IE11“__doPostBack”未定义”
IE 11 下<asp:LinkButton> 点击出现 “__doPostBack”未定义”
在项目根目录 App_Browsers 下新建 浏览器文件(.browser),让其与IE11的 UserAgent 匹配,使 .net framework 认识这是一个已知的浏览器,可以正常地向客户端输出脚本。
在文件里输入以下内容,保存即可。
- <browsers>
- <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}.${minorversion}" />
- <capability name="w3cdomversion" value="1.0" />
- <capability name="ExchangeOmaSupported" value="true" />
- <capability name="activexcontrols" value="true" />
- <capability name="backgroundsounds" value="true" />
- <capability name="cookies" value="true" />
- <capability name="frames" value="true" />
- <capability name="javaapplets" value="true" />
- <capability name="supportsCallback" value="true" />
- <capability name="supportsFileUpload" value="true" />
- <capability name="supportsMultilineTextBoxDisplay" value="true" />
- <capability name="supportsMaintainScrollPositionOnPostback" value="true" />
- <capability name="supportsVCard" value="true" />
- <capability name="supportsXmlHttp" value="true" />
- <capability name="tables" value="true" />
- <capability name="supportsAccessKeyAttribute" value="true" />
- <capability name="tagwriter" value="System.Web.UI.HtmlTextWriter" />
- <capability name="vbscript" value="true" />
- </capabilities>
- </browser>
- </browsers>
<browsers> <browser id="IE11" parentID="Mozilla"> <identification> <userAgent match="Trident\/7.0; rv:(?'version'(?'major'\d+)(\.(?'minor'\d+)?)(?'letters'\w*))(?'extra'[^)]*)" /> <userAgent nonMatch="IEMobile" /> </identification> <capture> <userAgent match="Trident/(?'layoutVersion'\d+)" /> </capture> <capabilities> <capability name="browser" value="IE" /> <capability name="layoutEngine" value="Trident" /> <capability name="layoutEngineVersion" value="${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> </browsers>
另外,用VS打开网站,打开“程序包管理器控制台”,输入install-package App_BrowsersUpdate安装更新也可以
例如:
PM> install-package App_BrowsersUpdate 正在安装“App_BrowsersUpdate 1.0”。
已成功安装“App_BrowsersUpdate 1.0”。
正在将“App_BrowsersUpdate 1.0”添加到 myWebsite。
已成功将“App_BrowsersUpdate 1.0”添加到 myWebsite。