Modalpopupextender不起作用

我正在尝试开发每次单击图像时都会打开多于弹出窗口的页面。当我点击这个图片时，出现一个弹出式菜单，根据页面中的一些文本框，gridview充满了数据。问题是，当我第一次写页面时，它的工作，但它不是。Modalpopupextender不起作用

后面的代码是

ImageButton lb = sender as ImageButton; 
    string shipto = ddlShipto.SelectedValue.ToString(); 
    TMWWS.BusinessLogic.ProfileII objPlants = new     TMWWS.BusinessLogic.ProfileII(shipto); 
    DataTable dt = objPlants.getPlantsPerShipto(); 
    gvPlant.DataSource = dt; 
    gvPlant.DataBind(); 
    this.upPlant.Update(); 
    //pnlPlant.Visible = true; 
    pnlPlant_ModalPopupExtender.Show(); 



    <asp:ScriptManager ID="ScriptManager1" runat="server"> 
    </asp:ScriptManager> 

    <legend>Order Header</legend> 
    <span class="failureNotification" style="color:green"> 
     <asp:Literal ID="lblMessage" runat="server"></asp:Literal> 
    </span> 

    <p> 
     <asp:Label ID="TransactionLabel" runat="server" 
      AssociatedControlID="txtTransaction" Height="22px" Width="248px">Transaction Number</asp:Label> 
     <asp:TextBox ID="txtTransaction" runat="server" CssClass="textEntry" 
      Enabled="False"></asp:TextBox> 
    </p> 

    <p> 
     <asp:Label ID="ShipToLabel" runat="server" 
      AssociatedControlID="txtTransaction" Height="22px" Width="248px">ShipTo</asp:Label> 
     <asp:DropDownList ID="ddlShipto" runat="server" CssClass="textEntry" 
      ></asp:DropDownList> 
    </p> 

    <p> 
     <asp:Label ID="FeedCodeLabel" runat="server" AssociatedControlID="txtFeedCode" 
      Height="21px" Width="320px">Feed Code</asp:Label> 
     <asp:TextBox ID="txtFeedCode" runat="server" CssClass="textEntry">888</asp:TextBox> 
     <asp:RequiredFieldValidator ID="FeedCodeRequired" runat="server" ControlToValidate="txtFeedCode" 
       CssClass="failureNotification" ErrorMessage="Feed Code is required." ToolTip="Feed Code is required." 
       ValidationGroup="OrderValidationGroup">*</asp:RequiredFieldValidator> 
    </p> 

    <p> 
     <asp:Label ID="PlantLabel" runat="server" AssociatedControlID="txtPlant" 
      Height="21px" Width="320px">Plant</asp:Label> 

     <asp:TextBox ID="txtPlant" runat="server"></asp:TextBox> 
     <asp:ImageButton ID="ImgBtnPlant" runat="server" 
       onclick="ImageButton1_Click" ImageUrl="~/Icons/Plant.png" /> 
    </p> 

    <asp:UpdatePanel ID="upPlant" runat="server" UpdateMode="Conditional"> 
    <ContentTemplate> 
     <asp:Panel runat="server" Visible="false" BorderColor="Black" ID="pnlPlant"> 
     <asp:Button ID="BtnShowDialog" Style="display:none" runat="server" Width="120" Text="Filter" /> 
     <asp:Label ID="LblPopupHeader" runat="server" Text="Plant-Filter"></asp:Label> 
     <asp:GridView ID="gvPlant" runat="server" AutoGenerateColumns="False" 
      DataKeyNames="Plant" onrowcommand="gvPlant_RowCommand"> 
      <Columns> 
       <asp:BoundField DataField="Plant" HeaderText="Plant" SortExpression="Plant" /> 
       <asp:BoundField DataField="PlantName" HeaderText="PlantName" 
        SortExpression="PlantName" /> 
       <asp:ButtonField Text="Button" /> 
      </Columns> 
     </asp:GridView> 
     </asp:Panel> 
     <ajaxToolkit:ModalPopupExtender ID="pnlPlant_ModalPopupExtender" runat="server" 
      DynamicServicePath="" Enabled="True" TargetControlID="pnlPlant" PopupControlID="BtnShowDialog"> 
     </ajaxToolkit:ModalPopupExtender> 
    </ContentTemplate> 
    </asp:UpdatePanel>

来源

2012-04-07 MasterOn

你可以尝试使用弹出式扩展来代替。这是一个棘手的事情，我有同样的问题，我试图使用弹出式扩展替代。这是一些代码片段。

<asp:LinkButton ID="LnkOrder" runat="server" BehaviorID="pop" CssClass="PopupMenu" CommandName="LnkOrder">Order</asp:LinkButton> 
        <asp:PopupControlExtender ID="LnkOrder_PopupControlExtender" 
        runat="server" DynamicServicePath="" Enabled="True" ExtenderControlID="" 
        PopupControlID="PopupMove" TargetControlID="LnkOrder"> 
       </asp:PopupControlExtender>

另外我你需要隐藏弹出窗口尝试使用此javascript。不要忘记更改BehaviorID。这里是javascript

$find('pop').hide();

来源

2012-06-23 13:35:32 amrswalha

此外，您可以从Ajax工具包下载最新版本。我已经下载它并将它添加到我的VS中的工具箱。现在它工作正常这里是下载链接：

Latest ajax toolkit version

来源

2012-06-23 13:46:39 amrswalha

Modalpopupextender不起作用

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