In this post we will discuss how to get the 4 part assembly name of a custom web part in SharePoint 2010. Also you can check out my previous posts on:
Follow below steps:
Add the webpart to SharePoint 2010 site (Edit the page, Click on Add webpart link from And the from the Ribbon add the webpart to the page).
Once you will add the web part, go to Edit web part as shown in the figure below.
Then from the web part properties go to Advance and then in the Export mode Select Export all data as shown in the figure below.
Then click on OK.
After that click on Export. as shown in the figure below.
Then it will ask you to save the web part. Save the webpart in your local drive and open that file in notepad. It will give you everything about the webpart.