asp.net gridview美化

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="msgid" DataSourceID="SqlDataSource1" BackColor="#DDDDDD" BorderStyle="None" BorderWidth="1px" CellPadding="5" CellSpacing="1" GridLines="None" style="line-height:22px; width:100%;" AllowPaging="True"> <RowStyle BackColor="#ffffff" ForeColor="Black" /> <Columns> <asp:TemplateField> <HeaderTemplate> <asp:CheckBox ID="CheckBox1" runat="server" Text="全 选" oncheckedchanged="CheckBox1_CheckedChanged" AutoPostBack="true" /> </HeaderTemplate> <ItemTemplate> <asp:CheckBox ID="CheckBox2" runat="server" /> </ItemTemplate> <ItemStyle Width="60px" /> </asp:TemplateField> <asp:BoundField DataField="user1" HeaderText="发件人" SortExpression="user1" > <ItemStyle Width="100px" /> </asp:BoundField> <asp:TemplateField HeaderText="主 题" SortExpression="msgtitle"> <EditItemTemplate> <asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("msgtitle") %>'> </asp:TextBox> </EditItemTemplate> <ItemTemplate> <a href=' realmail.aspx?mailid=<%#Eval("msgid") %>'> <%#Eval("msgtitle") %> </a> </ItemTemplate> </asp:TemplateField> <asp:BoundField DataField="sendtime" HeaderText="时 间" SortExpression="sendtime" > <ItemStyle Width="150px" /> </asp:BoundField> <asp:TemplateField HeaderText="操 作"> <ItemTemplate> 回复  <asp:LinkButton ID="LinkButton1" runat="server" CommandName="Delete" >删除</asp:LinkButton> </ItemTemplate> <ItemStyle Width="60px" /> </asp:TemplateField> </Columns> <FooterStyle BackColor="#CCCCCC" ForeColor="Black" /> <PagerStyle BackColor="#ffffff" HorizontalAlign="left" /> <HeaderStyle BackColor="#efefef" Font-Bold="True" /> <AlternatingRowStyle BackColor="#f7fafe" /> </asp:GridView>