ASP.NET MVC DropDownList会导致回发，而我不会;t expect-似乎源于JavaScript

ASP.NET MVC DropDownList causes postbacks which I don't expect - seems to origin from JavaScript

本文关键字：expect- JavaScript DropDownList MVC NET ASP      更新时间：2023-09-26

我的MVC项目中有一个标准表单，其中有一个DropDownList。当我更改dropdownlist的值时，整个页面都会重新加载，因为它会导致回发。

我不希望出现这种行为，我正在尝试阻止投递列表进行回发。

然而，这就是它变得奇怪的地方。我以以下方式定义我的下拉列表：

@Html.DropDownList("sortOrder", null, new { onchange = "startUpdate(this)" })

忽略Javascipt，没有什么能指望我回发。如果我们包括整个表格，我们可以在这里看到情况也是如此：

 @using (var form = Html.BeginForm("Query", "Search", FormMethod.Get, new { id="queryform", name="queryform", onsubmit = "startUpdate(this); return false;"}))
                    {
                                <b>Sorter efter</b><br />
                                @Html.DropDownList("sortOrder", null, new { onchange = "startUpdate(this)" })<br />
                            </div>
                            <br />
                        <input type="submit" class="button_green" value="Søg igen &#x25BA;" id="SearchButton" name="SearchButton" style="float: left;" onclick="_gaq.push(['_trackEvent', 'Ads_listing', 'search_again_click']); startUpdate(this); return false;" />
                        <input type="reset" class="button_small" value="Nulstil" id="ClearButton" style="float: right;" />
                        </text>
                    }

然而，现在一个聪明的人可能会说：

"尝试禁用JavaScript，看看会发生什么"

我照做了。然后回邮没有发生。因此，我的问题很可能源于某些JavaScript。

唯一的问题？我好像找不到。

我已经清除了我能想象到的所有与它有关的JavaScript，但它仍然会给我一个回发。

所以，对不起，我必须包括我所有的渲染标记，希望你们能帮助我解决这个大问题（select html元素被称为sortOrder）：

（我无法复制整个HTML，所以我删除了一些部分——生产版本可以在http://www.amino.dk/virksomhedsbors/search/query?transactionType=2&text=&sectorList=&priceFrom=&priceTo=）

<!DOCTYPE html> 
    <html xmlns="http://www.w3.org/1999/xhtml" xml:lang=&quot;da-dk&quot;> 
    <head> 
    <meta charset="utf-8" /> 
    <meta http-equiv="X-UA-Compatible" content="IE=edge" /> 
    <title>Virksomheder til salg</title> 
    <script type="text/javascript">var _sf_startpt = (new Date()).getTime()</script> 
    <link href="/styles/saxis.min.css?v=1" rel="Stylesheet" type="text/css" /> 
    <link target="_blank" href="http://fonts.googleapis.com/css?family=Lato:300,400,700,900" rel="stylesheet" type="text/css"> 
    <link href="http://www.amino.dk/virksomhedsbors/rss.aspx" rel="alternate" title="Virksomheder købes og sælges" type="application/rss+xml" /> 
    <link href="http://www.amino.dk/virksomhedsbors/rss.aspx?type=buy" rel="alternate" title="Virksomheder købes" type="application/rss+xml" /> 
    <link href="http://www.amino.dk/virksomhedsbors/rss.aspx?type=sell" rel="alternate" title="Virksomheder til salg" type="application/rss+xml" /> 
    <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.js"></script> 
    <script type="text/javascript" src="http://code.jquery.com/jquery-migrate-1.2.1.min.js"></script> 
    <script type="text/javascript" src="http://eas4.emediate.eu/EAS_tag.1.0.js"></script> 
    <script type="text/javascript" src="/Assets/js/global.js?2.0"></script> 
    <script type="text/javascript" src="/user/infobox?635467592356980146"></script> 

    <script type="text/javascript"> 
    $(document).ready(function () { 
    $.ajaxSetup( 
    { cache: false } 
    ); 
    } 
    ); 
    </script> 
    <style type="text/css"> 
    <!-- 
    .cell { 
    padding-left: 15px; 
    } 
    --> 
    </style> 
    <script type="text/javascript"> 
    var _gaq = _gaq || []; 
    _gaq.push(['_setAccount', 'UA-10494982-1']); 
    _gaq.push(['_setDomainName', '.amino.dk']); 

    _gaq.push(['_setCustomVar', 1, 'Medlemstype', 'Ikke registreret', 1]); 
    _gaq.push(['_setCustomVar', 2, 'VB-type', 'Ikke registreret', 1]); 
    document.referrer.match(/https?:'/'/[^/]*google'..*[?&]cd=([^&]*)/gi); 
    var gaqgr = RegExp.$1; 
    if (gaqgr) { 
    _gaq.push(['_setCustomVar', 3, 'GoogleRank', gaqgr, 2]); 
    } 

    _gaq.push(['_trackPageview']); 

    _gaq.push(['_trackPageLoadTime']); 
    (function () { 
    var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; 
    ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; 
    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); 
    })(); 

    </script> 
    </head> 
    <body> 
    <div id="background_body"> 
    <div id="topad" style="clear: both; text-align: center; margin: 0 auto 10px"> 
    <div id="EAS_c13cb956" style="width:930px;height:180px;margin:0 auto;border:0;padding:0;"></div> 
    <script type="text/javascript"> 
    $(document).ready(function() { 
    EAS_load_fif("EAS_c13cb956", "/EAS_fif.html", "http://eas4.emediate.eu/eas?cu=1202;cre=mu;js=y;target=_blank;ord=635467592356990147", 930, 180); 
    }); 
    </script> 
    </div> 
    </div> 
    </div> 
    <div id="body"> 
    <div id="contentBody"> 
    <div id="sidead" style="position: fixed; width: 300px; height: 600px; margin-left: 963px; top:180px;"> 
    <div id="EAS_5408e9fb" style="width:300px;height:600px;margin:0 auto 0 0;border:0;padding:0;"></div> 
    <script type="text/javascript"> 
    $(document).ready(function() { 
    EAS_load_fif("EAS_5408e9fb", "/EAS_fif.html", "http://eas4.emediate.eu/eas?cu=13120;cre=mu;js=y;target=_blank;ord=635467592359750304", 300, 600); 
    }); 
    </script> 
    </div> 

    <div id="UserInformation" style="display: none;"></div> 


    <div class="column left" style="width: 698px;"> 
    <div class="contentBoxtitle2"> 
    <span style="float: right; margin-right: 5px; margin-top: 5px;" id="SAAdd" class="SearchAgentButton"><a href="javascript:void(0);" onclick=" _gaq.push(['_trackEvent', 'Ads_listing', 'add_searchagent_click']); addSearchAgent(); ">Tilføj som søgeagent</a></span> 
    <h1 class="contentBoxtitle_home" style="width: 395px; text-overflow: ellipsis; white-space: nowrap; overflow: hidden;" id="searchtitle">Virksomheder til salg</h1> 
    </div> 
    <div id="searchResults"> 

    <div class="contentBoxSubtitle2"> 
    <h2> 
    Viser <u>1</u> til <u>30</u> af i alt <u>1383</u> 

    <div style="float: right;"> 
    << Forrige 
    | 
    1 | 
    <a href="/search/query?transactiontype=2&amp;pagesize=30&amp;pageno=2&amp;sortorder=0">2</a> 
    | 
    <a href="/search/query?transactiontype=2&amp;pagesize=30&amp;pageno=3&amp;sortorder=0">3</a> 
    | 
    <a href="/search/query?transactiontype=2&amp;pagesize=30&amp;pageno=4&amp;sortorder=0">4</a> 
    | 
    <a href="/search/query?transactiontype=2&amp;pagesize=30&amp;pageno=5&amp;sortorder=0">5</a> 
    | 
    <a href="/search/query?transactiontype=2&amp;pagesize=30&amp;pageno=6&amp;sortorder=0">6</a> 
    | 
    <a href="/search/query?transactiontype=2&amp;pagesize=30&amp;pageno=7&amp;sortorder=0">7</a> 
    | 
    <a href="/search/query?transactiontype=2&amp;pagesize=30&amp;pageno=2&amp;sortorder=0">Næste &gt;&gt;</a> 
    &nbsp; 


    </div> 
    </h2> 
    </div> 
    <div class="contentBox2"> 
    <script type="text/javascript"> 
    var sortLink = "/search/query?transactionType=2&amp;text=&amp;priceFrom=&amp;priceTo=&amp;yearFrom=&amp;yearTo=&amp;saleReasons=&amp;canMove=&amp;regions=&amp;operatingRegions=&amp;allOperatingRegionsRequired=&amp;sectors=&amp;allSectorsRequired=&amp;financingAvailable=&amp;country=&amp;pageSize=30&amp;sortOrder={sortOrder}&amp;"; 
    </script> 
    <div style="text-align: right; margin-bottom: 3px;">Sorter efter <select id="order" name="order" onchange="top.location.href=sortLink.replace(&quot;{sortOrder}&quot;, this.value); "><option selected="selected" value="0">Relevans</option> 
    <option value="1">Oprettelsesdato (nyeste f&#248;rst)</option> 
    <option value="2">Oprettelsesdato (&#230;ldste f&#248;rst)</option> 
    <option value="3">Redigeringsdato (nyeste f&#248;rst)</option> 
    <option value="4">Redigeringsdato (&#230;ldste f&#248;rst)</option> 
    <option value="5">Pris (h&#248;jeste f&#248;rst)</option> 
    <option value="6">Pris (laveste f&#248;rst)</option> 
    </select></div> 
    <div class="silverbox even" style=""> 
    <div class="ribbon silver"></div> 
    <p class="adtitle"> 
    <a href="/saelges/handel/agenturhandel/btb-og-btc-udklaedning-legetoej-og-kostumer-inkl-varelager-til-salg-19115">BtB og BtC Udklædning, legetøj og kostumer inkl varelager til salg</a> 
    <img src="/images/icon_unlock20x25.png" alt="Du kan kontakte denne annonce" style="width: 20px; height: 25px; border: none;" /> 
    </p> 
    <p class="regions">Midtjylland</p> 
    <div class="price"><span class="pricelabel">Udbudspris:</span> <span class="pricevalue">895.000 DKK</span></div> 
    <div class="category"><span class="categorylabel">Forretningsområde:</span> <span class="categoryvalue">Agenturhandel</span></div> 
    <p class="description">Velkendt engros firma der handler med udklædning, kostumer og legetøj. Mange faste kunder spredt over hele landet giver en god stabil omsætning. Salget foregår via hjemmeside og kundebesøg<b>...</b></p> 
    <p class="seemore"> 
    Se flere virksomheder til salg inden for:<br /> 
    <a href="/saelges/handel/agenturhandel">Agenturhandel</a> 
    </p> 
    <p class="date" style="float: right; clear: both; text-align: right;"> 
    Senest redigeret 16-09-2014 
    </p> 
    </div> 
    <br /> 
    <br /> 
    </div> 
    <div class="contentBoxSubtitle2"> 
    <h2> 
    Viser <u>1</u> til <u>30</u> af i alt <u>1383</u> 
    <div style="float: right;"> 
    << Forrige 
    | 
    1 | 
    <a href="/search/query?transactiontype=2&amp;pagesize=30&amp;pageno=2&amp;sortorder=0">2</a> 
    | 
    <a href="/search/query?transactiontype=2&amp;pagesize=30&amp;pageno=3&amp;sortorder=0">3</a> 
    | 
    <a href="/search/query?transactiontype=2&amp;pagesize=30&amp;pageno=4&amp;sortorder=0">4</a> 
    | 
    <a href="/search/query?transactiontype=2&amp;pagesize=30&amp;pageno=5&amp;sortorder=0">5</a> 
    | 
    <a href="/search/query?transactiontype=2&amp;pagesize=30&amp;pageno=6&amp;sortorder=0">6</a> 
    | 
    <a href="/search/query?transactiontype=2&amp;pagesize=30&amp;pageno=7&amp;sortorder=0">7</a> 
    | 
    <a href="/search/query?transactiontype=2&amp;pagesize=30&amp;pageno=2&amp;sortorder=0">Næste &gt;&gt;</a> 
    &nbsp; 


    </div> 
    </h2> 
    </div> 
    </div> 
    <div class="contentBoxFooter2"></div> 
    </div> 
    <div class="column"> 
    <div class="box"> 
    <p class="title">Indskrænk/ændre søgning</p> 
    <div class="boxbody"> 
    <form action="/search/query" id="queryform" method="get" name="queryform" onsubmit=" return false;"> 
    Din rolle er:<br/>&nbsp;&nbsp; <input checked="checked" id="trsBuyer" name="transactionType" onclick="startUpdate(this)" type="radio" value="2" />&nbsp;<label for="trsBuyer">Køber</label>&nbsp;&nbsp;&nbsp; <input id="trsSeller" name="transactionType" onclick="startUpdate(this)" type="radio" value="1" />&nbsp;<label for="trsSeller">Sælger</label><br /> 
    <br /> 
    <b>Søgeord:</b><br /> 
    <input id="text" name="text" onkeypress="startUpdate(this)" onkeyup="startUpdate(this)" style="width: 210px;" type="text" value="" /><br /> 
    <br /> 
    <b>Forretningsområder:</b><br /> 
    <a href="javascript:void(0);" onclick=" $(this).hide(500); $('#secadv').show(500); ">Avanceret &#x25ba;</a><span id="secadv" style="display: none;"><input id="allSectorsRequired" name="allSectorsRequired" onclick=" " style="margin-top: 2px;" type="checkbox" value="true" /><input name="allSectorsRequired" type="hidden" value="false" /> <label for="allSectorsRequired">Alle er påkrævet (OG-søgning)</label></span> 
    <input type="checkbox" onclick=" " name="sectors" value="12" id="sector12" /> 
    <label for="sector12"> Transportmiddelindustri</label></div> 
    </div> 
    </div> 

    <br /> 
    <a id="showadvprops" href="javascript:void(0);" onclick=" _gaq.push(['_trackEvent', 'Ads_listing', 'search_advanced_criteria']); showAdvancedProps(); ">Vis avancerede kriterier &#x25ba;</a> 
    <a id="hideadvprops" href="javascript:void(0);" onclick=" showAdvancedProps(); " style="display: none;">Skjul avancerede kriterier &#x25c4;</a><br /> 
    <br /> 
    <div id="advsearch" style="display: none;"> 
    <b>Beliggenhed:</b><br /> 
    <div style="height: 100px; overflow: auto; border: 1px solid #999; padding: 1px 1px 1px 1px; margin-top: 2px;"> 
    <div style="overflow: hidden; white-space: nowrap; text-overflow: ellipsis; height: 18px; line-height: 18px;" title="Nordjylland"> 
    <input type="checkbox" name="regions" onclick=" " value="1" id="region1" /> 
    <label for="region1"> Nordjylland</label></div> 
    <div style="overflow: hidden; white-space: nowrap; text-overflow: ellipsis; height: 18px; line-height: 18px;" title="Midtjylland"> 
    <input type="checkbox" name="regions" onclick=" " value="2" id="region2" /> 
    <label for="region2"> Midtjylland</label></div> 
    <div style="overflow: hidden; white-space: nowrap; text-overflow: ellipsis; height: 18px; line-height: 18px;" title="Syd- og S&#248;nderjylland"> 
    <input type="checkbox" name="regions" onclick=" " value="3" id="region3" /> 
    <label for="region3"> Syd- og S&#248;nderjylland</label></div> 
    <div style="overflow: hidden; white-space: nowrap; text-overflow: ellipsis; height: 18px; line-height: 18px;" title="Fyn"> 
    <input type="checkbox" name="regions" onclick=" " value="4" id="region4" /> 
    <label for="region4"> Fyn</label></div> 
    <div style="overflow: hidden; white-space: nowrap; text-overflow: ellipsis; height: 18px; line-height: 18px;" title="Sj&#230;lland, &#216;erne og Bornholm"> 
    <input type="checkbox" name="regions" onclick=" " value="5" id="region5" /> 
    <label for="region5"> Sj&#230;lland, &#216;erne og Bornholm</label></div> 
    <div style="overflow: hidden; white-space: nowrap; text-overflow: ellipsis; height: 18px; line-height: 18px;" title="Stork&#248;benhavn"> 
    <input type="checkbox" name="regions" onclick=" " value="6" id="region6" /> 
    <label for="region6"> Stork&#248;benhavn</label></div> 
    <div style="overflow: hidden; white-space: nowrap; text-overflow: ellipsis; height: 18px; line-height: 18px;" title="Ikke oplyst"> 
    <input type="checkbox" name="regions" onclick=" " value="7" id="region7" /> 
    <label for="region7"> Ikke oplyst</label></div> 
    <div style="overflow: hidden; white-space: nowrap; text-overflow: ellipsis; height: 18px; line-height: 18px;" title="Hele landet"> 
    <input type="checkbox" name="regions" onclick=" " value="8" id="region8" /> 
    <label for="region8"> Hele landet</label></div> 
    <div style="overflow: hidden; white-space: nowrap; text-overflow: ellipsis; height: 18px; line-height: 18px;" title="Udlandet"> 
    <input type="checkbox" name="regions" onclick=" " value="9" id="region9" /> 
    <label for="region9"> Udlandet</label></div> 
    </div> 
    <br /> 
    <b>Opererer i:</b><br /> 
    <a href="javascript:void(0);" onclick=" $(this).hide(500); $('#regadv').show(500); ">Avanceret &#x25ba;</a><span id="regadv" style="display: none;"><input id="allOperatingRegionsRequired" name="allOperatingRegionsRequired" onclick=" " style="margin-top: 2px;" type="checkbox" value="true" /><input name="allOperatingRegionsRequired" type="hidden" value="false" /> <label for="allOperatingRegionsRequired">Alle er påkrævet (OG-søgning)</label></span> 
    <div style="height: 100px; overflow: auto; border: 1px solid #999; padding: 1px 1px 1px 1px; margin-top: 2px;"> 
    <div style="overflow: hidden; white-space: nowrap; text-overflow: ellipsis; height: 18px; line-height: 18px;" title="Nordjylland"> 
    <input type="checkbox" name="operatingRegions" onclick=" " value="1" id="operatingregion1" /> 
    <label for="operatingregion1"> Nordjylland</label></div> 
    <div style="overflow: hidden; white-space: nowrap; text-overflow: ellipsis; height: 18px; line-height: 18px;" title="Midtjylland"> 
    <input type="checkbox" name="operatingRegions" onclick=" " value="2" id="operatingregion2" /> 
    <label for="operatingregion2"> Midtjylland</label></div> 
    <div style="overflow: hidden; white-space: nowrap; text-overflow: ellipsis; height: 18px; line-height: 18px;" title="Syd- og S&#248;nderjylland"> 
    <input type="checkbox" name="operatingRegions" onclick=" " value="3" id="operatingregion3" /> 
    <label for="operatingregion3"> Syd- og S&#248;nderjylland</label></div> 
    <div style="overflow: hidden; white-space: nowrap; text-overflow: ellipsis; height: 18px; line-height: 18px;" title="Fyn"> 
    <input type="checkbox" name="operatingRegions" onclick=" " value="4" id="operatingregion4" /> 
    <label for="operatingregion4"> Fyn</label></div> 
    <div style="overflow: hidden; white-space: nowrap; text-overflow: ellipsis; height: 18px; line-height: 18px;" title="Sj&#230;lland, &#216;erne og Bornholm"> 
    <input type="checkbox" name="operatingRegions" onclick=" " value="5" id="operatingregion5" /> 
    <label for="operatingregion5"> Sj&#230;lland, &#216;erne og Bornholm</label></div> 
    <div style="overflow: hidden; white-space: nowrap; text-overflow: ellipsis; height: 18px; line-height: 18px;" title="Stork&#248;benhavn"> 
    <input type="checkbox" name="operatingRegions" onclick=" " value="6" id="operatingregion6" /> 
    <label for="operatingregion6"> Stork&#248;benhavn</label></div> 
    <div style="overflow: hidden; white-space: nowrap; text-overflow: ellipsis; height: 18px; line-height: 18px;" title="Ikke oplyst"> 
    <input type="checkbox" name="operatingRegions" onclick=" " value="7" id="operatingregion7" /> 
    <label for="operatingregion7"> Ikke oplyst</label></div> 
    <div style="overflow: hidden; white-space: nowrap; text-overflow: ellipsis; height: 18px; line-height: 18px;" title="Hele landet"> 
    <input type="checkbox" name="operatingRegions" onclick=" " value="8" id="operatingregion8" /> 
    <label for="operatingregion8"> Hele landet</label></div> 
    <div style="overflow: hidden; white-space: nowrap; text-overflow: ellipsis; height: 18px; line-height: 18px;" title="Udlandet"> 
    <input type="checkbox" name="operatingRegions" onclick=" " value="9" id="operatingregion9" /> 
    <label for="operatingregion9"> Udlandet</label></div> 
    </div> 

    <br /> 
    <b>Prisinterval:</b><br /> 
    <input id="priceFrom" name="priceFrom" onkeypress=" " onkeyup=" " style="width: 75px;" type="text" value="" /> til <input id="priceTo" name="priceTo" onkeypress=" " onkeyup=" " style="width: 75px;" type="text" value="" /> 
    <br /> 
    <br /> 
    <b>Etableringsår:</b><br /> 
    <input id="yearFrom" name="yearFrom" onkeypress=" " onkeyup=" " style="width: 75px;" type="text" value="" /> til <input id="yearTo" name="yearTo" onkeypress=" " onkeyup=" " style="width: 75px;" type="text" value="" /> 
    <br /> 
    <br /> 
    <b>Virksomheden skal kunne flyttes:</b><br /> 
    <input checked="checked" id="canMoveNI" name="canMove" onclick=" " type="radio" value="" /> <label for="canMoveNI">Ikke vigtigt</label><br /> 
    <input id="canMoveNo" name="canMove" onclick=" " type="radio" value="0" /> <label for="canMoveNo">Nej</label><br /> 
    <input id="canMoveYes" name="canMove" onclick=" " type="radio" value="1" /> <label for="canMoveYes">Ja</label><br /> 
    <br /> 
    <b>Sælgerfinansiering skal tilbydes:</b><br /> 
    <input checked="checked" id="financingAvailableNI" name="financingAvailable" onclick=" " type="radio" value="" /> <label for="financingAvailableNI">Ikke vigtigt</label><br /> 
    <input id="financingAvailableNo" name="financingAvailable" onclick=" " type="radio" value="0" /> <label for="financingAvailableNo">Nej</label><br /> 
    <input id="financingAvailableYes" name="financingAvailable" onclick=" " type="radio" value="1" /> <label for="financingAvailableYes">Ja</label><br /> 
    <br /> 
    <b>Sorter efter</b><br /> 
    <select id="sortOrder" name="sortOrder" onchange=" "><option selected="selected" value="0">Relevans</option> 
    <option value="1">Oprettelsesdato (nyeste f&#248;rst)</option> 
    <option value="2">Oprettelsesdato (&#230;ldste f&#248;rst)</option> 
    <option value="3">Redigeringsdato (nyeste f&#248;rst)</option> 
    <option value="4">Redigeringsdato (&#230;ldste f&#248;rst)</option> 
    <option value="5">Pris (h&#248;jeste f&#248;rst)</option> 
    <option value="6">Pris (laveste f&#248;rst)</option> 
    </select><br /> 
    </div> 
    <br /> 
    <input type="submit" class="button_green" value="Søg igen &#x25BA;" id="SearchButton" name="SearchButton" style="float: left;" onclick=" _gaq.push(['_trackEvent', 'Ads_listing', 'search_again_click']); return false; " /> 
    <input type="reset" class="button_small" value="Nulstil" id="ClearButton" style="float: right;" /> 
    </form> </div> 
    <div class="boxfooter"></div> 
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我迷路了。我已经搜索了几个小时，但我找不到导致回发的愚蠢JS。有什么想法吗？这将是一个巨大的帮助。

编辑：

在代码中，引用了startUpdate。我试着删除了它，但还是收到了回复。这是代码：

 function startUpdate(sender) {
            if (tmr != null) clearTimeout(tmr);
            tmr = setTimeout("updateSearch()", 700);
        }
        function updateSearch() {
            tmr = null;
            searchParams.transactiontype = $("input[name=transactionType]:checked").val();
            searchParams.text = $("input[name=text]").val();
            var sct = "";
            $("input[name=sectors]:checked").each(function() { sct += $(this).val() + ","; });
            searchParams.sector = sct;
            searchParams.allsectorsrequired = $("#allSectorsRequired").attr("checked") == "checked" ? "true" : "";
            var rgn = "";
            $("input[name=regions]:checked").each(function() { rgn += $(this).val() + ","; });
            searchParams.region = rgn;
            var orgn = "";
            $("input[name=operatingRegions]:checked").each(function() { orgn += $(this).val() + ","; });
            searchParams.operatingregion = orgn;
            searchParams.alloperatingregionsrequired = $("#allOperatingRegionsRequired").attr("checked") == "checked" ? "true" : "";
            searchParams.priceFrom = $("input[name=priceFrom]").val();
            searchParams.priceTo = $("input[name=priceTo]").val();
            searchParams.yearFrom = $("input[name=yearFrom]").val();
            searchParams.yearTo = $("input[name=yearTo]").val();
            searchParams.canMove = $("input[name=canMove]:checked").val();
            searchParams.financingavailable = $("input[name=financingAvailable]:checked").val();
            searchParams.orderby = $("select[name=sortOrder]").val();
            for (var key in searchParams) {
                if ((!psp || psp[key] != searchParams[key]) && searchParams[key]) {
                    _gaq.push(['_trackEvent', 'Vbørs Søg autoupdate', key, searchParams[key]]);
                }
            }
            psp = $.extend({}, searchParams);
            $("#searchResults").load("@Url.Action("SearchJSON", "Search")", searchParams, searchCallback);
            var tttxt = " til salg";
            if (searchParams.transactiontype != 2) tttxt = " købes";
            if (searchParams.text.length > 0) {
                $("#searchtitle").text(searchParams.text + tttxt);
                document.title = searchParams.text + tttxt;
            }
        }

根据我在评论中发布的内容，不知何故（您可能知道这在代码中的位置）您的onchange事件处理程序正在从startUpdate(this)更改为top.location.href=sortLink.replace("{sortOrder}", this.value);。

因此，当select发生更改时，它会替换页面URL，这显然会导致刷新（通过GET）。

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