title: Update Panel is not partial refresh the Gridview
body: <p>Hi Have use a GridView inside the Update Panel but it is not partially refresh the GridView i will take CheckBox Inside the ItemTemplate and set their Trigger when i will check the CheckBox whole gridview is refresh but i want to refresh only Respected row when i will check the checkbox here i show the full code.<br>
      </p>
  
  <pre><code>                                            &lt;ContentTemplate&gt;
                                                  &lt;asp:GridView ID="gvrank" class="table table-bordered" runat="server" GridLines="None" Width="470px" ForeColor="#333333"
                                                      AutoGenerateColumns="False" OnDataBound="gvrank_DataBound" OnRowDataBound="gvrank_RowDataBound"&gt;
                                                      &lt;AlternatingRowStyle BackColor="White" ForeColor="#284775"&gt;&lt;/AlternatingRowStyle&gt;
  
                                                      &lt;Columns&gt;
                                                          &lt;asp:TemplateField&gt;
                                                              &lt;HeaderTemplate&gt;
                                                                  &lt;asp:CheckBox ID="chkBxHeader5" onclick="javascript:HeaderClick5(this);" OnCheckedChanged="chkBxHeader5_CheckedChanged" AutoPostBack="true" runat="server" /&gt;
                                                              &lt;/HeaderTemplate&gt;
  
                                                              &lt;ItemTemplate&gt;
                                                                  &lt;asp:UpdatePanel ID="up" UpdateMode="Conditional" runat="server"&gt;
                                                                      &lt;Triggers&gt;
                                                                           &lt;asp:AsyncPostBackTrigger ControlID="chkBxSelect5" EventName="CheckedChanged" /&gt;
  
                                                                          &lt;asp:AsyncPostBackTrigger ControlID="gvrank" EventName="DataBound" /&gt;
                                                                      &lt;/Triggers&gt;
                                                                      &lt;ContentTemplate&gt;
                                                                          &lt;asp:CheckBox ID="chkBxSelect5" runat="server" AutoPostBack="true" OnCheckedChanged="chkBxSelect5_CheckedChanged" /&gt;
                                                                      &lt;/ContentTemplate&gt;
  
                                                                  &lt;/asp:UpdatePanel&gt;
                                                              &lt;/ItemTemplate&gt;
                                                              &lt;ItemStyle Width="5%" HorizontalAlign="Center" /&gt;
                                                              &lt;HeaderStyle Width="5%" HorizontalAlign="Center" /&gt;
                                                          &lt;/asp:TemplateField&gt;
                                                          &lt;asp:TemplateField HeaderText="Rank"&gt;
                                                              &lt;ItemTemplate&gt;
                                                                  &lt;asp:HiddenField ID="lblrankids" runat="server" Value='&lt;%# Bind("rankid") %&gt;'&gt;&lt;/asp:HiddenField&gt;
                                                                  &lt;asp:Label ID="lblranks" runat="server" Text='&lt;%# Bind("rank") %&gt;'&gt;&lt;/asp:Label&gt;
                                                              &lt;/ItemTemplate&gt;
                                                              &lt;HeaderStyle Width="90%"&gt;&lt;/HeaderStyle&gt;
                                                              &lt;ItemStyle Width="90%"&gt;&lt;/ItemStyle&gt;
                                                          &lt;/asp:TemplateField&gt;
                                                          &lt;asp:TemplateField HeaderText="No of days"&gt;
                                                              &lt;ItemTemplate&gt;
                                                                  &lt;asp:TextBox ID="txtdays" runat="server" Width="68px"&gt;&lt;/asp:TextBox&gt;
                                                              &lt;/ItemTemplate&gt;
                                                              &lt;HeaderStyle Width="30%"&gt;&lt;/HeaderStyle&gt;
                                                              &lt;ItemStyle Width="30%"&gt;&lt;/ItemStyle&gt;
                                                          &lt;/asp:TemplateField&gt;
  
                                                      &lt;/Columns&gt;
                                                      &lt;EditRowStyle BackColor="#999999"&gt;&lt;/EditRowStyle&gt;
                                                      &lt;FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White"&gt;&lt;/FooterStyle&gt;
                                                      &lt;HeaderStyle BackColor="#5D7B9D" ForeColor="WhiteSmoke"&gt;&lt;/HeaderStyle&gt;
                                                      &lt;PagerStyle HorizontalAlign="Center" BackColor="#284775" ForeColor="White"&gt;&lt;/PagerStyle&gt;
                                                      &lt;RowStyle BackColor="#F7F6F3" ForeColor="#333333"&gt;&lt;/RowStyle&gt;
                                                      &lt;SelectedRowStyle BackColor="LightSteelBlue" Font-Bold="True" ForeColor="#333333"&gt;&lt;/SelectedRowStyle&gt;
  
                                                  &lt;/asp:GridView&gt;
                                              &lt;/ContentTemplate&gt;
                                          &lt;/asp:UpdatePanel&gt;
  </code></pre>