccf2b09-6ea1-4663-9ddf-af29901ea60a

Bye.

 

Using JavaScript to consume a WCF service

Posted: November 18, 2010 in WCF
Tags:

Suppose this is our simple WCF service which takes the name as input and returns the resulting string with Hello appended to it.

namespace HelloWorldWCFService{
[ServiceContract]
public interface IService1
{
[OperationContract]
string GetData(string name);
}
}

namespace HelloWorldWCFService{
public class Service1 : IService1 {
public string GetData(string name) {
return “Hello “ + name;

}}}
It uses BasicHttpBinding.

Now this would be our JavaScript function which can consume the above WCF service.

function MyRequest() {var xmlhttp = new XMLHttpRequest();

xmlhttp.open(‘POST’, http://localhost:64833/Service1.svc’, false);xmlhttp.setRequestHeader(‘SOAPAction’, http://tempuri.org/IService1/GetData’);

xmlhttp.setRequestHeader(‘Content-Type’, ‘text/xml’);
var data = ;

data += ‘<s:Envelope xmlns:s=”http://schemas.xmlsoap.org/soap/envelope/”>&#8217;;data += ‘ <s:Body>’;

data += ‘ <GetData xmlns=”http://tempuri.org/”>&#8217;;

data += ‘ <name>Nishant</name>’;

data += ‘ </GetData>’;

data += ‘ </s:Body>’;

data += ‘</s:Envelope>’;xmlhttp.send(data);

alert(“status = “ + xmlhttp.status);alert(“status text = “ + xmlhttp.statusText);

alert(xmlhttp.responseText); 

}

Here for

xmlhttp.setRequestHeader(‘SOAPAction’, http://tempuri.org/IService1/GetData&#8217;); 

We can get the value for SOAPAction from the wsdl of the WCF service. 

Open the http://localhost:64833/Service1.svc?wsdl

Search for soapAction there.

We would find soapAction value there.

<wsdl:operation name=”GetData“>  <soap:operation
soapAction=”http://tempuri.org/IService1/GetData style=”document” />
<wsdl:input>

Hope it helps !