protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)...{ if (e.Row.RowType == DataControlRowType.DataRow) ...{ e.Row.Attributes.Add("onmouseover", "currentcolor=this.style.backgroundColor;this.style.backgroundColor='#6699ff';"); e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=currentcolor;"); }}