# AspNetPanel
To use the `AspNetPanel` control, simply set the `PageSource` property to the location of an existing .aspx document in the project.
{% hint style="info" %}
For a full list of properties, methods and events see the [API documentation.](http://docs.wisej.com/api)
{% endhint %}
## Features
### Page Source
Any ASP.NET or MVC page source can be shown in the `AspNetPanel` control.
Here's a sample page that converts text from lowercase to uppercase.
The corresponding code in the `PageSource`:
{% tabs %}
{% tab title="ASP.NET (C#)" %}
```aspnet
<% @Page Language="C#" %>
Change to Upper Case
Conversion to Upper Case
```
{% endtab %}
{% endtabs %}
## Advanced
### JavaScript Widget
| Item | Description |
| ---------------- | ------------------------------------------------------------------------------------------------------------------- |
| Class name | "wisej.web.IFrame" |
| Theme appearance | "iframe", see [Themes](https://docs.wisej.com/theme-builder/theme-elements/elements). |
| Child components | "frame" is the iframe element. See [JavaScript](https://docs.wisej.com/docs/concepts/javascript-object-model). |
| Source Code | [https://github.com/iceteagroup/wisej-js](https://github.com/iceteagroup/wisej-js/blob/master/wisej.web.TextBox.js) |