<ItemTemplate>
                         <asp:Label ID="lblProvider" runat="server" Text='<%#Eval("Provider") %>' />
                    </ItemTemplate>

<asp:TemplateField HeaderText="Picture" SortExpression="Picture" >
                    <ItemTemplate>
                        <asp:Label ID="lblimage" runat="server" Text='<%#Eval("Picture") %>' />
                     </ItemTemplate>
              </asp:TemplateField>