Let's begin with Default.aspx. Open Toolbox (remember, Ctrl+Alt+X) and then insert a Label control simply as a place to hold some output. Let's also place a TextBox control above the Label control. Grab a TextBox control, and drag and drop it into the page. Now, the last thing to do to set this up is to put a <br> tag at the end of the TextBox line. Our simple user interface is shown in the following screenshot:
![](https://static.packt-cdn.com/products/9781788296540/graphics/assets/a2c0ae2a-feee-4fad-bb26-a5e8dbe2297e.png)
Figure 5.3.1: Our simple user interface