public void ReturnBook()
{
try
{//show a loading message
View.ShowLoading();
using (IServiceClientProxy proxy = new IServiceClientProxy(binding, new ProtocolVersion11()))
{
//execute the return request
int bookId = LibraryModelSingleton.Instance.Book.ID;
int userId = LibraryModelSingleton.Instance.User.ID;
GiveBackBook returnRequest = new GiveBackBook() { bookID = bookId, userID = userId };
var response = proxy.GiveBackBook(returnRequest);
//show positive a message if the result is valid otherwise a negative message
//and return in the welcome page
state = InnerState.WELCOME;
string msg = (response.GiveBackBookResult) ? OPERATION_COMPLETED_MSG : OPERATION_FAILED_MSG;
View.ShowMessageWithButton(msg, () => { View.ShowWelcomePage(); });
}
}
//show a message and then returns in the login page
catch (Exception) { View.ShowMessageWithButton(ERROR_MSG, () => { this.Logout(); }); }
}
public override object ReadObject(XmlReader reader)
{
GiveBackBook GiveBackBookField = null;
if (IsParentStartElement(reader, false, true))
{
GiveBackBookField = new GiveBackBook();
reader.Read();
if (IsChildStartElement(reader, "userID", false, false))
{
reader.Read();
GiveBackBookField.userID = XmlConvert.ToInt32(reader.ReadString());
reader.ReadEndElement();
}
if (IsChildStartElement(reader, "bookID", false, false))
{
reader.Read();
GiveBackBookField.bookID = XmlConvert.ToInt32(reader.ReadString());
reader.ReadEndElement();
}
reader.ReadEndElement();
}
return GiveBackBookField;
}
public virtual GiveBackBookResponse GiveBackBook(GiveBackBook req)
{
// Create request header
String action;
action = "http://tempuri.org/IService/GiveBackBook";
WsWsaHeader header;
header = new WsWsaHeader(action, null, EndpointAddress, m_version.AnonymousUri, null, null);
WsMessage request = new WsMessage(header, req, WsPrefix.None);
// Create request serializer
GiveBackBookDataContractSerializer reqDcs;
reqDcs = new GiveBackBookDataContractSerializer("GiveBackBook", "http://tempuri.org/");
request.Serializer = reqDcs;
request.Method = "GiveBackBook";
// Send service request
m_requestChannel.Open();
WsMessage response = m_requestChannel.Request(request);
m_requestChannel.Close();
// Process response
GiveBackBookResponseDataContractSerializer respDcs;
respDcs = new GiveBackBookResponseDataContractSerializer("GiveBackBookResponse", "http://tempuri.org/");
GiveBackBookResponse resp;
resp = ((GiveBackBookResponse)(respDcs.ReadObject(response.Reader)));
response.Reader.Dispose();
response.Reader = null;
return resp;
}
