I have created a Custom Web Part using Visual Studio 2015. How do I add the Custom Web Part in the Web Part list page of Kentico Portal Engine.
Go to "Managing web parts in the system" section on this page to register your web part with in the Kentico installation so that you may use it across various templates.
I hope this helps.
You can register your custom webpart in the webparts module in Kentico.
Be sure to make the correct link to your webpart files.
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