Hover in Gridviewrows using javascript in VB.NET

We can hover on gridview row using javascript onmouseover event. We can also change the color in code behind.

Protected Sub GridView1_RowDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs) Handles GridView1.RowDataBound
        Dim gv As GridViewRow
        For Each gv In GridView1.Rows

            If gv.RowType = DataControlRowType.DataRow Then

                 gv.Attributes.Add("onmouseover", "this.style.background='#3399FF';this.style.cursor='pointer';")
                 gv.Attributes.Add("onmouseout", "this.style.background='';")

             End If

        Next
    End Sub