在IE10下，DropDownList的AutoPostBack不能触发
Default.aspx 文件
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!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>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:DropDownList ID="DDL_ValueChange" runat="server" AutoPostBack="True"
onselectedindexchanged="DDL_ValueChange_SelectedIndexChanged">
<asp:ListItem Text="DDL_ValueChange_11" Value="11"></asp:ListItem>
<asp:ListItem Text="DDL_ValueChange_22" Value="22"></asp:ListItem>
<asp:ListItem Text="DDL_ValueChange_44" Value="44"></asp:ListItem>
</asp:DropDownList>
<asp:DropDownList ID="DDL_TextChange" runat="server" AutoPostBack="True"
ontextchanged="DDL_TextChange_TextChanged">
<asp:ListItem Text="DDL_TextChange_110" Value="1"></asp:ListItem>
<asp:ListItem Text="DDL_TextChange_220" Value="2"></asp:ListItem>
<asp:ListItem Text="DDL_TextChange_440" Value="3"></asp:ListItem>
</asp:DropDownList>
<br />
<br />
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
</div>
</form>
</body>
</html>
在网站目录下创建App_Browsers文件夹，增加ie.browser文件（有net2.0和net4.0之分）。
net2.0的ie.browser文件内容如下：
<browsers>
<browser id="IE5to9" parentID="IE">
<identification>
<capability name="majorversion" match="^[5-9]|[1-9]\d+" />
</identification>
<capture>
</capture>
<capabilities>
<capability name="activexcontrols" value="true" />
<capability name="backgroundsounds" value="true" />
<capability name="cookies" value="true" />
<capability name="css1" value="true" />
<capability name="css2" value="true" />
<capability name="ecmascriptversion" value="1.2" />
<capability name="frames" value="true" />
<capability name="javaapplets" value="true" />
<capability name="javascript" value="true" />
<capability name="jscriptversion" value="5.0" />
<capability name="msdomversion" value="${majorversion}${minorversion}" />
<capability name="supportsCallback" value="true" />
<capability name="supportsFileUpload" value="true" />
<capability name="supportsMultilineTextBoxDisplay" value="true" />
<capability name="supportsMaintainScrollPositionOnPostback" value="true" />
<capability name="supportsVCard" value="true" />
<capability name="supportsXmlHttp" value="true" />
<capability name="tables" value="true" />
<capability name="tagwriter" value="System.Web.UI.HtmlTextWriter" />
<capability name="vbscript" value="true" />
<capability name="w3cdomversion" value="1.0" />
<capability name="xml" value="true" />
</capabilities>
</browser>
<browser id="IE6to9" parentID="IE5to9">
<identification>
<capability name="majorversion" match="[6-9]|[1-9]\d+" />
</identification>
<capture>
</capture>
<capabilities>
<capability name="jscriptversion" value="5.6" />
<capability name="ExchangeOmaSupported" value="true" />
</capabilities>
</browser>
<!-- sample UA "Mozilla/4.0 (compatible; MSIE 6.0; Windows 95; PalmSource; Blazer 3.0) 16;160x160" -->
<browser id="Treo600" parentID="IE6to9">
<identification>
<userAgent match="PalmSource; Blazer" />
</identification>
<capture>
<userAgent match="PalmSource; Blazer 3\.0\)\s\d+;(?'screenPixelsHeight'\d+)x(?'screenPixelsWidth'\d+)$" />
</capture>
<capabilities>
<capability name="browser" value="Blazer 3.0" />
<capability name="cachesAllResponsesWithExpires" value="false" />
<capability name="canInitiateVoiceCall" value="true" />
<capability name="canRenderEmptySelects" value="true" />
<capability name="canSendMail" value="true" />
<capability name="cookies" value="true" />
<capability name="ecmascriptversion" value="1.1" />
<capability name="hidesRightAlignedMultiselectScrollbars" value="false" />
<capability name="inputType" value="keyboard" />
<capability name="isColor" value="true" />
<capability name="javascript" value="true" />
<capability name="jscriptversion" value="0.0" />
<capability name="maximumHrefLength" value="10000" />
<capability name="maximumRenderedPageSize" value="300000" />
<capability name="mobileDeviceManufacturer" value="" />
<capability name="mobileDeviceModel" value="" />
<capability name="preferredImageMime" value="image/jpeg" />
<capability name="preferredRenderingMime" value="text/html" />
<capability name="preferredRenderingType" value="html32" />
<capability name="preferredRequestEncoding" value="utf-8" />
<capability name="preferredResponseEncoding" value="utf-8" />
<capability name="rendersBreaksAfterHtmlLists" value="true" />
<capability name="requiredMetaTagNameValue" value="PalmComputingPlatform" />
<capability name="requiresAttributeColonSubstitution" value="false" />
<capability name="requiresContentTypeMetaTag" value="false" />
<capability name="requiresControlStateInSession" value="false" />
<capability name="requiresDBCSCharacter" value="false" />
<capability name="requiresFullyQualifiedRedirectUrl" value="false" />
<capability name="requiresHtmlAdaptiveErrorReporting" value="false" />
<capability name="requiresLeadingPageBreak" value="false" />
<capability name="requiresNoBreakInFormatting" value="false" />
<capability name="requiresOutputOptimization" value="false" />
<capability name="requiresPostRedirectionHandling" value="false" />
<capability name="requiresPragmaNoCacheHeader" value="true" />
<capability name="requiresUniqueFilePathSuffix" value="true" />
<capability name="requiresUniqueHtmlCheckboxNames" value="false" />
<capability name="screenBitDepth" value="24" />
<capability name="screenCharactersHeight" value="13" />
<capability name="screenCharactersWidth" value="32" />
<capability name="screenPixelsHeight" value="${screenPixelsHeight}" />
<capability name="screenPixelsWidth" value="${screenPixelsWidth}" />
<capability name="supportsAccessKeyAttribute" value="true" />
<capability name="supportsBodyColor" value="true" />
<capability name="supportsBold" value="true" />
<capability name="supportsCharacterEntityEncoding" value="true" />
<capability name="supportsCss" value="false" />
<capability name="supportsDivAlign" value="true" />
<capability name="supportsDivNoWrap" value="false" />
<capability name="supportsEmptyStringInCookieValue" value="true" />
<capability name="supportsFileUpload" value="false" />
<capability name="supportsFontColor" value="true" />
<capability name="supportsFontName" value="false" />
<capability name="supportsFontSize" value="true" />
<capability name="supportsImageSubmit" value="true" />
<capability name="supportsIModeSymbols" value="false" />
<capability name="supportsInputIStyle" value="false" />
<capability name="supportsInputMode" value="false" />
<capability name="supportsItalic" value="true" />
<capability name="supportsJPhoneMultiMediaAttributes" value="false" />
<capability name="supportsJPhoneSymbols" value="false" />
<capability name="supportsMultilineTextBoxDisplay" value="true" />
<capability name="supportsQueryStringInFormAction" value="true" />
<capability name="supportsRedirectWithCookie" value="true" />
<capability name="supportsSelectMultiple" value="true" />
<capability name="supportsUncheck" value="true" />
<capability name="tables" value="true" />
<capability name="type" value="Handspring Treo 600" />
</capabilities>
<controlAdapters />
</browser>
<browser id="IE5" parentID="IE5to9">
<identification>
<capability name="majorversion" match="^5$" />
</identification>
</browser>
<browser id="IE50" parentID="IE5">
<identification>
<capability name="minorversion" match="^\.0"/>
</identification>
<controlAdapters>
<adapter controlType="System.Web.UI.WebControls.Menu"
adapterType="System.Web.UI.WebControls.Adapters.MenuAdapter" />
</controlAdapters>
</browser>
<browser id="IE55" parentID="IE5">
<identification>
<capability name="minorversion" match="^\.5"/>
</identification>
<capabilities>
<capability name="jscriptversion" value="5.5" />
<capability name="ExchangeOmaSupported" value="true" />
</capabilities>
</browser>
<browser id="IE5to9Mac" parentID="IE5to9">
<identification>
<capability name="platform" match="(MacPPC|Mac68K)" />
</identification>
<controlAdapters>
<adapter controlType="System.Web.UI.WebControls.Menu"
adapterType="System.Web.UI.WebControls.Adapters.MenuAdapter" />
</controlAdapters>
</browser>
<browser id="IE4" parentID="IE">
<identification>
<userAgent match="MSIE 4" />
</identification>
<capture>
</capture>
<capabilities>
<capability name="activexcontrols" value="true" />
<capability name="backgroundsounds" value="true" />
<capability name="cdf" value="true" />
<capability name="cookies" value="true" />
<capability name="css1" value="true" />
<capability name="ecmascriptversion" value="1.2" />
<capability name="frames" value="true" />
<capability name="javaapplets" value="true" />
<capability name="javascript" value="true" />
<capability name="jscriptversion" value="3.0" />
<capability name="msdomversion" value="4.0" />
<capability name="supportsFileUpload" value="true" />
<capability name="supportsMultilineTextBoxDisplay" value="false" />
<capability name="supportsMaintainScrollPositionOnPostback" value="true" />
<capability name="tables" value="true" />
<capability name="tagwriter" value="System.Web.UI.HtmlTextWriter" />
<capability name="vbscript" value="true" />
</capabilities>
<controlAdapters>
<adapter controlType="System.Web.UI.WebControls.Menu"
adapterType="System.Web.UI.WebControls.Adapters.MenuAdapter" />
</controlAdapters>
</browser>
<browser id="IE3" parentID="IE">
<identification>
<capability name="majorversion" match="^3" />
</identification>
<capture>
</capture>
<capabilities>
<capability name="activexcontrols" value="true" />
<capability name="backgroundsounds" value="true" />
<capability name="cookies" value="true" />
<capability name="css1" value="true" />
<capability name="ecmascriptversion" value="1.0" />
<capability name="frames" value="true" />
<capability name="javaapplets" value="true" />
<capability name="javascript" value="true" />
<capability name="jscriptversion" value="1.0" />
<capability name="supportsMultilineTextBoxDisplay" value="false" />
<capability name="tables" value="true" />
<capability name="vbscript" value="true" />
</capabilities>
<controlAdapters>
<adapter controlType="System.Web.UI.WebControls.Menu"
adapterType="System.Web.UI.WebControls.Adapters.MenuAdapter" />
</controlAdapters>
</browser>
<browser id="IE3win16" parentID="IE3">
<identification>
<userAgent match="16bit|Win(dows 3\.1|16)" />
</identification>
<capture>
</capture>
<capabilities>
<capability name="activexcontrols" value="false" />
<capability name="javaapplets" value="false" />
</capabilities>
</browser>
<browser id="IE3win16a" parentID="IE3win16">
<identification>
<capability name="extra" match="^a" />
</identification>
<capture>
</capture>
<capabilities>
<capability name="beta" value="true" />
<capability name="javascript" value="false" />
<capability name="vbscript" value="false" />
</capabilities>
</browser>
<browser id="IE3Mac" parentID="IE3">
<identification>
<userAgent match="PPC Mac|Macintosh.*(68K|PPC)|Mac_(PowerPC|PPC|68(K|000))" />
</identification>
<capture>
</capture>
<capabilities>
<capability name="activexcontrols" value="false" />
<capability name="vbscript" value="false" />
</capabilities>
</browser>
<gateway id="IE3AK" parentID="IE3">
<identification>
<capability name="extra" match="; AK;" />
</identification>
<capture>
</capture>
<capabilities>
<capability name="ak" value="true" />
</capabilities>
</gateway>
<gateway id="IE3SK" parentID="IE3">
<identification>
<capability name="extra" match="; SK;" />
</identification>
<capture>
</capture>
<capabilities>
<capability name="sk" value="true" />
</capabilities>
</gateway>
<browser id="IE2" parentID="IE">
<identification>
<capability name="majorversion" match="^2" />
</identification>
<capture>
</capture>
<capabilities>
<capability name="backgroundsounds" value="true" />
<capability name="cookies" value="true" />
<capability name="tables" value="true" />
</capabilities>
<controlAdapters>
<adapter controlType="System.Web.UI.WebControls.Menu"
adapterType="System.Web.UI.WebControls.Adapters.MenuAdapter" />
</controlAdapters>
</browser>
<browser id="IE1minor5" parentID="IE">
<identification>
<capability name="version" match="^1\.5" />
</identification>
<capture>
</capture>
<capabilities>
<capability name="cookies" value="true" />
<capability name="tables" value="true" />
</capabilities>
<controlAdapters>
<adapter controlType="System.Web.UI.WebControls.Menu"
adapterType="System.Web.UI.WebControls.Adapters.MenuAdapter" />
</controlAdapters>
</browser>
<gateway id="IEAOL" parentID="IE">
<identification>
<capability name="extra" match="; AOL" />
</identification>
<capture>
</capture>
<capabilities>
<capability name="aol" value="true" />
<capability name="frames" value="true" />
</capabilities>
</gateway>
<gateway id="IEbeta" parentID="IE">
<identification>
<capability name="letters" match="^([bB]|ab)" />
</identification>
<capture>
</capture>
<capabilities>
<capability name="beta" value="true" />
</capabilities>
</gateway>
<gateway id="IEupdate" parentID="IE">
<identification>
<capability name="extra" match="; Update a;" />
</identification>
<capture>
</capture>
<capabilities>
<capability name="authenticodeupdate" value="true" />
</capabilities>
</gateway>
</browsers>
net4.0的ie.browser文件内容如下：
<browsers>
<!-- Mozilla/5.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4325) -->
<browser id="IE6Plus" parentID="IE">
<identification>
<capability name="majorversion" match="^[6-9]|\d{2,}$" />
</identification>
<capabilities>
<capability name="ecmascriptversion" value="3.0" />
<capability name="jscriptversion" value="5.6" />
<capability name="javascript" value="true" />
<capability name="javascriptversion" value="1.5" />
<capability name="msdomversion" value="${majorversion}.${minorversion}" />
<capability name="w3cdomversion" value="1.0" />
<capability name="ExchangeOmaSupported" value="true" />
<capability name="activexcontrols" value="true" />
<capability name="backgroundsounds" value="true" />
<capability name="cookies" value="true" />
<capability name="frames" value="true" />
<capability name="javaapplets" value="true" />
<capability name="supportsCallback" value="true" />
<capability name="supportsFileUpload" value="true" />
<capability name="supportsMultilineTextBoxDisplay" value="true" />
<capability name="supportsMaintainScrollPositionOnPostback" value="true" />
<capability name="supportsVCard" value="true" />
<capability name="supportsXmlHttp" value="true" />
<capability name="tables" value="true" />
<capability name="supportsAccessKeyAttribute" value="true" />
<capability name="tagwriter" value="System.Web.UI.HtmlTextWriter" />
<capability name="vbscript" value="true" />
</capabilities>
</browser>
<!-- Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0;) -->
<browser id="IE6to9" parentID="IE6Plus">
<identification>
<capability name="majorversion" match="^[6-9]$" />
</identification>
</browser>
<!-- Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0;) -->
<browser id="IE7" parentID="IE6to9">
<identification>
<capability name="majorversion" match="^7$" />
</identification>
<capabilities>
<capability name="jscriptversion" value="5.7" />
</capabilities>
</browser>
<!-- Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64;
Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR
3.0.30729) -->
<browser id="IE8" parentID="IE6to9">
<identification>
<capability name="majorversion" match="^8$" />
</identification>
<capabilities>
<capability name="jscriptversion" value="6.0" />
</capabilities>
</browser>
<!-- Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64;
Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR
3.0.30729) -->
<browser id="IE9" parentID="IE6to9">
<identification>
<capability name="majorversion" match="^9$" />
</identification>
<capabilities>
<capability name="jscriptversion" value="6.0" />
</capabilities>
</browser>
<!-- Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0) -->
<browser id="IE10Plus" parentID="IE6Plus">
<identification>
<capability name="majorversion" match="\d{2,}" />
</identification>
<capabilities>
<capability name="jscriptversion" value="6.0" />
</capabilities>
</browser>
<gateway id="IEbeta" parentID="IE">
<identification>
<capability name="letters" match="^([bB]|ab)" />
</identification>
<capture>
</capture>
<capabilities>
<capability name="beta" value="true" />
</capabilities>
</gateway>
</browsers>
还有一个firefox.browser文件，支持firefox，内容如下：
<browsers>
<!-- Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.0.11)
Gecko/2009060215 Firefox/3.0.11 (.NET CLR 3.5.30729) -->
<browser id="Firefox3Plus" parentID="Firefox">
<identification>
<capability name="majorversion" match="[3-9]|\d{2,}" />
</identification>
<capabilities>
<capability name="javascriptversion" value="1.8" />
<capability name="supportsMaintainScrollPositionOnPostback" value="true" />
</capabilities>
</browser>
<!-- Mozilla/5.0 (Windows; U; Windows NT 5.1; sv-SE; rv:1.9.1) Gecko/20090624 Firefox/3.5 -->
<browser id="Firefox3" parentID="Firefox3Plus">
<identification>
<capability name="majorversion" match="^3$" />
</identification>
<capabilities>
</capabilities>
</browser>
<!-- Mozilla/5.0 (Windows; U; Windows NT 5.1; sv-SE; rv:1.9.1) Gecko/20090624 Firefox/3.5 -->
<browser id="Firefox35" parentID="Firefox3">
<identification>
<capability name="minorversion" match="^[5-9]" />
</identification>
<capabilities>
</capabilities>
</browser>
</browsers>
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