base64FromData

public static str base64FromData(container _data)
    {
        str base64;
 
        Bindata bindata;
        if(_data!=conNull())
        {
            bindata = new bindata();
 
            bindata.setData(_data);
 
            base64 = bindata.base64Encode();
        }
 
        return base64;
 
    }