# Adding with a dynamic textbox

**URL:** https://forum.kirupa.com/t/adding-with-a-dynamic-textbox/235016
**Category:** flash
**Created:** [August 7, 2007, 8:12pm UTC](https://forum.kirupa.com/t/adding-with-a-dynamic-textbox/235016 "2007-08-07T20:12:44Z")
**Posts on this page:** 1
**Page:** 1

<div class="post-metadata">

### Author: ![333](https://avatars.discourse-cdn.com/v4/letter/3/5daacb/32.png) [@333](https://forum.kirupa.com/u/333)
#### Post date: [August 7, 2007, 8:12pm UTC](https://forum.kirupa.com/t/adding-with-a-dynamic-textbox/235016/1 "2007-08-07T20:12:44Z")

</div>

How can I add with a dynamic textbox. I used a dynamic textbox called dtext with the value 20.

this.dtext.text = this.dtext.text + 100

But, it came out as 20100.  
Can someone give me the code to add it on to the number not the end of the number.
