public string ChatInfo(string mainId, string subId)
{
private_letter pl = new private_letter();
List <Hashtable> ht = pl.getChatInfo(mainId, subId);
JavaScriptSerializer js = new JavaScriptSerializer();
string strJson = js.Serialize(ht);
return(strJson);
}
public string sendChat(string send_id, string receiver_id, string content)
{
private_letter pl = new private_letter();
Hashtable ht = pl.send(send_id, receiver_id, content);
JavaScriptSerializer js = new JavaScriptSerializer();
string strJson = js.Serialize(ht);
return(strJson);
}
public string Contacts(string id)
{
private_letter pl = new private_letter();
List <Hashtable> ht = pl.getContacts(id);
JavaScriptSerializer js = new JavaScriptSerializer();
string strJson = js.Serialize(ht);
return(strJson);
}