Try this:
<asp:GridView ID="GridViews1" runat="server" BackColor="White"
BorderColor="#DEDFDE" BorderStyle="None" BorderWidth="1px" CellPadding="4"
ForeColor="Black" GridLines="Vertical"
onselectedindexchanged="GridViews1_SelectedIndexChanged">
<Columns>
<asp:TemplateField>
<ItemTemplate>
<img src='<%# Eval("Photo") %>' alt='<%# Eval("Name") %>' />
</ItemTemplate>
</asp:TemplateField>
</Columns>
<AlternatingRowStyle BackColor="White" />
<FooterStyle BackColor="#CCCC99" />
<HeaderStyle BackColor="#6B696B" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="#F7F7DE" ForeColor="Black" HorizontalAlign="Right" />
<RowStyle BackColor="#F7F7DE" />
<SelectedRowStyle BackColor="#CE5D5A" Font-Bold="True" ForeColor="White" />
<SortedAscendingCellStyle BackColor="#FBFBF2" />
<SortedAscendingHeaderStyle BackColor="#848384" />
<SortedDescendingCellStyle BackColor="#EAEAD3" />
<SortedDescendingHeaderStyle BackColor="#575357" />
</asp:GridView>