控制DataGrid列样式(列宽,行颜色)

<asp:datagrid id="DataGrid1" style="Z-INDEX: 102; LEFT: 16px; WORD-BREAK: break-all; POSITION: absolute; TOP: 88px"
runat="server" HorizontalAlign="Left" ForeColor="Blue" BorderColor="#8080FF" PageSize="20"
AutoGenerateColumns="False" AllowPaging="True" ShowFooter="True" Width="856px" Font-Size="10pt">
<FooterStyle Font-Size="10pt" ForeColor="Transparent" VerticalAlign="Top"></FooterStyle>
<SelectedItemStyle Font-Size="10pt"></SelectedItemStyle>
<EditItemStyle Font-Size="10pt"></EditItemStyle>
<AlternatingItemStyle Font-Size="10pt"></AlternatingItemStyle>
<HeaderStyle HorizontalAlign="Center" VerticalAlign="Top"></HeaderStyle>
<Columns>