ajax 的问题

Question

  
     <asp:ScriptManager ID="ScriptManager1" runat="server" />
        <asp:UpdatePanel ID="UpdatePanel1" runat="server">
            <ContentTemplate>
                <asp:GridView ID="GridView1" runat="server"  AllowPaging="True"  OnPageIndexChanging="gvMemberList_PageIndexChanging">
                <Columns>
                      
            <asp:TemplateField HeaderText="选">
                        <HeaderStyle   CssClass="DGTitleL"/>
                        <ItemStyle HorizontalAlign="Center" />
                        <ItemTemplate>
                     
                       <asp:CheckBox ID="cbDel" runat="server"           OnCheckedChanged="cbdel_click"  AutoPostBack="true"    />
                       <input name="chk" type="checkbox" value="<%#Eval("ID")%>" />
                      </ItemTemplate>
                   
                    </asp:TemplateField>
       
                  <asp:TemplateField HeaderText="影片名称">
                        <HeaderStyle   CssClass="DGTitleL"/>
                        <ItemStyle HorizontalAlign="Center" />
                        <ItemTemplate>
                     
                       <A title="影片名称"  href='filmdetail.aspx?id=<%# DataBinder.Eval(Container.DataItem,"ID")%>'>
<%# DataBinder.Eval(Container.DataItem,"Name")%>
</A>
                        </ItemTemplate>
                    </asp:TemplateField>
       
            </Columns>
           
                </asp:GridView>
            </ContentTemplate>
            <Triggers>
                <asp:AsyncPostBackTrigger ControlID="GridView1" EventName="PageIndexChanged" />            </Triggers>
      
       
        </asp:UpdatePanel>
        <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
        <div>
   
    其中的checkbox 有个  OnCheckedChanged="cbdel_click"    事件 我想对这个事件也实行无刷 ，可是在            <Triggers> 属性里无法获得 checkbox 的 id  ，怎么办 ， 其实想做一个购物车 ，选中checkbox 后 ，加入购物车 ，但是不想让它刷页面  

Answer 1

不是放入到UPDATEPANEL中的控件都是可以实现无刷新的啊

Answer 2

  那么现在想要对 checkbox 的  OnCheckedChanged="cbdel_click" 这个事件实现无刷  该怎么办呢 

Answer 3

checkbox放入到UPDATEPANEL中的控件可以实现无刷新的啊
不知道你事件要干什么  如果和服务器打交道
使用ajax异步

Answer 4

<asp:ScriptManager ID="ScriptManager1" runat="server" /> 
        <asp:UpdatePanel ID="UpdatePanel1" runat="server"> 
            <ContentTemplate> 
                <asp:GridView ID="GridView1" runat="server"  AllowPaging="True"  OnPageIndexChanging="gvMemberList_PageIndexChanging"> 
                <Columns> 
                      
            <asp:TemplateField HeaderText="选"> 
                        <HeaderStyle  CssClass="DGTitleL"/> 
                        <ItemStyle HorizontalAlign="Center" /> 
                        <ItemTemplate> 
                     <asp:UpdatePanel ID="UpdatePanel1" runat="server"> 
            <ContentTemplate> 
                      <asp:CheckBox ID="cbDel" runat="server"          OnCheckedChanged="cbdel_click"  AutoPostBack="true"    /> 
</ItemTemplate> 
                    </asp:TemplateField> 
                      <input name="chk" type="checkbox" value=" <%#Eval("ID")%>" /> 
                      </ItemTemplate> 
                  
                    </asp:TemplateField> 
      
                  <asp:TemplateField HeaderText="影片名称"> 
                        <HeaderStyle  CssClass="DGTitleL"/> 
                        <ItemStyle HorizontalAlign="Center" /> 
                        <ItemTemplate> 
                    
                      <A title="影片名称"  href='filmdetail.aspx?id= <%# DataBinder.Eval(Container.DataItem,"ID")%>'> 
<%# DataBinder.Eval(Container.DataItem,"Name")%> 
</A> 
                        </ItemTemplate> 
                    </asp:TemplateField> 
      
            </Columns> 
          
                </asp:GridView> 
            </ContentTemplate> 
                  
      
        </asp:UpdatePanel> 
        <asp:Label ID="Label1" runat="server" Text="Label"> </asp:Label> 
        <div> 

Answer 5

<asp:ScriptManager ID="ScriptManager1" runat="server" /> 
        <asp:UpdatePanel ID="UpdatePanel1" runat="server"> 
            <ContentTemplate> 
                <asp:GridView ID="GridView1" runat="server"  AllowPaging="True"  OnPageIndexChanging="gvMemberList_PageIndexChanging"> 
                <Columns> 
                      
            <asp:TemplateField HeaderText="选"> 
                        <HeaderStyle  CssClass="DGTitleL"/> 
                        <ItemStyle HorizontalAlign="Center" /> 
                        <ItemTemplate> 
                    <asp:UpdatePanel ID="UpdatePanel1" runat="server"> 
            <ContentTemplate> 
                      <asp:CheckBox ID="cbDel" runat="server"          OnCheckedChanged="cbdel_click"  AutoPostBack="true"    /> 
</ContentTemplate> 
        </asp:UpdatePanel>                       <input name="chk" type="checkbox" value=" <%#Eval("ID")%>" /> 
                      </ItemTemplate> 
                  
                    </asp:TemplateField> 
      
                  <asp:TemplateField HeaderText="影片名称"> 
                        <HeaderStyle  CssClass="DGTitleL"/> 
                        <ItemStyle HorizontalAlign="Center" /> 
                        <ItemTemplate> 
                    
                      <A title="影片名称"  href='filmdetail.aspx?id= <%# DataBinder.Eval(Container.DataItem,"ID")%>'> 
<%# DataBinder.Eval(Container.DataItem,"Name")%> 
</A> 
                        </ItemTemplate> 
                    </asp:TemplateField> 
      
            </Columns> 
          
                </asp:GridView> 
            </ContentTemplate>       
      
        </asp:UpdatePanel> 
        <asp:Label ID="Label1" runat="server" Text="Label"> </asp:Label> 
        <div> 

Answer 6

<asp:ScriptManager ID="ScriptManager1" runat="server" />
        <asp:UpdatePanel ID="UpdatePanel1" runat="server">
            <ContentTemplate>
                <asp:GridView ID="GridView1" runat="server"  AllowPaging="True"  OnPageIndexChanging="gvMemberList_PageIndexChanging">
                <Columns>
                      
            <asp:TemplateField HeaderText="选">
                        <HeaderStyle   CssClass="DGTitleL"/>
                        <ItemStyle HorizontalAlign="Center" />
                        <ItemTemplate>
                     
             <asp:UpdatePanel ID="UpdatePanel2" runat="server"> 
            <ContentTemplate> 
 
                       <asp:CheckBox ID="cbDel" runat="server"       onclick="getValue_onclick()"     OnCheckedChanged="cbdel_click"   />
                    </ContentTemplate> 
       <Triggers>
       <asp:AsyncPostBackTrigger ControlID="cbDel" EventName="OnCheckedChanged" />
       
       </Triggers>
        </asp:UpdatePanel>                        <input name="chk" type="checkbox" value="<%#Eval("ID")%>" />
                      </ItemTemplate>
                   
                    </asp:TemplateField>
                               <asp:TemplateField HeaderText="影片名称">
                        <HeaderStyle   CssClass="DGTitleL"/>
                        <ItemStyle HorizontalAlign="Center" />
                        <ItemTemplate>
                     
                       <A title="影片名称"  href='filmdetail.aspx?id=<%# DataBinder.Eval(Container.DataItem,"ID")%>'>
<%# DataBinder.Eval(Container.DataItem,"Name")%>
</A>
                        </ItemTemplate>
                    </asp:TemplateField>
                      </asp:GridView>
            </ContentTemplate>
            <Triggers>
                <asp:AsyncPostBackTrigger ControlID="GridView1" EventName="PageIndexChanged" />
            </Triggers>
              </asp:UpdatePanel>报错         Could not find an event named 'OnCheckedChanged' on associated control 'cbDel' for the trigger in UpdatePanel 'UpdatePanel2'. 

Answer 7

<asp:UpdatePanel ID="UpdatePanel1" runat="server">在UpdatePanel 里面有个UpdateMode
设为“condition”