Error and FIX: ASP. NET cannot detect Ie10,ie11, cause _dopostback not defined JavaScript error, constant in F5 scroll bar position

<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= "one"/>
</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>

Error and FIX: ASP. NET cannot detect Ie10,ie11, cause _dopostback not defined JavaScript error, constant in F5 scroll bar position