“无法获取属性'appendChild'的值:对象为空或未定义”，同时在新窗口中打开页面
本文关键字：未定义 在新窗口中打开 对象 获取 属性 appendChild 的值 | 更新日期: 2023-09-27 17:56:38
我在新窗口中打开网页时收到以下javascript异常
无法获取属性 'appendChild' 的值：对象为 null 或未定义。
我使用window.open函数在新窗口中打开我的页面，尽管此异常仅出现在IE浏览器中。
以下是我的网页
<%@ Page Title="" Language="C#" AutoEventWireup="true"
MasterPageFile="~/Page.Master"
CodeBehind="DocumentForm.aspx.cs" Inherits="Docunet.WebViewer.DocumentForm" %>
<%@ Register Assembly="Atalasoft.dotImage.WebControls" Namespace="Atalasoft.Imaging.WebControls"
TagPrefix="cc1" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="asp" %>
<asp:Content ID="head" ContentPlaceHolderID="headContentPlaceHolder" runat="server">
<link href='<%# "Styles/DocumentFormStyles" + this.GetGlobalResourceObject("Layout", "Culture").ToString() + ".css" %>' rel="stylesheet" type="text/css" />
</asp:Content>
<asp:Content ID="content" ContentPlaceHolderID="contentContentPlaceHolder" runat="server">
<div id="mainTitleBox" class="MainTitleBox">
<asp:Label ID="mainTitleLabel" runat="server"
class="MainTitle"
meta:resourceKey="mainTitleLabel" Text=""></asp:Label>
</div>
<asp:UpdatePanel ID="updatePanel" runat="server">
<ContentTemplate>
<div id="viewBox" class="ViewBox">
<div class="instanceDataBox">
<asp:TabContainer ID="tabContainer" runat="server" ActiveTabIndex="0" >
<asp:TabPanel ID="generalTabPanel" runat="server"
CssClass="Text"
meta:resourceKey="generalTabPanel" HeaderText="" >
<ContentTemplate>
<div class="Text">
<p class='<%# this.ReadRecordMode ? "DataParagraph" : "EditModeDataParagraph" %>'>
<asp:Label ID="numberTitleLabel" runat="server"
CssClass="titleControl"
meta:resourceKey="numberTitleLabel" Text="<%# this.NumberFieldName %>" ></asp:Label>
<asp:Label ID="numberLabel" runat="server"
CssClass="valueControl"
Visible="<%# this.ReadRecordMode %>"></asp:Label>
<br />
</p>
<p class='<%# this.ReadRecordMode ? "DataParagraph" : "EditModeDataParagraph" %>'>
<asp:Label ID="yearTitleLabel" runat="server"
CssClass="titleControl"
meta:resourceKey="yearTitleLabel" Text="<%# this.YearFieldName %>" ></asp:Label>
<asp:Label ID="yearLabel" runat="server"
CssClass="valueControl"
Visible="<%# this.ReadRecordMode %>"></asp:Label>
<br />
</p>
<p class='<%# this.ReadRecordMode ? "DataParagraph" : "EditModeDataParagraph" %>'>
<asp:Label ID="codeTitleLabel" runat="server"
CssClass="titleControl"
meta:resourceKey="codeTitleLabel" Text="<%# this.CodeFieldName %>" ></asp:Label>
<asp:Label ID="codeLabel" runat="server"
CssClass="valueControl"
Visible="<%# this.ReadRecordMode %>"></asp:Label>
<br />
</p>
<p class='<%# this.ReadRecordMode ? "DataParagraph" : "EditModeDataParagraph" %>'>
<asp:Label ID="categoryTitleLabel" runat="server"
CssClass="titleControl"
meta:resourceKey="categoryTitleLabel" Text="<%# this.CategoryFieldName %>" ></asp:Label>
<asp:Label ID="categoryLabel" runat="server"
CssClass="valueControl"
Visible="<%# this.ReadRecordMode %>"></asp:Label>
<br />
</p>
<p class='<%# this.ReadRecordMode ? "DataParagraph" : "EditModeDataParagraph" %>'>
<asp:Label ID="dateTitleLabel" runat="server"
CssClass="titleControl"
meta:resourceKey="dateTitleLabel" Text="<%# this.DateFieldName %>" ></asp:Label>
<asp:Label ID="dateLabel" runat="server"
CssClass="valueControl"
Visible="<%# this.ReadRecordMode %>"></asp:Label>
<br />
</p>
<p class='<%# this.ReadRecordMode ? "DataParagraph" : "EditModeDataParagraph" %>'>
<asp:Label ID="archiveDocumentTitleLabel" runat="server"
CssClass="titleControl"
meta:resourceKey="archiveDocumentTitleLabel" Text="<%# this.ArchiveDocumentFieldName %>" ></asp:Label>
<asp:Label ID="archiveDocumentLabel" runat="server"
CssClass="valueControl"
Visible="<%# this.ReadRecordMode %>"></asp:Label>
<br />
</p>
<p class='<%# this.ReadRecordMode ? "DataParagraph" : "EditModeDataParagraph" %>' style="height:70px;" >
<asp:Label ID="subjectTitleLabel" runat="server"
CssClass="titleControl"
meta:resourceKey="subjectTitleLabel" Text="<%# this.SubjectFieldName %>" ></asp:Label>
<asp:Label ID="subjectLabel" runat="server"
CssClass="valueControl"
Visible="<%# this.ReadRecordMode %>"></asp:Label>
<br />
</p>
<p class='<%# this.ReadRecordMode ? "DataParagraph" : "EditModeDataParagraph" %>' style="height:70px;" >
<asp:Label ID="notesTitleLabel" runat="server"
CssClass="titleControl"
meta:resourceKey="notesTitleLabel" Text="<%# this.NotesFieldName %>" ></asp:Label>
<asp:Label ID="notesLabel" runat="server"
CssClass="valueControl"
Visible="<%# this.ReadRecordMode %>"></asp:Label>
<br />
</p>
<p class='<%# this.ReadRecordMode ? "DataParagraph" : "EditModeDataParagraph" %>'>
<asp:Label ID="mainDocumentNumberTitleLabel" runat="server"
CssClass="titleControl"
meta:resourceKey="mainDocumentNumberTitleLabel" Text="<%# this.MainDocumentNumberFieldName %>" ></asp:Label>
<asp:Label ID="mainDocumentNumberLabel" runat="server"
CssClass="valueControl"
Visible="<%# this.ReadRecordMode %>"></asp:Label>
<br />
</p>
<p class='<%# this.ReadRecordMode ? "DataParagraph" : "EditModeDataParagraph" %>'>
<asp:Label ID="mainDocumentDateTitleLabel" runat="server"
CssClass="titleControl"
meta:resourceKey="mainDocumentDateTitleLabel" Text="<%# this.MainDocumentDateFieldName %>" ></asp:Label>
<asp:Label ID="mainDocumentDateLabel" runat="server"
CssClass="valueControl"
Visible="<%# this.ReadRecordMode %>"></asp:Label>
<br />
</p>
</div>
</ContentTemplate>
</asp:TabPanel>
<asp:TabPanel ID="relatedDocumentsTabPanel" runat="server"
CssClass="Text"
meta:resourceKey="relatedDocumentsTabPanel" HeaderText="" >
<ContentTemplate>
<div class="Text">
<asp:GridView ID="relatedDocumentsGridView" runat="server"
BorderWidth="0px" GridLines="Horizontal"
AutoGenerateColumns="False" ShowHeaderWhenEmpty="true"
DataKeyNames="ID"
onrowdatabound="relatedDocumentsGridView_RowDataBound"
onselectedindexchanged="gridView_SelectedIndexChanged" >
<Columns>
<asp:BoundField DataField="ID" Visible="false" />
<asp:TemplateField meta:resourceKey="relatedDocumentsGridViewColorField" HeaderText="" >
<HeaderStyle CssClass="gridViewHeaderStyle RelatedDocumentColorGridViewHeader" />
<ItemStyle CssClass="gridViewItemStyle RelatedDocumentColorGridViewItem" />
<ItemTemplate>
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="SerialNumber" meta:resourceKey="relatedDocumentsGridViewSerialNumberField" HeaderText="" >
<HeaderStyle CssClass="gridViewHeaderStyle RelatedDocumentSerialNumberGridViewHeader" />
<ItemStyle CssClass="gridViewItemStyle RelatedDocumentSerialNumberGridViewItem" />
</asp:BoundField>
<asp:BoundField DataField="Code" meta:resourceKey="relatedDocumentsGridViewCodeField" HeaderText="" >
<HeaderStyle CssClass="gridViewHeaderStyle RelatedDocumentCodeGridViewHeader" />
<ItemStyle CssClass="gridViewItemStyle RelatedDocumentCodeGridViewItem" />
</asp:BoundField>
<asp:BoundField DataField="Subject" meta:resourceKey="relatedDocumentsGridViewSubjectField" HeaderText="" >
<HeaderStyle CssClass="gridViewHeaderStyle RelatedDocumentSubjectGridViewHeader" />
<ItemStyle CssClass="gridViewItemStyle RelatedDocumentSubjectGridViewItem" />
</asp:BoundField>
<asp:BoundField DataField="DateAsString" meta:resourceKey="relatedDocumentsGridViewCreationDateField" HeaderText="" >
<HeaderStyle CssClass="gridViewHeaderStyle RelatedDocumentCreationDateGridViewHeader" />
<ItemStyle CssClass="gridViewItemStyle RelatedDocumentCreationDateGridViewItem" />
</asp:BoundField>
</Columns>
<EmptyDataTemplate>
<div>
<a> <%# this.GetGlobalResourceObject("Messages", "EmptyList") %> </a>
</div>
</EmptyDataTemplate>
<PagerSettings Visible="False" />
<RowStyle CssClass="gridViewRow" />
<SelectedRowStyle CssClass="selectedGridViewRow" />
</asp:GridView>
</div>
</ContentTemplate>
</asp:TabPanel>
<asp:TabPanel ID="attachmentsTabPanel" runat="server"
CssClass="Text"
meta:resourceKey="attachmentsTabPanel" HeaderText="" >
<ContentTemplate>
<div class="Text">
<asp:DataList ID="documentAttachmentsDataList" runat="server" Height="78px"
RepeatDirection="Horizontal" Width="62px" RepeatColumns="5">
<ItemTemplate>
<div align="center">
<asp:Image ID="imgAttach" ImageUrl='<%# isAvail(Eval("ATTTYPE", "~/Images/{0}.jpg"))%>' Width="100px" Height="100px" runat="server" />
</div>
<div align="center">
<asp:LinkButton ID="lbAttach" runat="server" Text="<%# Bind('NAME') %>" onclick="lbAttach_Click" Font-Size="16"></asp:LinkButton>
<asp:Label ID="lblID" style='display:none' runat="server" Text="<%# Bind('ID') %>"></asp:Label>
</div>
</ItemTemplate>
</asp:DataList>
<asp:GridView ID="attachmentsGridView" runat="server"
BorderWidth="0px" GridLines="Horizontal"
AutoGenerateColumns="False" ShowHeaderWhenEmpty="true"
DataKeyNames="ID"
onrowdatabound="gridView_RowDataBound"
onselectedindexchanged="gridView_SelectedIndexChanged" >
<Columns>
<asp:BoundField DataField="ID" Visible="false" />
<asp:BoundField DataField="NAME" meta:resourceKey="attachmentsGridViewNameField" HeaderText="" >
<HeaderStyle CssClass="gridViewHeaderStyle AttachmentNameGridViewHeader" />
<ItemStyle CssClass="gridViewItemStyle AttachmentNameGridViewItem" />
</asp:BoundField>
<asp:BoundField DataField="CREATEDATE" meta:resourceKey="attachmentsGridViewCreationDateField" HeaderText="" >
<HeaderStyle CssClass="gridViewHeaderStyle AttachmentCreationDateGridViewHeader" />
<ItemStyle CssClass="gridViewItemStyle AttachmentCreationDateGridViewItem" />
</asp:BoundField>
<asp:BoundField DataField="FILENAME" meta:resourceKey="attachmentsGridViewFileField" HeaderText="" >
<HeaderStyle CssClass="gridViewHeaderStyle AttachmentFileGridViewHeader" />
<ItemStyle CssClass="gridViewItemStyle AttachmentFileGridViewItem" />
</asp:BoundField>
<asp:BoundField DataField="ATTTYPE" meta:resourceKey="attachmentsGridViewFileTypeField" HeaderText="" >
<HeaderStyle CssClass="gridViewHeaderStyle AttachmentFileTypeGridViewHeader" />
<ItemStyle CssClass="gridViewItemStyle AttachmentFileTypeGridViewItem" />
</asp:BoundField>
</Columns>
<EmptyDataTemplate>
<div>
<a> <%# this.GetGlobalResourceObject("Messages", "EmptyList") %> </a>
</div>
</EmptyDataTemplate>
<PagerSettings Visible="False" />
<RowStyle CssClass="gridViewRow" />
<SelectedRowStyle CssClass="selectedGridViewRow" />
</asp:GridView>
</div>
</ContentTemplate>
</asp:TabPanel>
<asp:TabPanel ID="imagesTabPanel" runat="server"
CssClass="Text"
meta:resourceKey="imagesTabPanel" HeaderText="" >
<ContentTemplate>
<table style="border:1px solid black; width:100%;" >
<tr>
<td style="vertical-align:top; border-right:1px solid black; width:295px;">
<cc1:WebThumbnailViewer ID="documentImageWebThumbnailViewer" runat="server"
Height="500px"
ViewerID="documentImagesWebImageViewer"
OnSelectedIndexChanged="documentImageWebThumbnailViewer_SelectedIndexChanged" />
</td>
<td style="vertical-align:top;">
<cc1:WebImageViewer ID="documentImagesWebImageViewer" runat="server"
Height="500px" Width="100%" />
</td>
</tr>
</table>
</ContentTemplate>
</asp:TabPanel>
<asp:TabPanel ID="copiesTabPanel" runat="server"
CssClass="Text"
meta:resourceKey="copiesTabPanel" HeaderText="" >
<ContentTemplate>
<div class="Text">
<asp:GridView ID="copiesGridView" runat="server"
BorderWidth="0px" GridLines="Horizontal"
AutoGenerateColumns="False" ShowHeaderWhenEmpty="true"
DataKeyNames="ID"
onrowdatabound="gridView_RowDataBound"
onselectedindexchanged="gridView_SelectedIndexChanged" >
<Columns>
<asp:BoundField DataField="ID" Visible="false" />
<asp:BoundField DataField="SerialNumber" meta:resourceKey="copiesGridViewSerialNumberField" HeaderText="" >
<HeaderStyle CssClass="gridViewHeaderStyle CopiesSerialNumberGridViewHeader" />
<ItemStyle CssClass="gridViewItemStyle CopiesSerialNumberGridViewItem" />
</asp:BoundField>
<asp:BoundField DataField="TargetType" meta:resourceKey="copiesGridViewTargetTypeField" HeaderText="" >
<HeaderStyle CssClass="gridViewHeaderStyle CopiesTargetTypeGridViewHeader" />
<ItemStyle CssClass="gridViewItemStyle CopiesTargetTypeGridViewItem" />
</asp:BoundField>
<asp:BoundField DataField="Target" meta:resourceKey="copiesGridViewTargetNameField" HeaderText="" >
<HeaderStyle CssClass="gridViewHeaderStyle CopiesTargetNameGridViewHeader" />
<ItemStyle CssClass="gridViewItemStyle CopiesTargetNameGridViewItem" />
</asp:BoundField>
</Columns>
<EmptyDataTemplate>
<div>
<a> <%# this.GetGlobalResourceObject("Messages", "EmptyList") %> </a>
</div>
</EmptyDataTemplate>
<PagerSettings Visible="False" />
<RowStyle CssClass="gridViewRow" />
<SelectedRowStyle CssClass="selectedGridViewRow" />
</asp:GridView>
</div>
</ContentTemplate>
</asp:TabPanel>
<asp:TabPanel ID="additionalFieldsTabPanel" runat="server"
CssClass="Text"
meta:resourceKey="additionalFieldsTabPanel" HeaderText="" >
<ContentTemplate>
<div class="Text">
<asp:GridView ID="additionalFieldsGridView" runat="server"
BorderWidth="0px" GridLines="Horizontal"
AutoGenerateColumns="False" ShowHeaderWhenEmpty="true"
DataKeyNames="ID"
onrowdatabound="gridView_RowDataBound"
onselectedindexchanged="gridView_SelectedIndexChanged" >
<Columns>
<asp:BoundField DataField="ID" Visible="false" />
<asp:BoundField DataField="Name" meta:resourceKey="additionalFieldsGridViewNameField" HeaderText="" >
<HeaderStyle CssClass="gridViewHeaderStyle AdditionalFieldNameGridViewHeader" />
<ItemStyle CssClass="gridViewItemStyle AdditionalFieldNameGridViewItem" />
</asp:BoundField>
<asp:BoundField DataField="Value" meta:resourceKey="additionalFieldsGridViewValueField" HeaderText="" >
<HeaderStyle CssClass="gridViewHeaderStyle AdditionalFieldValueGridViewHeader" />
<ItemStyle CssClass="gridViewItemStyle AdditionalFieldValueGridViewItem" />
</asp:BoundField>
</Columns>
<EmptyDataTemplate>
<div>
<a> <%# this.GetGlobalResourceObject("Messages", "EmptyList") %> </a>
</div>
</EmptyDataTemplate>
<PagerSettings Visible="False" />
<RowStyle CssClass="gridViewRow" />
<SelectedRowStyle CssClass="selectedGridViewRow" />
</asp:GridView>
</div>
</ContentTemplate>
</asp:TabPanel>
</asp:TabContainer>
</div>
</div>
</ContentTemplate>
</asp:UpdatePanel>
您正在加载的页面必须包含一些 javascript 函数，您尝试在其中将子项附加到未初始化的对象。
其他浏览器将忽略该错误并在IE中断时继续加载。在 javascript 中调试您的 OnLoad 代码并找到发生这种情况的位置。
只需添加以下检查：
if(myObj != undefined){
myObj.AppendChild(child)
}