__doPostBack未定义解决方法

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IE10与IE11出现的__doPostBack未定义解决方法

微软NET环境下的一个BUG，官方已经发布了新的补丁包，可直接通过下载最新Framwork补丁得到修改。

除此办法以外，还可以在项目中直接修改，方法如下：

1、项目根目录下，建App_Browsers文件夹

2、在文件夹中新建文件ie.browser文件，文件内容粘贴如下内容：

<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>

3、重启IIS尝试是否修正错误，如未修正，把上述代码粘贴到%WinDir%\Microsoft.NET\Framework64\v4.0.30319\CONFIG\Browsers文件夹

再次尝试。

4、如果还不行，请安装NET插件：http://www.microsoft.com/zh-cn/download/details.aspx?id=28936

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