GridView bug that fire RowCommand twice

I was trying my hands on .NET 3.5, and discover that Gridview was firing Rowcommand twice for my ImageButton that is draw using ButtonField Column. Later I found that this is  a bug/unexpected behaviour from out of the box Gridview. I found some solution on internet that can be seens in detail here:

It mainly suggest to use TemplateField column with imagebutton, as Imagebutton is not quite compatible with ButtonField. Rest you can read above for details on it.

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