Unrecognized tag prefix or device filter 'ext'

  1. #1

    Unrecognized tag prefix or device filter 'ext'

    (My english is not very well, hi)
    Hi everyone. I has added reference and in folder bin of project, Ext.Net.dll existed. But I still encounter the problem above.
    My webconfig as follows:
    <?xml version="1.0"?>
    <configuration>
    	<configSections>
    		<section name="extnet" type="Ext.Net.GlobalConfig" requirePermission="false"/>
    		<sectionGroup name="system.web.extensions" type="System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
    			<sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
    				<section name="scriptResourceHandler" type="System.Web.Configuration.ScriptingScriptResourceHandlerSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
    				<sectionGroup name="webServices" type="System.Web.Configuration.ScriptingWebServicesSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
    					<section name="jsonSerialization" type="System.Web.Configuration.ScriptingJsonSerializationSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="Everywhere"/>
    					<section name="profileService" type="System.Web.Configuration.ScriptingProfileServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
    					<section name="authenticationService" type="System.Web.Configuration.ScriptingAuthenticationServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
    					<section name="roleService" type="System.Web.Configuration.ScriptingRoleServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
    				</sectionGroup>
    			</sectionGroup>
    		</sectionGroup>
    	</configSections>
    	<appSettings>
    		<add key="CrystalImageCleaner-AutoStart" value="true"/>
    		<add key="CrystalImageCleaner-Sleep" value="60000"/>
    		<add key="CrystalImageCleaner-Age" value="120000"/>
    	</appSettings>
    	<connectionStrings/>
    	<extnet scriptMode="Release"/>
    	<system.web>
        <trust level="Full"/>
    		<httpHandlers>
    			<remove verb="*" path="*.asmx"/>
    			<add path="*/ext.axd" verb="*" type="Ext.Net.ResourceHandler" validate="false"/>
    			<add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
    			<add verb="*" path="*_AppService.axd" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
    			<add verb="GET,HEAD" path="ScriptResource.axd" validate="false" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
    			<add verb="GET" path="CrystalImageHandler.aspx" type="CrystalDecisions.Web.CrystalImageHandler, CrystalDecisions.Web, Version=13.0.2000.0, Culture=neutral, PublicKeyToken=692fbea5521e1304"/></httpHandlers>
    		<httpModules>
    			<add name="DirectRequestModule" type="Ext.Net.DirectRequestModule, Ext.Net"/>
    			<add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
    		</httpModules>
    		<compilation debug="true">
    			<assemblies>
    				<add assembly="System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
    				<add assembly="System.Data.DataSetExtensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
    				<add assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
    				<add assembly="System.Xml.Linq, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
    				<add assembly="System.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A"/>
    				<add assembly="Ext.Net,  Version=1.3.0.30977, Culture=neutral, PublicKeyToken=2e12ce3d0176cd87"/>
    				<add assembly="Ext.Net.Utilities, Version=1.3.0.39155, Culture=neutral, PublicKeyToken=2c34ac34702a3c23"/>
    				<!--<add assembly="EPPlus, Version=2.9.0.1, Culture=neutral, PublicKeyToken=ea159fdaa78159a1" />-->
    				<add assembly="Newtonsoft.Json, Version=4.0.8.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed"/>
    				<!--<add assembly="Microsoft.Sharepoint.Sandbox, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c"/>-->
    				<add assembly="CrystalDecisions.Web, Version=13.0.2000.0, Culture=neutral, PublicKeyToken=692FBEA5521E1304"/>
    				<add assembly="CrystalDecisions.Shared, Version=13.0.2000.0, Culture=neutral, PublicKeyToken=692FBEA5521E1304"/>
    				<add assembly="log4net, Version=1.2.10.0, Culture=neutral, PublicKeyToken=692FBEA5521E1304"/>
    				<add assembly="CrystalDecisions.ReportSource, Version=13.0.2000.0, Culture=neutral, PublicKeyToken=692FBEA5521E1304"/>
    				<add assembly="CrystalDecisions.ReportAppServer.Controllers, Version=13.0.2000.0, Culture=neutral, PublicKeyToken=692FBEA5521E1304"/>
    				<add assembly="CrystalDecisions.ReportAppServer.DataDefModel, Version=13.0.2000.0, Culture=neutral, PublicKeyToken=692FBEA5521E1304"/>
    				<add assembly="CrystalDecisions.CrystalReports.Engine, Version=13.0.2000.0, Culture=neutral, PublicKeyToken=692FBEA5521E1304"/>
            <add assembly="CrystalDecisions.ReportAppServer.ClientDoc, Version=13.0.2000.0, Culture=neutral, PublicKeyToken=692fbea5521e1304"/>
          </assemblies>
    		</compilation>
    		<!--
                The <authentication> section enables configuration 
                of the security authentication mode used by 
                ASP.NET to identify an incoming user. 
            -->
    		<authentication mode="Windows"/>
    		<!--
                The <customErrors> section enables configuration 
                of what to do if/when an unhandled error occurs 
                during the execution of a request. Specifically, 
                it enables developers to configure html error pages 
                to be displayed in place of a error stack trace.
    
            <customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm">
                <error statusCode="403" redirect="NoAccess.htm" />
                <error statusCode="404" redirect="FileNotFound.htm" />
            </customErrors>
            -->
    		<pages>
    			<controls>
    				<add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
    				<add tagPrefix="asp" namespace="System.Web.UI.WebControls" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
    			</controls>
    		</pages>
    	</system.web>
    	<system.webServer>
    		<validation validateIntegratedModeConfiguration="false"/>
    		<modules>
    			<remove name="ScriptModule"/>
    			<add name="DirectRequestModule" preCondition="managedHandler" type="Ext.Net.DirectRequestModule, Ext.Net"/>
    			<add name="ScriptModule" preCondition="managedHandler" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
    		</modules>
    		<handlers>
    			<remove name="WebServiceHandlerFactory-Integrated"/>
    			<remove name="ScriptHandlerFactory"/>
    			<remove name="ScriptHandlerFactoryAppServices"/>
    			<remove name="ScriptResource"/>
    			<add name="DirectRequestHandler" verb="*" path="*/ext.axd" preCondition="integratedMode" type="Ext.Net.ResourceHandler"/>
    			<add name="ScriptHandlerFactory" verb="*" path="*.asmx" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
    			<add name="ScriptHandlerFactoryAppServices" verb="*" path="*_AppService.axd" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
    			<add name="ScriptResource" verb="GET,HEAD" path="ScriptResource.axd" preCondition="integratedMode" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
    			<add name="CrystalImageHandler.aspx_GET" verb="GET" path="CrystalImageHandler.aspx" type="CrystalDecisions.Web.CrystalImageHandler, CrystalDecisions.Web, Version=13.0.2000.0, Culture=neutral, PublicKeyToken=692fbea5521e1304" preCondition="integratedMode"/></handlers>
    	</system.webServer>
    	<system.codedom>
    		<compilers>
    			<compiler language="c#;cs;csharp" extension=".cs" warningLevel="4" type="Microsoft.CSharp.CSharpCodeProvider, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
    				<providerOption name="CompilerVersion" value="v3.5"/>
    				<providerOption name="WarnAsError" value="false"/>
    			</compiler>
    		</compilers>
    	</system.codedom>
    	<!-- 
            The system.webServer section is required for running ASP.NET AJAX under Internet
            Information Services 7.0.  It is not necessary for previous version of IIS.
        -->
    	<runtime>
    		<assemblyBinding appliesTo="v2.0.50727" xmlns="urn:schemas-microsoft-com:asm.v1">
    			<dependentAssembly>
    				<assemblyIdentity name="System.Web.Extensions" publicKeyToken="31bf3856ad364e35"/>
    				<bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/>
    			</dependentAssembly>
    			<dependentAssembly>
    				<assemblyIdentity name="System.Web.Extensions.Design" publicKeyToken="31bf3856ad364e35"/>
    				<bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/>
    			</dependentAssembly>
    		</assemblyBinding>
    		<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
    			<dependentAssembly>
    				<assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed"/>
    				<bindingRedirect oldVersion="1.0.0.0-4.0.0.0" newVersion="4.0.8.0"/>
    			</dependentAssembly>
    		</assemblyBinding>
    	</runtime>
      
    </configuration>
  2. #2
    Try to add the following directive to the page
    <%@ Register assembly="Ext.Net" namespace="Ext.Net" tagprefix="ext" %>
  3. #3

    Thanks for Vladimir reply

    <%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>
    Thanks for reply.
    I added it in my form but nothing happen.

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