嗨，我有一个Webforms项目，其中包含代码隐藏的每个页面的程序集。当我运行我的项目时，我发现了这个错误 [英] Hi, I have a Webforms project that contains assemblies for every page where is the code-behind. When I run my project I found this error
本文介绍了嗨，我有一个Webforms项目，其中包含代码隐藏的每个页面的程序集。当我运行我的项目时，我发现了这个错误的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
[NullReferenceException：对象引用未设置为对象的实例。]
DBAccess.setConnString（）+77
DBAccess。 .ctor（）+140
_Default..ctor（）+49
ASP.default_aspx..ctor（）in c：\ Users \DELL \ AppData \本地\Temp \Temporary ASP.NET Files \root \7b316ac0\74a3eae4 \App_Web_default.aspx.cdcab7d2.marfntd9.0.cs：0
__ASP.FastObjectFactory_app_web_default_aspx_cdcab7d2_marfntd9.Create_ASP_default_aspx （）in c：\ Users \DELL \ AppData \ Local \ Temp \Temporary ASP.NET Files \root \7b316ac0 \\\ t \\ aa4 \ App_Web_default.aspx.cdcab7d2.marfntd9.1.cs： 0
System.Web.Compilation.BuildResultCompiledType.CreateInstance（）+30
System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath（VirtualPath virtualPath，Type requiredBaseType，HttpContext context，Boolean allowCrossApp）+100
System.Web.UI.PageHandl erFactory.GetHandlerHelper（HttpContext context，String requestType，VirtualPath virtualPath，String physicalPath）+31
System.Web.UI.PageHandlerFactory.GetHandler（HttpContext context，String requestType，String virtualPath，String path）+37
System.Web.MaterializeHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute（）+ 346
System.Web.HttpApplication.ExecuteStep（IExecutionStep step，Boolean&已完成异步）+155
我的Default.aspx代码：
[NullReferenceException: Object reference not set to an instance of an object.]
DBAccess.setConnString() +77
DBAccess..ctor() +140
_Default..ctor() +49
ASP.default_aspx..ctor() in c:\Users\DELL\AppData\Local\Temp\Temporary ASP.NET Files\root\7b316ac0\74a3eae4\App_Web_default.aspx.cdcab7d2.marfntd9.0.cs:0
__ASP.FastObjectFactory_app_web_default_aspx_cdcab7d2_marfntd9.Create_ASP_default_aspx() in c:\Users\DELL\AppData\Local\Temp\Temporary ASP.NET Files\root\7b316ac0\74a3eae4\App_Web_default.aspx.cdcab7d2.marfntd9.1.cs:0
System.Web.Compilation.BuildResultCompiledType.CreateInstance() +30
System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath(VirtualPath virtualPath, Type requiredBaseType, HttpContext context, Boolean allowCrossApp) +100
System.Web.UI.PageHandlerFactory.GetHandlerHelper(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath) +31
System.Web.UI.PageHandlerFactory.GetHandler(HttpContext context, String requestType, String virtualPath, String path) +37
System.Web.MaterializeHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +346
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +155
my Default.aspx code:
<%@ Page Title=" " Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true" Inherits="_Default, App_Web_oscnz2mo" Culture="auto" UICulture="auto" meta:resourcekey="PageResource2" EnableViewStateMac="false" EnableEventValidation="false" ViewStateEncryptionMode="Never" %>
<%@ Register Src="Poll.ascx" TagName="Poll" TagPrefix="uc2" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">
<script type="text/javascript" src="js/preview2.js"></script>
<script type="text/javascript" src="js/jquery.wt-scroller.min2.js"></script>
<link rel="stylesheet" type="text/css" href="css/wt-scroller2.css" />
<script src="http://widgets.twimg.com/j/2/widget.js"></script>
<script type="text/javascript">
$(document).ready(function () {
$(".ColorIcon div").click(function (e) {
$(".loading img").attr("src", "loading/" + $(this).attr('color') + ".gif");
});
$(".example7in").colorbox({ width: "650px", height: "410px", iframe: true });
$(".example8in").colorbox({ width: "650px", height: "410px", iframe: true });
$('.viewVideo').click(function () {
$('.viewVideo').hide();
$('#viewVideo2').hide();
$('.loading img').show();
$.get("Ajax.aspx", { job: "ViewVideo", videoName: $('.viewVideo').attr("videoName") },
function (data) {
$('#videoResult').html(data);
$('.loading img').hide();
$(".videHBG").hide();
});
});
$(".homeNav").addClass("TColor");
});
</script>
<script type="text/javascript">
$(document).ready(function () {
$(".home").each(function () {
$(this).next(".fontStyle").stop().animate({ top: "25px", "opacity": "1" }, 500);
$(this).addClass("home_hover").addClass("currentPageSelect");
$(this).parent().removeAttr("href");
});
});
</script>
<div class="inpage">
<div class="AboutFamily">
<h2 class="TColor fontStyle SColor RDir RText FRight PRelative"><span class="HTitleIcon HomeIcon"></span>كلمة الأسرة...</h2>
<p class="FRight fontStyle RDir RText FamilyWord" id="FamilyWord" runat="server">
</p>
</div>
<!--AboutFamily1!-->
<div id="ShowTree" runat="server" visible="false">
<div class="Line1"></div>
<a class="liveDemo FRight" href="Tree">
<span class="TColor fontStyle">شاهد شجرة الأسرة الإلكترونية ..</span>
<span class="enter fontStyle">اضغط هنا</span>
</a>
<!--LiveDemo!-->
</div>
<div class="AboutFamily2 FRight">
<h2 class="TColor fontStyle SColor RDir RText FRight PRelative"><span class="HTitleIcon HomeIcon"></span><a href="AboutUS" class="TColor">عن الأسرة...</a></h2>
<p class="FRight fontStyle RDir RText" id="AboutFamily" runat="server"></p>
</div>
<!--AboutFamily2!-->
<div class="AboutFamily3 PRelative FRight">
<h2 class="TColor fontStyle SColor RDir RText FRight PRelative"><span class="HTitleIcon HomeIcon"></span><a href="ViewAllNews-2" class="TColor">مناسبات...</a></h2>
<p class="FRight fontStyle RDir RText" id="Occasions" runat="server">
</p>
<%--<a href="ViewAllNews-2" class="more fontStyle">شاهد المزيد</a>--%>
</div>
<!--AboutFamily3!-->
<div class="clear"></div>
<div class="Line1"></div>
<!--Line1!-->
<div class="video_Home PRelative FRight">
<h2 class="TColor fontStyle SColor RDir RText FRight PRelative"><span class="HTitleIcon HomeIcon"></span>مكتبة الفيديو..</h2>
<div class="Video_H PRelative FRight clear" id="videoResult">
<asp:Repeater ID="RpVideo" runat="server" OnItemDataBound="RpVideo_ItemDataBound">
<ItemTemplate>
<div class="PlyaIcon HomeIcon PRelative viewVideo" videoname='<%# Eval("VideoName")%>'></div>
<!--PlayIcon!-->
<div class="loading">
<asp:Literal ID="ltrVedioLoading" runat="server"></asp:Literal>
</div>
<asp:Image runat="server" ID="imgVideo" CssClass="viewVideo" Style="cursor: pointer" videoName='<%# Eval("VideoName")%>' Width="336" Height="209" />
</ItemTemplate>
</asp:Repeater>
<div class="videHBG"></div>
</div>
<a href="video-1" class="more fontStyle">شاهد المزيد
</a>
</div>
<!--VeidoHome!-->
<div class="Home_Song FRight PRelative">
<h2 class="TColor fontStyle SColor RDir RText FRight PRelative"><span class="HTitleIcon HomeIcon"></span>مكتبة الصوتيات..</h2>
<asp:Repeater ID="RpSong" runat="server">
<ItemTemplate>
<div class="song_box PRelative">
<div class="song_no"></div>
<div class="song_title"><span class="Title fontStyle"><%#Eval("Name") %></span></div>
<a href="Files/Song/<%# Eval("SongName") %>" class="song_down HomeIcon"></a><span class="date"><%#Eval("Date","{0:dd-MM-yyyy}") %></span>
<div class="speaker"><a href="Files/Song/<%# Eval("SongName") %>" class="audio"></a></div>
</div>
<!--End of Song_Box!-->
</ItemTemplate>
</asp:Repeater>
<a href="Song-1" class="more fontStyle">شاهد المزيد</a>
</div>
<!--SongHome!-->
<div class="Line1"></div>
<div class="HAlbum FRight PRelative">
<h2 class="TColor fontStyle SColor RDir RText FRight PRelative"><span class="HTitleIcon HomeIcon"></span><a href="ImagesGallaryView-1" class="TColor">ألبوم الصور..</a></h2>
<div class="container2 clear FLeft PRelative">
<div class="wt-scroller2">
<div class="prev-btn HomeIcon"></div>
<div class="slides2">
<ul>
<asp:Repeater ID="RBImages" runat="server">
<ItemTemplate>
<li>
<a href="ImageDetails-<%# Eval("id") %>">
<span style="width: 218px; float: right; removed: relative; height: 122px; background: removed(LargeImage?w=218&h=122&type=Gallery&image=Images/ImageGallary/<%#Eval("FileName") %>) no-repeat"></span>
<img style="position: absolute; z-index: -10;" width="218" height="122" alt="<%#Eval("Title") %>" title="<%#Eval("Title") %>" />
</a>
</li>
</ItemTemplate>
</asp:Repeater>
</ul>
</div>
<div class="next-btn HomeIcon"></div>
</div>
</div>
</div>
<!--HomeAlbum!-->
<div class="clear"></div>
<div class="Line1"></div>
<div class="con2 FRight PRelative">
<div class="con21">
<h2 class="TColor fontStyle SColor RDir RText FRight PRelative"><span class="HTitleIcon HomeIcon"></span>ذكرى ميلاد....</h2>
<span class="date">
<asp:Label ID="DateNow" runat="server"></asp:Label>
</span>
<div class="fontStyle" runat="server" style="background: none;" id="NoDOB" visible="false">
<%--<span style="float:right; removed:relative; width:306px; height:236px; background:removed(img/mm.png) no-repeat"></span>--%>
</div>
<asp:Literal ID="LtrFamilyTreeCurrentDOB" runat="server"></asp:Literal>
<asp:Repeater ID="RpFamilyTreeNextDOB" runat="server">
<ItemTemplate>
<div class="fontStyle"><%#Eval("name")%> <%#Eval("name1")%> <%#Eval("name2")%> <span class="date"><%#Eval("DOB", "{0:dd-MM-yyyy}")%></span></div>
</ItemTemplate>
</asp:Repeater>
</div>
<!--Remember!-->
<div class="con22">
<h2 class="TColor fontStyle SColor RDir RText FRight PRelative"><span class="HTitleIcon HomeIcon"></span>هذا الموقع برعاية..</h2>
<asp:Repeater runat="server" ID="RpSponser">
<ItemTemplate>
<a href="<%#Eval("Link") %>" target="_blank">
<span style="width: 290px; height: 69px; float: right; removed: relative; background: removed(LargeImage?w=290&h=69&type=Sponser&image=Images/Postions/<%#Eval("FileName") %>) no-repeat;"></span>
</a>
</ItemTemplate>
</asp:Repeater>
</div>
<div class="con23">
<h2 class="TColor fontStyle SColor RDir RText FRight PRelative"><span class="HTitleIcon HomeIcon"></span>مقتطفات..</h2>
<asp:Repeater runat="server" ID="RpMoq">
<ItemTemplate>
<div class="fontStyle">
<a href="<%# DA.GenerateURL("NewsDetails",Eval("SEOEngName"),Eval("id")) %>">
<img alt="" src="LargeImage?w=61&h=61&type=<%#Eval("CategoryID") %>1&image=images/News/<%#Eval("FileName") %>" width="61" height="61" />
<span><%# DA.TextCut(Eval("Summary").ToString(),70) %></span></a>
</div>
</ItemTemplate>
</asp:Repeater>
<a href="ViewAllNews-3" class="more fontStyle">شاهد المزيد</a>
</div>
<!--MAo,go!-->
</div>
<div class="clear"></div>
<div class="Line1"></div>
<div class="clear"></div>
<div class="tahani PRelative">
<h2 class="TColor fontStyle SColor RDir RText FRight PRelative"><span class="HTitleIcon HomeIcon"></span>تهاني وإهداءات ..</h2>
<div class="box FRight">
<div class="con">
<marquee direction="right" behavior="scroll" scrollamount="4" onmousemove="this.stop()" onmouseout="this.start()" width="100%" style="float: left">
<asp:repeater runat="server" id="RpDedications">
<ItemTemplate>
<a class="fontStyle" dir="rtl">
{
<span style="color:Red;"> <%#Eval("Name") %> </span> // <%# Eval("NewsComment") %>
<img src="img/icon/<%#Eval("ImgIco") %>.png" width="25px" height="25px">
} </a>
</ItemTemplate>
</asp:repeater>
<a class="fontStyle" dir="rtl" runat="server" id="NoDedications" visible="false">
{ لآ يوجد إهـدآءآت في هذآ اليوم <img src="img/icon/15.png" width="25px" height="25px">
} </a>
</marquee>
</div>
<!--Con!-->
</div>
<!--Box!-->
<asp:Literal ID="ltrAddDedications" runat="server"></asp:Literal>
</div>
<!--Tahany!-->
</div>
<div class="Line1"></div>
<div class="newFooter">
<div class="conf1" style="removed 160px;">
<div><a href="Jobs" class="jobs"><span class="fontStyle TColor empH">لجنة إدارة الموقع ..</span></a></div>
<div class="medil"><a href="CommunicationView" class="contactHome"><span class="fontStyle TColor contactH">دليل التواصل</span></a></div>
<%--<div><a href="QuranReciter" class="qeranHAA"><span class="fontStyle TColor qeranH">القرآن الكريم</span></a></div>--%>
</div>
<!--Conf1!-->
<div class="Line1"></div>
<div class="con2 FRight PRelative">
<div class="con21">
<h2 class="TColor fontStyle SColor RDir RText FRight PRelative"><span class="HTitleIcon HomeIcon"></span>حكمة اليوم ..</h2>
<p class="FRight fontStyle RDir RText htext">
<asp:Repeater ID="RpHekmatAlyom" runat="server">
<ItemTemplate>
<%#DA.TextCut(Eval("Summary").ToString(), 350) %>
</ItemTemplate>
</asp:Repeater>
</p>
</div>
<!--Remember!-->
<div class="con22" style="margin-removed 20px;">
<h2 class="TColor fontStyle SColor RDir RText FRight PRelative"><span class="HTitleIcon HomeIcon"></span>ارشيف الشخصيات ..</h2>
<asp:Repeater ID="RpPersonality" runat="server">
<ItemTemplate>
<p class="FRight fontStyle RDir RText htext">
<img src="LargeImage?w=92&h=102&Type=Per0&Image=Images/Postions/<%#Eval("FileName") %>" width="92" height="102" alt="" />
<span>
<span class="TColor">الاسم:</span> <%#Eval("Name") %><br />
<span class="TColor">المهنة:</span> <%#Eval("Job") %><br />
<span class="TColor">النبذة</span><br />
<%#DA.TextCut(Eval("Note").ToString(),90) %>
</span>
</p>
</ItemTemplate>
</asp:Repeater>
<a href="PersonalityView" class="more fontStyle">شاهد المزيد</a>
</div>
<div class="con233">
<h2 class="TColor fontStyle SColor RDir RText FRight PRelative"><span class="HTitleIcon HomeIcon"></span>كتاب قرأته ..</h2>
<asp:Repeater ID="RpBookRead" runat="server">
<ItemTemplate>
<p class="FRight fontStyle RDir RText htext">
<img src="LargeImage?w=220&h=120&Type=Book1&Image=Images/Postions/<%#Eval("FileName") %>" width="255" height="152" alt="" />
</p>
</ItemTemplate>
</asp:Repeater>
<a href="BookReadView" class="more fontStyle">شاهد المزيد</a>
</div>
<!--MAo,go!-->
</div>
</div>
<!--newFooter!-->
<div class="Line1"></div>
<div class="upfooter">
<div class="foot1">
<h2 class="TColor fontStyle SColor RDir RText FRight PRelative"><span class="HTitleIcon HomeIcon"></span>موقع الأسرة على تويتر ..</h2>
<div class="TwitterCon clear">
<asp:Literal ID="ltrTweets" runat="server"></asp:Literal>
</div>
<!--TwitterCon Width:300 Height254px;!-->
</div>
<!--Foott1!-->
<div class="foot2">
<h2 class="TColor fontStyle SColor RDir RText FRight PRelative"><span class="HTitleIcon HomeIcon"></span>استطلاع الرآي ..</h2>
<uc2:Poll ID="Poll1" runat="server" />
</div>
<!--Foot2!-->
<div class="foot3">
<h2 class="TColor fontStyle SColor RDir RText FRight PRelative"><span class="HTitleIcon HomeIcon"></span>موقع الأسرة على الفيس بوك ..</h2>
<div class="FaceContanier">
<%--<fb:like-box href="<%=facebook %>" width="300" height="240" show_faces="false" stream="true" header="false"></fb:like-box>--%>
<iframe src="//www.facebook.com/plugins/likebox.php?href=https%3A%2F%2Fwww.facebook.com%2FInet.web&width&height=290&colorscheme=light&show_faces=true&header=true&stream=false&show_border=true&appId=479939268795887" scrolling="no" frameborder="0" style="border: none; overflow: hidden; height: 290px;" allowtransparency="true"></iframe>
</div>
<!--FaceContaner Width:300 Height:254px;!-->
</div>
<!--Foot3!-->
</div>
<!--UpFooter-->
</asp:Content>推荐答案
(document).ready(function () {
(document).ready(function () {
(\".ColorIcon div\").click(function (e) {
(".ColorIcon div").click(function (e) {
(\".loading img\").attr(\"src\", \"loading/\" +
(".loading img").attr("src", "loading/" +
这篇关于嗨，我有一个Webforms项目，其中包含代码隐藏的每个页面的程序集。当我运行我的项目时，我发现了这个错误的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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