try {
			String epc = read_TargetTag.getText().toString();
			String data_temp = data.getText().toString();

			int data_length = Integer.parseInt(length.getText()
					.toString(), 16);

			System.out.println("data length  " + data_length);
			if(data_length == 0 ){
			    data_length = data_temp.length()/4;
			}else{
			    data_length = Integer.parseInt(length.getText()
					.toString(), 16);
			}

			RcpTypeCTag tag = new RcpTypeCTag(epc.length() / 2,
					data_length);

			tag.password = Long.parseLong(password.getText()
					.toString(), 16);

			tag.epc = RcpLib.convertStringToByteArray(epc);

			tag.start_address = Integer.parseInt(address.getText()
					.toString(), 16);
			tag.data = RcpLib.convertStringToByteArray(data_temp);

			tag.memory_bank = option;

			RcpApi.writeToTagMemory(tag);
		} catch (Exception e) {
			//data.setText(e.toString());
			Toast.makeText(ReadActivity.this, e.toString(),
					Toast.LENGTH_SHORT).show();
		}