public ChatDS.ChatDSDataTable GetMessages(string sessionId, Int32 num)
 {
     ChatDS.ChatDSDataTable dt = BllProxyChat.GetChatMessagesBySession(sessionId, num);
     return(dt);
 }
 public void SendMessage(string sessionId, UcTextChatMessage message)
 {
     BllProxyChat.InsertChatMessage(sessionId, message.SenderName, message.MessageText);
 }