Edit and Update particular row from gridview in another page

Hello, is there any good examples out there for not only passing row of gridview to another page but also able to update/edit and display the gridview at the first page? I would have use this page as guide, but its not in use anymore :
http://www.aspdotnet-suresh.com/2011/02/how-to-send-gridview-row-values-to.html
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