protected override string CreatePayload()
{
/*<StartRoleOperation xmlns="http://schemas.microsoft.com/windowsazure" xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
<OperationType>StartRoleOperation</OperationType>
</StartRoleOperation>*/
XNamespace ns = "http://schemas.microsoft.com/windowsazure";
var doc = new XDocument(
new XDeclaration("1.0", "utf-8", ""),
new XElement(ns + "StartRoleOperation",
new XElement(ns + "OperationType", "StartRoleOperation")));
return doc.ToStringFullXmlDeclaration();
}