Untitled

        <br />
        <br />
        <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
        <br />

        <div class="form-group">
            <asp:Button class="btn btn-success" ID="btnTopla" runat="server" Text="Topla" OnClick="btnTopla_Click" />
            <asp:Button class="btn btn-danger" ID="btnTemizle" runat="server" Text="Temizle" OnClick="btnTemizle_Click" />
        </div>