# Open the Designer

For this tutorial we will use the Wisej.NET Web Page Application template. In the Solution Explorer on the right-hand side,  double click on “Page1.cs” to open the designer. You may have to wait a few seconds for an icon to appear next to Page1.cs. Once the icon has appeared, you can double click to open the designer.

<figure><img src="/files/IPSH4ytiyHfWhzFLd2OW" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/a2Ivv0HHaLABDUqZpxfd" alt=""><figcaption></figcaption></figure>

{% hint style="info" %}
If you aren't seeing the icon next to Page1.cs, edit the Page1.cs file and save it. You can make a small edit such as adding a new line. This will generally trigger the icon to change. If that doesn't work, you can try pressing shift+F7 while editing the Page1.cs file.
{% endhint %}

If you ever get any errors while trying to open the designer, the simplest solution is to do a clean and rebuild. Simply right-click on "WisejWebPageApplication1" in the Solution Explorer and choose "Clean", then right-click and choose "Rebuild".

Once the designer is opened it will look like this:

<figure><img src="/files/tUczT8Le8Lo7oe45P64M" alt=""><figcaption></figcaption></figure>

If you click on the arrow by Page1.cs, you'll notice another file-Page1.Designer.cs. This file is automatically generated and is edited whenever you add or edit items in the designer. It's not recommended to edit this file directly. However, it can sometimes be helpful to look at it to see what code is going on behind the scenes.


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