System.ArgumentException: Ein Eintrag mit demselben Schlüssel ist bereits vorhanden
Meine masterPage, ich benutze Akkordeon-Menü
<%@ Master Language="C#" AutoEventWireup="true"
CodeBehind="DefaultMaster.Master.cs" Inherits="Lab.DefaultMaster"
ClientIDMode="Static" %>
<%@ Import Namespace="Resources" %>
<!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">
<link type="text/css" href="css/style.css" rel="Stylesheet" />
<title>
<asp:ContentPlaceHolder ID="title" runat="server">
</asp:ContentPlaceHolder>
</title>
<link href="css/custom-theme/jquery-ui-1.8.2.custom.css" type="text/css"
rel="Stylesheet" />
<link type="text/css" href="css/accordion.css" rel="Stylesheet" />
<script type="text/javascript" src="/js/jquery-1.4.2.min.js"></script>
<script type="text/javascript" src="/js/jquery-ui-1.8.2.custom.min.js"></script>
<script src="/js/jquery.cookie.js" type="text/javascript"></script>
<script type="text/javascript" src="/js/ddaccordion.js"></script>
<script type="text/javascript">
ddaccordion.init({ //top level headers initialization
headerclass: "expandable", //Shared CSS class name of headers group that are
expandable
contentclass: "categoryitems", //Shared CSS class name of contents group
revealtype: "click", //Reveal content when user clicks or onmouseover the header?
Valid value: "click", "clickgo", or "mouseover"
mouseoverdelay: 200, //if revealtype="mouseover", set delay in milliseconds
before header expands onMouseover
collapseprev: true, //Collapse previous content (so only one open at any time)?
true/false
defaultexpanded: [0], //index of content(s) open by default [index1, index2, etc].
[] denotes no content
onemustopen: false, //Specify whether at least one header should be open always (so
never all headers closed)
animatedefault: false, //Should contents open by default be animated into view?
persiststate: true, //persist state of opened contents within browser session?
toggleclass: ["", "openheader"], //Two CSS classes to be applied to the header when
it's collapsed and expanded,
respectively ["class1", "class2"]
togglehtml: ["prefix", "", ""], //Additional HTML added to the header when it's
collapsed and expanded, respectively
["position", "html1", "html2"] (see docs)
animatespeed: "fast", //speed of animation: integer in milliseconds (ie: 200),
or keywords "fast", "normal", or "slow"
oninit: function (headers, expandedindices) { //custom code to run when headers
have initalized
//do nothing
},
onopenclose: function (header, index, state, isuseractivated) { //custom code to
run whenever a header is opened or closed
//do nothing
}
});
ddaccordion.init({ //2nd level headers initialization
headerclass: "subexpandable", //Shared CSS class name of sub headers group that
are expandable
contentclass: "subcategoryitems", //Shared CSS class name of sub contents group
revealtype: "click", //Reveal content when user clicks or onmouseover the header?
Valid value: "click" or "mouseover
mouseoverdelay: 200, //if revealtype="mouseover", set delay in milliseconds before
header expands onMouseover
collapseprev: true, //Collapse previous content (so only one open at any time)?
true/false
defaultexpanded: [], //index of content(s) open by default [index1, index2, etc]. []
denotes no content
onemustopen: false, //Specify whether at least one header should be open always (so
never all headers closed)
animatedefault: false, //Should contents open by default be animated into view?
persiststate: true, //persist state of opened contents within browser session?
toggleclass: ["opensubheader", "closedsubheader"], //Two CSS classes to be applied
to the header when it's collapsed
and expanded, respectively ["class1", "class2"]
togglehtml: ["none", "", ""], //Additional HTML added to the header when it's
collapsed and expanded, respectively
["position", "html1", "html2"] (see docs)
animatespeed: "fast", //speed of animation: integer in milliseconds (ie: 200),
or keywords "fast", "normal", or "slow"
oninit: function (headers, expandedindices) { //custom code to run when headers
have initalized
//do nothing
},
onopenclose: function (header, index, state, isuseractivated) { //custom code
to run whenever a header is opened or closed
//do nothing
}
});
</script>
<asp:ContentPlaceHolder ID="head" runat="server">
</asp:ContentPlaceHolder>
<style type="text/css">
.style1
{
width: 140px;
}
</style>
</head>//Körper
<body style="min-width:930px;">
<table border="0" cellpadding="5" cellspacing="0" width="100%">
<tr>
<td style="vertical-align:top;" class="style1">
<div class="arrowlistmenu">
<h3 class="menuheader expandable">asd</h3>
<ul class="categoryitems">
<li><a href="/GeneralData/Data.aspx">asd</a></li>
</ul>
<h3 class="menuheader expandable">sd</h3>
<ul class="categoryitems">
<li><a href="/Instruct/page2.aspx">sdf</a></li>
<li><a href="/Instruct/page3.aspx">sdf</a></li>
<li><a href="#">sdf</a></li>
<li><a href="#">sdf</a></li>
<li><a href="#">sdf</a></li>
<li><a href="#">sdf</a></li>
</ul>
<h3 class="menuheader expandable">sdf</h3>
<ul class="categoryitems">
<li><a href="#">sdf</a></li>
<li><a href="#">asd</a></li>
<li><a href="#">asd</a></li>
</ul>
<h3 class="menuheader expandable">asd</h3>
</div>
</td></tr></table>
</body>
</html>beim Start einer Seite, er gab mir Fehler
Server Error in '/' Application.
An entry with the same key already exists.
Description: An unhandled exception occurred during the execution of the current web
request. Please review the stack trace for more information about the error and where
it originated in the code.
Exception Details: System.ArgumentException: An entry with the same key already exists.
Source Error:
An unhandled exception was generated during the execution of the current web request. Informationen über den Ursprung und die Position der Ausnahme können identifiziert werden
mit der Ausnahmestapelüberwachung unten.
Stack Trace:
[ArgumentException: An entry with the same key already exists.]
System.Collections.Specialized.ListDictionary.Add(Object key, Object value)
+6236205
System.Web.UI.ClientScriptManager.RegisterExpandoAttribute(String controlId,
String attributeName, String attributeValue,
Boolean encode) +272
System.Web.UI.ScriptRegistrationManager.RegisterExpandoAttribute(Control control,
String controlId, String attributeName,
String attributeValue, Boolean encode) +115
System.Web.UI.ScriptManager.RegisterExpandoAttribute(Control control, S
tring controlId, String attributeName,
String attributeValue, Boolean encode) +44InformationsquelleAutor Alex | 2012-08-20
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Du ein Glück zu haben, einen Fehler verursachen in den ersten Zeilen des Codes. Denn ich bin einfach nur entsetzt darüber. Ändern Sie Ihre Validators
ClientIDModezuPredictable.Wenn Sie die änderung von ClientIDMode "static" im web.config - seien Sie vorsichtig, chaging dies, als könnte man Sie zerstören jede jQuery im Einsatz auf der Baustelle, dies wird sich ändern Sie die ID aller Bedienelemente.
InformationsquelleAutor Yuriy Rozhovetskiy
nach 2 Stunden fand ich eine Lösung für die folgende Ausnahme .
in meinem Fall war es, weil ausgewählt galt für mehr als ein Element in der DropDownList Elemente-Wörterbuch
InformationsquelleAutor Iman Abidi