ASPX頁面沒有渲染任何東西

這個頁面根本沒有渲染;這只是空白。我無法弄清楚。我找不到任何html錯誤。ASPX頁面沒有渲染任何東西

<%@Page Language="C#" AutoEventWireup="true" ValidateRequest="false" CodeBehind="EmailListManagement.aspx.cs" Inherits="Anzalone.Symba.Admin.EmailListManagement" MasterPageFile="~/Symba/MasterPages/Admin.Master" %> 

<asp:Content ContentPlaceHolderID="cphMain" runat="server"> 
<div style="margin-left: auto; margin-right: auto; width: 700px;"> 
    <h1>Email List Management</h1> 
    <div> 
     Select Email List: 
    <asp:DropDownList ID="ddlSelectEmailList" runat="server"> 
    </asp:DropDownList> 
    <br /> 
    <asp:Button ID="btnComposeEmailView" runat="server" Text="Compose Email" 
     onclick="btnComposeEmailView_Click" /> <asp:Button ID="btnManageListView" 
     runat="server" Text="Manage List" onclick="btnManageListView_Click" /> 
</div> 
<div> 
    <asp:MultiView ID="mvEmailListManagement" runat="server" ActiveViewIndex="0"> 
     <asp:View ID="viewEmpty" runat="server">    
     </asp:View> 
     <asp:View ID="viewComposeEmail" runat="server"> 
     <div style="margin-left: auto; margin-right: auto; width: 700px;"> 
      <div style="padding-left: 250px; font-size: large; font-weight: bold;">Compose Email</div> 
      Subject:&nbsp;<asp:TextBox ID="txtSubject" runat="server" Width="625px"></asp:TextBox> 
      <br /> 
      <asp:TextBox ID="txtEmailMessage" runat="server" TextMode="MultiLine" Rows="20" Width="600"></asp:TextBox> 
      <br /> 
      <div style="margin-left: 250px;"> 
       <asp:Label CssClass="NotificationMessage" ID="lblEmailMessage" runat="server" Visible="false"></asp:Label> 
       <br /> 
       <asp:Button ID="btnSendEmail" runat="server" Text="Send" 
        onclick="btnSendEmail_Click" /> <asp:Button ID="btnCancelEmail" 
        runat="server" Text="Cancel" onclick="btnCancelEmail_Click" /> 
      </div> 
     </div> 
     </asp:View> 
     <asp:View ID="viewManageList" runat="server"> 
     <div class="WidgetEditor"> 
       <div class="row"> 
       <span class="label"> 
        Mailing List Name: 
       </span> 
       <span class="formw"> 
       <asp:TextBox ID="txtMailingListName" runat="server"></asp:TextBox> 
       </span> 
       </div> 
       <div class="row"> 
       <span class="label"> 
        Smtp Server: 
       </span> 
       <span class="formw"> 
        <asp:TextBox ID="txtSmtpServer" runat="server"></asp:TextBox> 
       </span> 
       </div> 
       <div class="row"> 
       <span class="label"> 
        Port: 
       </span> 
       <span class="formw"> 
        <asp:TextBox ID="txtPort" runat="server"></asp:TextBox> 
       </span> 
       </div> 
       <div class="row"> 
       <span class="label"> 
        User Name: 
       </span> 
       <span class="formw"> 
        <asp:TextBox ID="txtUserName" runat="server"></asp:TextBox> 
       </span> 
       </div> 
       <div class="row"> 
       <span class="label"> 
        Password: 
       </span> 
       <span class="formw"> 
        <asp:TextBox ID="txtPassword" runat="server"></asp:TextBox> 
       </span> 
       </div> 
       <div class="row"> 
       <span class="label"> 
        Email From: 
       </span> 
       <span class="formw"> 
        <asp:TextBox ID="txtEmailFrom" runat="server"></asp:TextBox> 
       </span> 
       </div>  
       <div class="row" style="text-align: center;"> 
       <asp:Label CssClass="NotificationMessage" ID="lblMailingListUpdate" runat="server" Visible="false"></asp:Label> 
       </div> 
       <div class="row"> 
       <span class="label"><asp:Button ID="btnSave" runat="server" Text="Save" OnClick="btnSaveMailingListProperties_Click" /> </span> 
       <span class="formw"><asp:Button ID="btnCancel" runat="server" Text="Cancel" onclick="btnCancelManageList_Click"/></span> 
       </div> 
     </div> 
     <div> 
      <asp:GridView ID="gvRecipients" runat="server" AllowPaging="true" AllowSorting="true" AutoGenerateColumns="false" 
       OnRowCommand="gvRecipients_OnRowCommand" DataKeyNames="ID"> 
       <Columns>      
        <asp:BoundField DataField="EmailAddress" HeaderText="Email Address" SortExpression="EmailAddress" /> 
        <asp:BoundField DataField="LastName" HeaderText="Last Name" SortExpression="UserLastName" /> 
        <asp:BoundField DataField="FirstName" HeaderText="First Name" SortExpression="UserFirstName" />          
        <asp:CommandField InsertImageUrl="~/Symba/Images/icoAdd.gif" ShowInsertButton="true" 
         DeleteImageUrl="~/Symba/Images/icoDelete.png" ShowDeleteButton="true" />      
       </Columns> 
      </asp:GridView> 
     </div> 
     </asp:View> 
    </asp:MultiView> 
</div> 
</div> 
</asp:Content>

任何想法？

查看源文件呈現：

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> 
<HTML><HEAD> 
<META content="text/html; charset=windows-1252" http-equiv=Content-Type></HEAD> 
<BODY></BODY></HTML>

這裏是母版：

<%@ Master Language="C#" AutoEventWireup="true" CodeBehind="Admin.master.cs" Inherits="Anzalone.Symba.MasterPages.Admin" %> 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 

<html xmlns="http://www.w3.org/1999/xhtml"> 
<head runat="server"> 
    <title>Admin</title> 
    <asp:ContentPlaceHolder ID="head" runat="server"> 
    </asp:ContentPlaceHolder> 

<link href="../Styles/CSS/Symba.css" rel="stylesheet" type="text/css" />  

<script type="text/javascript" src="../../tinymce/jscripts/tiny_mce/tiny_mce.js"></script> 
<script type="text/javascript" src="../Scripts/SymbaScripts.js"></script> 

<script type="text/javascript"> 
    tinyMCE.init({ 
     // General options 
     mode: "textareas", 
     theme: "advanced", 
     plugins: "pagebreak,style,layer,table,save,advhr,advimage,advlink,emotions,iespell,insertdatetime,preview,media,searchreplace,print,contextmenu,paste,directionality,fullscreen,noneditable,visualchars,nonbreaking,xhtmlxtras,template,wordcount,advlist,autosave", 

     // Theme options 
     theme_advanced_buttons1: "save,newdocument,|,bold,italic,underline,strikethrough,|,justifyleft,justifycenter,justifyright,justifyfull,styleselect,formatselect,fontselect,fontsizeselect", 
     theme_advanced_buttons2: "cut,copy,paste,pastetext,pasteword,|,search,replace,|,bullist,numlist,|,outdent,indent,blockquote,|,undo,redo,|,link,unlink,anchor,image,cleanup,help,code,|,insertdate,inserttime,preview,|,forecolor,backcolor", 
     theme_advanced_buttons3: "tablecontrols,|,hr,removeformat,visualaid,|,sub,sup,|,charmap,emotions,iespell,media,advhr,|,print,|,ltr,rtl,|,fullscreen", 
     theme_advanced_buttons4: "insertlayer,moveforward,movebackward,absolute,|,styleprops,|,cite,abbr,acronym,del,ins,attribs,|,visualchars,nonbreaking,template,pagebreak,restoredraft", 
     theme_advanced_toolbar_location: "top", 
     theme_advanced_toolbar_align: "left", 
     theme_advanced_statusbar_location: "bottom", 
     theme_advanced_resizing: true, 
     relative_urls: false, 
     editor_deselector: "mceNoEditor", 


     // Example content CSS (should be your site CSS) 
     // using false to ensure that the default browser settings are used for best Accessibility 
     // ACCESSIBILITY SETTINGS   
     // Use browser preferred colors for dialogs. 
     browser_preferred_colors: true, 
     detect_highcontrast: true, 

     // Drop lists for link/image/media/template dialogs 
     template_external_list_url: "lists/template_list.js", 
     external_link_list_url: "lists/link_list.js", 
     external_image_list_url: "lists/image_list.js", 
     media_external_list_url: "lists/media_list.js", 

     // Style formats 
     style_formats: [ 
     { title: 'Bold text', inline: 'b' }, 
     { title: 'Red text', inline: 'span', styles: { color: '#ff0000'} }, 
     { title: 'Red header', block: 'h1', styles: { color: '#ff0000'} }, 
     { title: 'Example 1', inline: 'span', classes: 'example1' }, 
     { title: 'Example 2', inline: 'span', classes: 'example2' }, 
     { title: 'Table styles' }, 
     { title: 'Table row 1', selector: 'tr', classes: 'tablerow1' } 
    ], 

     // Replace values for the template plugin 
     template_replace_values: { 
      username: "Some User", 
      staffid: "991234" 
     }, 
     valid_elements: "*[*]", 
     extended_valid_elements: "*[*]" 
    }); 
</script> 
</head> 
<body> 
<form id="form1" runat="server"> 
<div> 
    <asp:ContentPlaceHolder ID="cphMain" runat="server"> 

    </asp:ContentPlaceHolder> 
</div> 
</form> 
</body> 
</html>

而且它在Visual Studio設計視圖出現了。

來源

2011-06-23 Jonathan Henson

它是否依賴於在ContentPlaceHolder cphMain上呈現頁面的母版頁？查看呈現頁面的HTML源代碼是什麼顯示？ –

見上文。是的，它依賴於母版頁，但其他頁面正在使用母版頁並呈現正常。 –

對不起，我第一次錯過了。我會試圖暫時刪除asp：content標籤和masterpagefile元素，只是看它是如何呈現它自己的權利。然後通過HTML驗證器傳遞呈現的HTML，以查看它是否全部正常並且如您所期望的那樣。考慮到上面的格式化，很難確定可能會出現什麼問題。 –

我懷疑它與你在那裏的HTML有什麼關係。爲了診斷它，只用熊的必需品創建一個全新的頁面。例如，留在母版頁中，但刪除Inherits和所有其他的guff。嘗試以下方法;

<%@Page Language="C#" AutoEventWireup="true" ValidateRequest="false" CodeBehind="MyNewPage.aspx.cs" MasterPageFile="~/Symba/MasterPages/Admin.Master" %> 

<asp:Content ID="Content4" ContentPlaceHolderID="head" runat="server"> 
<%-- Something in the head --%> 
</asp:Content> 

<asp:Content ID="Content3" ContentPlaceHolderID="cphMain" runat="server"> 
bah 
</asp:Content>

作爲附加幫助，在頁面和母版頁的代碼隱藏中加入斷點以查看它是否正在加載。

一旦這些工作，重新添加上面列出，以確定是什麼原因造成的問題，你的內容。它可能是頁面代碼隱藏的內容。

來源

2011-06-23 07:41:03

它從來沒有使它的代碼隱藏。 –

其他網頁的工作。我正在逐步加入並一次添加一小部分。當我找到它時，我會讓每個人都知道它是什麼。 –

只是出於好奇，如果您完全消除了對masterpage的依賴，請在背後的代碼中斷點被擊中？我的意思是，從@Page指令以及asp：Content元素中刪除MasterPageFile元素。 –

仔細檢查鏈接到母版文件：

 

MasterPageFile="~/Symba/MasterPages/Admin.Master"

然後內容元素的名稱：cphMain

來源

2011-06-23 06:54:02 basarat

這是我用於該目錄級別的所有其他頁面的鏈接。另外cphMain在intelisense中出現了，所以我認爲所有這些都是正確的，因爲visual studio選擇它。 –

母版頁源將對調試這個有用。 – basarat

是否選擇這個頁面作爲啓動頁面。否則檢查母版頁是匹配的ContentPlaceHolderID="cphMain"。

來源

2011-06-23 06:54:45 Bibhu

這不是一個啓動頁面，並且是ContentPlaceHolderID的匹配項。 –

ASPX頁面沒有渲染任何東西

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