protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e) ...{ if(e.Row.RowType==DataControlRowType.DataRow) ...{ e.Row.Attributes.Add("onmouseover","c=this.style.backgroundColor;this.style.backgroundColor='#00ffee'"); e.Row.Attributes.Add("onmouseout","this.style.backgroundColor=c"); } }