GridView

CommandArgument="<%# Container.DataItemIndex %>"

CommandArgument="<%# ((GridViewRow) Container).RowIndex %>"

RowCommand(){
   GridViewRow row = (GridViewRow)(((LinkButton)e.CommandSource).NamingContainer);

}

<div style="overflow: auto; width: 100%; max-height: 130px">
</div>

<RowStyle CssClass="GridItem" />
<AlternatingRowStyle CssClass="GridAltItem" />
<HeaderStyle CssClass="GridHeader" />