سلام

شما کد خودت رو بزار تا من برات اون قسمت رو اضافه کنم

<asp:GridView ID="GridView1" runat="server" AllowSorting="True"
        AutoGenerateColumns="False" BackColor="White" BorderColor="#3366CC"
        BorderStyle="None" BorderWidth="1px" CellPadding="4" DataKeyNames="id"
        DataSourceID="SqlDataSource1" Width="100%">
        <Columns>
            <asp:CommandField DeleteText="حذف" EditText="ویرایش"
                HeaderImageUrl="~/imgSite/del.jpg" HeaderText="عملیات" ShowDeleteButton="True">
            <ItemStyle Width="50px" />
            </asp:CommandField>
            <asp:BoundField DataField="id" HeaderText="کد" InsertVisible="False"
                ReadOnly="True" SortExpression="id">
            <ItemStyle Width="40px" />
            </asp:BoundField>
            <asp:BoundField DataField="onvan" HeaderText="عنوان" SortExpression="onvan" />
            <asp:TemplateField HeaderText="تصویر">
                <ItemTemplate>
                    <asp:Image ID="Image2" runat="server" Height="96px"
                        ImageUrl='<%# Eval("pic","~/imgSave/{0}") %>' Width="129px" />
                </ItemTemplate>
                <ItemStyle Width="150px" />
            </asp:TemplateField>
        </Columns>
        <FooterStyle BackColor="#99CCCC" ForeColor="#003399" />
        <HeaderStyle BackColor="#003399" Font-Bold="True" ForeColor="#CCCCFF" />
        <PagerStyle BackColor="#99CCCC" ForeColor="#003399" HorizontalAlign="Left" />
        <RowStyle BackColor="White" ForeColor="#003399" />
        <SelectedRowStyle BackColor="#009999" Font-Bold="True" ForeColor="#CCFF99" />
        <SortedAscendingCellStyle BackColor="#EDF6F6" />
        <SortedAscendingHeaderStyle BackColor="#0D4AC4" />
        <SortedDescendingCellStyle BackColor="#D6DFDF" />
        <SortedDescendingHeaderStyle BackColor="#002876" />
    </asp:GridView>