| A1:
|
System.Web.Services.WebService
|
| A2:
| WebService attribute is applied to a class providing a Web Service. It describes the Web Service. WebService directive identifies a file as containing a Web Service. |
| A3:
| Use the Web Service attribute to specify a namespace to uniquely identify a service. |
| A4:
| The Invoke method is used for a synchronous call; BeginInvoke is used for asynchronous. |
| A5:
| Use the Timeout property on the Web Service object to set the timeout in milliseconds. |
| A6:
| The <Service> element contains the target URL for a Web Service. |
| A7:
| A Web method requires the SoapHeader attribute to access the SOAP header info. |
| A8:
| BeginInvoke with polling using the IsCompleted property to check for a response. BeginInvoke with EndInvoke to retrieve results. Call <web service name>Async and implement event handler to process response. |
