Net4.0的网站在IE10、IE11出现“__doPostBack未定义”的解决办法。

方法一、浏览器设置成兼容模式。

方法二、安装服务器版的.Net40的补丁。http://download.csdn.net/detail/5653325/6642051

方法三、点击VS的工具菜单--》库程序包管理器--》程序包管理器控制台（如果没有“库程序包管理器”的菜单，就先点那个“扩展管理器”，安装一个叫“NuGet程序包管理器”，然后就会有了。），点击后下面会出现一个连接PowerShell的控制台，等控制台加载完毕后输入

              install-package App_BrowsersUpdate  回车

               等待安装完成后，网站根目录下面会出现一个App_BrowsersUpdate目录。然后再访问就不会出现“__doPostBack未定义”的错误提示了。

 

 

以上的方法三解决不了IE11在NET4.0下出现“__doPostBack未定义”的办法。

IE11的解决方法是（下面方法二选一）：

一、服务器安装.net4.0的补丁（下载地址：http://download.csdn.net/detail/5653325/6642051）

二、在上面方法三生成的App_Browsers\ie.browser添加以下文字，在顶部的<browsers>下面：

[html] view plaincopyprint?

<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>

 

 

http://blog.csdn.net/codefighting/article/details/37764355

<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>