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: http://forums.asp.net/p/1002747/1324414.aspx#1324414 It…