doPostback failing in IE 11+ Windows 8.1
I am getting blank page in IE 11 in Windows 8.1 Preview.After Inspecting the page I assumed that following code might be the culprit,since after these line there is not furt
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Its likely that you're tripping over an issue with the browser detection on IIS. Scott Hanselman wrote about this in the past with IE10, and the problem you're having does appear to mirror his description.
A hotfix available at the time, http://support.microsoft.com/kb/2600088, stated:
By default, ASP.NET uses sniffing technology for the user agent string to detect browsers. The browser definition files cover a certain range of browser versions. However, as the version numbers increase, ASP.NET might not recognize new versions of a browser by using the user agent string. In this case, ASP.NET might handle these versions as an unknown browser. For example, ASP.NET cannot recognize Windows Internet Explorer 10 that has the following user agent string:
Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/6.0)However, this hotfix appears not to apply to IE11 due to a new format of user agent. There is a NuGet package named App_Browsers that may contain a fix, but until then you will have to write your own rule.
MSDN Browser Definition File Schema gives details on how to write a browser detection file; you will find your existing files in C:\Windows\Microsoft.NET\Framework\v4.0.30319\Config\Browsers.
According to MSDN Compatibilty Changes in IE11 Preview, the user agent for IE11 in Preview is:
Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Geckowhich is not recognised by the standard IE regex (hence the problem you're seeing), however the following should work instead:
Trident\/7.0; rv:(?'version'(?'major'\d+)(\.(?'minor'\d+)?)(?'letters'\w*))(?'extra'[^)]*)I've not tested it in a live environment, but this does parse the major and minor version correctly, which are key to solving the original problem - try adding this as another match in the file
ie.browser.
Note that a similar question was asked on MSDN recently - it may be worthwhile following and contributing to that.讨论(0) -
I used the above ie11.browser file mentioned above by Sistemas-infoe, put it in App_Browser folder and it did work on Windows 2003, II6.
For pre-compiled code, make sure you delete __browserCapabilitiesCompiler.compiled from bin folder to get it to recognize the new file.
What did not work was solution given here http://support.microsoft.com/kb/2836939/en-us Also, putting this file in C:\Windows\Microsoft.NET\Framework\v4.0.30319\Config\Browsers and registering it using aspnet_regbrowsers.exe -i did not work.
Almost forgot to mention. If this solution had not worked, next I would have tried this. http://jwcooney.com/2013/11/19/asp-net-doesnt-detect-ie11/
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Different ISP will lock down their servers to a specific Build and IGNORE valuable fixes. FASTHOSTS in the UK have their .net 3.5 servers locked down and have not applied IE Fixes leaving it down to the programmer to introduce Browser files as necessary.
It is common policy to lock the servers down with the cry from the ISP "It ensures a stable environment for the programmer!"
The following was gleamed from Scott Hanselman website / detailed solution when IE10 was about to explode onto the scene and recently adjusted. Without it, for example, Ajax toolkit watermark extenders for text boxes do not apply classes properly.
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<browser id="IE11" parentID="Mozilla"> <identification> <userAgent match="Trident\/7.0; rv:(?'version'(?'major'\d+)(\.(?'minor'\d+)?)(?'letters'\w*))(?'extra'[^)]*)" /> <userAgent nonMatch="IEMobile" /> </identification> <capture> <userAgent match="Trident/(?'layoutVersion'\d+)" /> </capture> <capabilities> <capability name="browser" value="IE" /> <capability name="layoutEngine" value="Trident" /> <capability name="layoutEngineVersion" value="${layoutVersion}" /> <capability name="extra" value="${extra}" /> <capability name="isColor" value="true" /> <capability name="letters" value="${letters}" /> <capability name="majorversion" value="${major}" /> <capability name="minorversion" value="${minor}" /> <capability name="screenBitDepth" value="8" /> <capability name="type" value="IE${major}" /> <capability name="version" value="${version}" /> </capabilities> </browser> <!-- Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11,0) like Gecko --> <browser id="IE110" parentID="IE11"> <identification> <capability name="majorversion" match="11" /> </identification> <capabilities> <capability name="ecmascriptversion" value="3.0" /> <capability name="jscriptversion" value="5.6" /> <capability name="javascript" value="true" /> <capability name="javascriptversion" value="1.5" /> <capability name="msdomversion" value="${majorversion}.${minorversion}" /> <capability name="w3cdomversion" value="1.0" /> <capability name="ExchangeOmaSupported" value="true" /> <capability name="activexcontrols" value="true" /> <capability name="backgroundsounds" value="true" /> <capability name="cookies" value="true" /> <capability name="frames" value="true" /> <capability name="javaapplets" value="true" /> <capability name="supportsCallback" value="true" /> <capability name="supportsFileUpload" value="true" /> <capability name="supportsMultilineTextBoxDisplay" value="true" /> <capability name="supportsMaintainScrollPositionOnPostback" value="true" /> <capability name="supportsVCard" value="true" /> <capability name="supportsXmlHttp" value="true" /> <capability name="tables" value="true" /> <capability name="supportsAccessKeyAttribute" value="true" /> <capability name="tagwriter" value="System.Web.UI.HtmlTextWriter" /> <capability name="vbscript" value="true" /> </capabilities> </browser> <!-- Below is older entry --> <browser id="IE5to9" parentID="IE"> <identification> <capability name="majorversion" match="^[5-9]|[1-9]\d+" /> </identification> <capture> </capture> <capabilities> <capability name="activexcontrols" value="true" /> <capability name="backgroundsounds" value="true" /> <capability name="cookies" value="true" /> <capability name="css1" value="true" /> <capability name="css2" value="true" /> <capability name="ecmascriptversion" value="1.2" /> <capability name="frames" value="true" /> <capability name="javaapplets" value="true" /> <capability name="javascript" value="true" /> <capability name="jscriptversion" value="5.0" /> <capability name="msdomversion" value="${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>讨论(0)
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