//constructor
public ReturnData()
{
_status = DataList.CodeStatus.Ok;
_message = "";
_data = null;
}
public ReturnData(DataList.CodeStatus status = 0, string message = "", object data = null)
{
_status = status;
_message = message;
_data = data;
}
public CException(DataList.CodeStatus status, string message) : base(message)
{
_status = status;
}