asp.net GridView控件鼠标移动某行改变背景颜色(方法一)

using System; 
using System.Data; 
using System.Configuration; 
using System.Collections; 
using System.Web; 
using System.Web.Security; 
using System.Web.UI; 
using System.Web.UI.WebControls; 
using System.Web.UI.WebControls.WebParts; 
using System.Web.UI.HtmlControls; 

public partial class Demo19 : System.Web.UI.Page 
{ 
protected void Page_Load(object sender, EventArgs e) 
{ 
if (Page.IsPostBack == false) 
{ 
BindData(); 
} 
} 

public void BindData() 
{ 
string strSql = "select UserID,C_Name,E_Name,UpdataDate,QQ from Demo_User "; 
DataTable dt = SqlHelper.ExecuteDataset(SqlHelper.CONN_STRING, CommandType.Text, strSql, null).Tables[0]; 

GridView.DataSource = dt; 
GridView.DataKeyNames = new string[] { "UserID" };//主键 
GridView.DataBind(); 
} 

protected void GridView_PageIndexChanging(object sender, GridViewPageEventArgs e) 
{ 
GridView.PageIndex = e.NewPageIndex; 
BindData(); 
} 

protected void GridView_RowDataBound(object sender, GridViewRowEventArgs e) 
{ 
if (e.Row.RowType == DataControlRowType.DataRow) 
{ 
//鼠标经过时，行背景色变 
e.Row.Attributes.Add("onmouseover", "this.style.backgroundColor='#00A9FF'"); 
//鼠标移出时，行背景色变 
e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor='#FFFFFF'"); 
} 
} 
} 

<table align="center" bgcolor="#c0de98" border="0" cellpadding="0" cellspacing="1" width="99%"> 
<tr> 
<th colspan="2"> 
GridView演示</th> 
</tr> 
<tr> 
<td colspan="2" style="width: 100%;" > 
<asp:GridView ID="GridView" runat="server" Width="100%" AutoGenerateColumns="False" AllowPaging="True" OnPageIndexChanging="GridView_PageIndexChanging" PageSize="12" OnRowDataBound="GridView_RowDataBound" > 
<Columns> 
<asp:BoundField DataField="UserID" HeaderText="UserID" /> 
<asp:BoundField DataField="C_Name" HeaderText="中文名字" /> 
<asp:BoundField DataField="E_Name" HeaderText="英文名字" /> 
<asp:BoundField DataField="QQ" HeaderText="QQ" /> 
<asp:BoundField DataField="UpdataDate" HeaderText="更新时间" /> 
</Columns> 
<RowStyle HorizontalAlign="Center" /> 
<PagerStyle HorizontalAlign="Right" /> 
</asp:GridView> 
</td> 
</tr> 
</table>