title: Button is not working with Update Panel
body: <p>I have placed a timer and a label for displaying countdown time in an update panel. I have placed the next button for displaying the next question outside the update panel.</p>
  
  <p>My problem is that the button click is not working with the update panel. Without using the update panel and the timer it works well. How can I solve the problem?</p>
  
  <p>I have also tried to place whole tools inside the update panel. It didn't help me.</p>
  
  <p><em>Here is my code:</em></p>
  
  <pre><code>&lt;asp:UpdatePanel ID="UpdatePanel1" runat="server"&gt;
    &lt;ContentTemplate&gt;
      &lt;table class="style1"&gt;
          &lt;tr&gt;
              &lt;td class="style2"&gt;
                  &lt;asp:Timer ID="Timer1" runat="server" Interval="1000" ontick="Timer1_Tick"&gt;
                  &lt;/asp:Timer&gt;
                  &lt;asp:Label ID="lblTimer" runat="server"&gt;&lt;/asp:Label&gt;
          &lt;/tr&gt;
          &lt;tr&gt;
              &lt;td style="margin-left: 40px" class="style3"&gt;
                  &lt;asp:Label ID="lblQuestion" runat="server"&gt;&lt;/asp:Label&gt;
              &lt;/td&gt;
          &lt;/tr&gt;
          &lt;/table&gt;
           &lt;/ContentTemplate&gt;
                   &lt;/asp:UpdatePanel&gt;
          &lt;table&gt;
          &lt;tr&gt;
              &lt;td style="margin-left: 40px" class="style2"&gt;
                  &lt;asp:RadioButtonList ID="rblOptions" runat="server"&gt;
                  &lt;/asp:RadioButtonList&gt;
              &lt;/td&gt;
          &lt;/tr&gt;
          &lt;tr&gt;
              &lt;td style="margin-left: 40px" class="style2"&gt;
                  &lt;table class="style1"&gt;
                      &lt;tr&gt;
                          &lt;td class="style2"&gt;
                              &lt;asp:Button ID="btnNext" runat="server" onclick="btnNext_Click" Text="Next"
                                      Width="75px" /&gt;
                          &lt;/td&gt;
                          &lt;td&gt;
  
                              &lt;asp:Button ID="btnFinish" runat="server" onclick="btnFinish_Click"
                                  Text="Finish" Width="75px" /&gt;
                          &lt;/td&gt;
                      &lt;/tr&gt;
                      &lt;tr&gt;
                          &lt;td class="style2"&gt;
                              &amp;nbsp;&lt;/td&gt;
                          &lt;td&gt;
                           &lt;asp:Label ID="lblScore" runat="server"&gt;Score : &lt;/asp:Label&gt;
                         &lt;/td&gt;
                     &lt;/tr&gt;
                  &lt;/table&gt;
              &lt;/td&gt;
          &lt;/tr&gt;
      &lt;/table&gt;
  &lt;asp:UpdatePanel&gt;
  </code></pre>
  
  <p>I added the following code.</p>
  
  <pre><code>&lt;Triggers&gt;
   &lt;asp:AsyncPostBackTrigger ControlID="btnNext" EventName="Click"/&gt;
  &lt;/Triggers&gt;
  </code></pre>
  
  <p>Still it didn't work. Could you please help me....</p>
  
  <p>The selection of radio button is automatically cleared when using update panel. Any help....?</p>
  
  <p>Thank you.... </p>