DataList的获取值的问题

Question

在一个Datalist里我定义了三个label和一个image还有1个button 我想在点击这个button时获取3个label的值 当然 能获的image的路径更好 该怎么办?? 本人是菜鸟 请大侠们说的详细些 谢谢  
本人在线 立回立结 

Answer 1

回4楼的大侠:
datalist
                    image
                                        label1 
                                        label2
                        button1
以上是布局图 image label button代表控件
当点击button时 获取label1和2的值  image label button在datalist中 应该怎么办????

Answer 2

还有 当点击button时会激发datalist什么什么事件??
换句话说就是在datalist什么事件里写?????

Answer 3

                <asp:DataList ID="DataList1" runat="server" RepeatColumns="4" RepeatDirection="Horizontal" CellPadding="1" CellSpacing="20" OnCancelCommand="DataList1_CancelCommand" OnDataBinding="DataList1_DataBinding" OnDeleteCommand="DataList1_DeleteCommand" OnDisposed="DataList1_Disposed" OnEditCommand="DataList1_EditCommand" OnInit="DataList1_Init" OnItemCommand="DataList1_ItemCommand" OnItemCreated="DataList1_ItemCreated" OnSelectedIndexChanged="DataList1_SelectedIndexChanged" OnUnload="DataList1_Unload" OnUpdateCommand="DataList1_UpdateCommand">
                    <ItemTemplate>
                        <table class="table">
                            <tr>
                                <td rowspan="1" style="width: 100px">
                                    <asp:Label ID="Label2" runat="server" Text="名称："></asp:Label></td>
                                <td style="width: 100px">
                                    <asp:Label ID="lblName" runat="server" Text='<%#Eval("goodsname") %>'></asp:Label></td>
                            </tr>
                            <tr>
                                <td rowspan="3" style="width: 100px">
                                    <asp:ImageButton ID="ImageButton1" runat="server" Height="100px" Width="90px" ImageUrl='<%#Eval("goodscover")%>' PostBackUrl='<%#Eval("goodsid","GoodsParticularInfos.aspx?goodsid={0}")%>'/></td>
                                <td style="width: 100px">
                                    &nbsp;</td>
                            </tr>
                            <tr>
                                <td style="width: 100px">
                                    <asp:Label ID="Label3" runat="server" Text="原价："></asp:Label>
                                    <asp:Label ID="lblOldPrice" runat="server" Text='<%#Eval("oldprice","{0:c}") %>'></asp:Label></td>
                            </tr>
                            <tr>
                                <td style="width: 100px">
                                    <asp:Label ID="Label4" runat="server" Text="现价："></asp:Label>
                                    <asp:Label ID="lblNewPrice" runat="server" Text='<%# Eval("newprice","{0:c}") %>' ForeColor="Red"></asp:Label></td>
                            </tr>
                            <tr>
                                <td style="width: 100px">
                                    <asp:Button ID="bntShopCar" runat="server" Text="添加购物车" /></td>
                                <td style="width: 100px">
                                    <asp:Button ID="bnt123" runat="server" Text="添加收藏夹" /></td>
                            </tr>
                        </table>
                    </ItemTemplate>
                </asp:DataList>

Answer 4

<asp:DataList ID="DataList1" runat="server" RepeatColumns="4" RepeatDirection="Horizontal" CellPadding="1" CellSpacing="20" >
                    <ItemTemplate>
                        <table class="table">
                            <tr>
                                <td rowspan="1" style="width: 100px">
                                    <asp:Label ID="Label2" runat="server" Text="名称："></asp:Label></td>
                                <td style="width: 100px">
                                    <asp:Label ID="lblName" runat="server" Text='<%#Eval("goodsname") %>'></asp:Label></td>
                            </tr>
                            <tr>
                                <td rowspan="3" style="width: 100px">
                                    <asp:ImageButton ID="ImageButton1" runat="server" Height="100px" Width="90px" ImageUrl='<%#Eval("goodscover")%>' PostBackUrl='<%#Eval("goodsid","GoodsParticularInfos.aspx?goodsid={0}")%>'/></td>
                                <td style="width: 100px">
                                    &nbsp;</td>
                            </tr>
                            <tr>
                                <td style="width: 100px">
                                    <asp:Label ID="Label3" runat="server" Text="原价："></asp:Label>
                                    <asp:Label ID="lblOldPrice" runat="server" Text='<%#Eval("oldprice","{0:c}") %>'></asp:Label></td>
                            </tr>
                            <tr>
                                <td style="width: 100px">
                                    <asp:Label ID="Label4" runat="server" Text="现价："></asp:Label>
                                    <asp:Label ID="lblNewPrice" runat="server" Text='<%# Eval("newprice","{0:c}") %>' ForeColor="Red"></asp:Label></td>
                            </tr>
                            <tr>
                                <td style="width: 100px">
                                    <asp:Button ID="bntShopCar" runat="server" Text="添加购物车" /></td>
                                <td style="width: 100px">
                                    <asp:Button ID="bnt123" runat="server" Text="添加收藏夹" /></td>
                            </tr>
                        </table>
                    </ItemTemplate>
                </asp:DataList>

Answer 5

FindControl(lable1) 行吗？ 

Answer 6

说出来大侠别生气哈  
我现在是一点头绪也没有 刚才我把datalist里的事件都点出来看会走哪个  结果很不理想
我现在都不知道该往button里写什么  当点击后会激发datalist的什么事件???

Answer 7

在Button按钮加CommandArgument属性
<asp:Button ID="bntShopCar" runat="server" Text="添加购物车"  CommandArgument='<%# Eval("goodsid") %>'/> 点出按钮 会激发DATALIST 的itemCommand事件
protected void list_ItemCommand(object source, DataListCommandEventArgs e)
  {
   //这里可以获取goodsid的值了
    string goodsId= e.CommandArgument.ToString();
    // Add the product to the shopping cart
   //可以利用goodsid把产品放到购物车里
  }
我是正在培训，也有好多不懂，不知上面对你有用不，呵呵

Answer 8

唉 不能激发事件 点button什么都没有发生 我设置了断点 根本就没走 我郁闷 
而且我现在的问题理论上你是解决了 可实际上还是没  我要实现的是不与数据库交互来实现该功能
所以要三个值 是不是有点贪心不足了  呵呵 明天加分 现在不能加 要一天的时间

Answer 9

要不在Button按钮再加CommandName属性 
<asp:Button ID="bntShopCar" runat="server" Text="添加购物车" CommandName ="ShopCar" CommandArgument=' <%# Eval("goodsid") %>'/> 
然后在DATALIST 的itemCommand事件里写：protected void list_ItemCommand(object source, DataListCommandEventArgs e) 
  { 
    if (e.CommandName == "ShopCar")
      {
        //这里可以获取goodsid的值了 
         string goodsId= e.CommandArgument.ToString(); 
        // Add the product to the shopping cart 
        //可以利用goodsid把产品放到购物车里 
        }
  } 

Answer 10

问题的原因我找到了 我郁闷的要死 说实话 以上的方法我都试了 而且是在CSDN发贴以前 
可是全都不对  最后用了个button单击事件解决了  等解决后才发现最终的原因是什么  
那叫一个吐血啊！！！

Answer 11

？是不是IF（！IsPostBack()）
呵呵，我也搞了好长时间，刚搞出来，郁闷~~`

Answer 12

给你一个提醒，可以把datalist中的值先读到后台
（（全局）string goodsId= e.CommandArgument.ToString(); ）  
然后在通过
（valus="<%# Eval("GoodsID") %>"）再把值取到前台
应该可以
我也是最近做了一个关于datalist控件的一个项目，希望能帮到你