/// <summary>
/// Begins an asynchronous request to an Internet resource.
/// </summary>
/// <param name="source">source of execute (DataServiceQuery or DataServiceContext</param>
/// <param name="context">context</param>
/// <param name="callback">The AsyncCallback delegate.</param>
/// <param name="state">The state object for this request.</param>
/// <param name="method">async method name.</param>
/// <returns>An IAsyncResult that references the asynchronous request for a response.</returns>
internal IAsyncResult BeginExecute(object source, DataServiceContext context, AsyncCallback callback, object state, string method)
{
QueryResult result = this.CreateExecuteResult(source, context, callback, state, method);
result.BeginExecuteQuery();
return(result);
}
