Configuration :: Unable To Load File Or Assembly 'System.Web.Extensions?
Mar 15, 2011
Server Error in '/IMGcup' Application.
Configuration Error
Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.
Parser Error Message: Could not load file or assembly 'System.Web.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.
Source Error: [Code]....
Source File: C:inetpubwwwrootIMGcupweb.config Line: 24 Assembly Load Trace: The following information can be helpful to determine why the assembly 'System.Web.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' could not be loaded.
[Code]....
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Jan 28, 2011
I had web application developed in VS 2005 + Sql server 2005 + Ajax 1.0 Extension . (Developed in Windows Server 2005) Now i am migrating to VS 2008.(Windows Server 2008 + Sql server 2008)
After opening and compile my Existing application in VS 2008,i am getting error.
Errors :-
Unable to load file or assembly 'System.web.Extenstions'' version=1.0.61025. (I think it because of AJAX Extension version.So i installed AJAX Extension 1.0 but it will give me ambiguous error so i uninstalled.I am added reference for version=3.5.0 but again unsuccessful.) What i will do now? Also i used 'Microsoft.SqlServer.SmoEnum', Version=9.0.242.0 in VS 2005. (Are i have to change it to version=10.0.0.0? by adding reference to new version.) I also used crystal report.(Is there is anything to do with it?)
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Oct 11, 2010
i have installed ajax control kit successfully and all controls already came in toolbar tab named "Ajax Control toolkit"But when i try to design any page using with ajax control toolkit, follow error is coming:
Could not load type 'System.Web.UI.ScriptReferenceBase' from assembly 'System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.TypeLoadException: Could not load type 'System.Web.UI.ScriptReferenceBase' from assembly 'System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'.
Source Error:[Code]....
Stack Trace: [Code]....
[TypeLoadException: Could not load type 'System.Web.UI.ScriptReferenceBase' from assembly 'System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'.]
AjaxControlToolkit.ToolkitScriptManager.OnResolveScriptReference(ScriptReferenceEventArgs e) in [code]...
I am using VIsual Studio 2008 , framework 3.5 but i don't know why in error information version is showing 2.0
i install tool kit according 3.5 framework.also note, framework built-in ajax tags i can use fine and they work properly.
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Jul 8, 2010
I purchased a new computer and put all my development software on. Now when I load an asp.net 2.0 project I get the following error:-
Code:
Error3E:RPPResolve-ITASPDotNET2.0HansooKwanDirections.aspx: ASP.NET runtime error: Could not load file or assembly 'System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified. (E:RPPResolve-ITASPDotNET2.0HansooKwanweb.config line 44)E:RPPResolve-ITASPDotNET2.0HansooKwanDirections.aspx11E:...HansooKwan
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Mar 15, 2011
Server Error in '/IMGcup' Application.
Configuration Error
Description: An error occurred during
the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.
Parser Error Message: Could not load file or assembly 'System.Web.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The
system cannot find the file specified.
Source Error:
[Code]....
Source File: C:inetpubwwwrootIMGcupweb.config Line: 24 Assembly Load Trace: The following information can be helpful to determine why the assembly 'System.Web.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' could not be loaded.
[Code]....
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Jun 10, 2010
I installed the app http://and when I ran the default page I get the error below:From my research they ask you to copy the DLLs into your bin folder and I did and still would not work.I see the DLLs at C:WINDOWSassembly folder.Where am I supposed to have the DLLs? what is the best practice? The log clearly shows it is looking for LOG: Initial PrivatePath = C:InetpubwwwrootPTIssueTracker2.5in after I enabled the Fusion log registry.i found the DLLs at C:Program FilesReference AssembliesMicrosoftFrameworkv3.5. Below is the error:
Configuration Error
Description:
An error occurred during the processing of a configuration file required to service this request.
Parser Error Message: Could not load file or assembly 'System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.
Source Error:
[Code]....
Source File: C:InetpubwwwrootPTIssueTracker2.5web.config Line: 80 Assembly Load Trace: The following information can be helpful to determine why the assembly 'System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' could not be loaded.
[Code]....
If I copy the DLLs from C:Program FilesReference AssembliesMicrosoftFrameworkv3.5
into C:InetpubwwwrootPTIssueTracker2.5in, I get the error below:
Description:
An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.
Parser Error Message: Could not load file or assembly 'System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference.
(Exception from HRESULT: 0x80131040)
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Jan 4, 2010
I'm getting ' Could not load file or assembly 'System.Web.Extensions, Version=1.0.61025.0, Culture=neutral,PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.' when dragging AJAX Extention to any page.I've been uninstalling and reinstalling VS2005 whole day. Meanwhile there are no AJAX Control Toolkit in Toolbox and AJAX enabled templetes are missing.
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May 29, 2010
I'm working on my ASP Application 2.0 framework with AJAX Extension 1.0 installed on my pc. I'm getting an error on my CrystalReportViewer:Could not load file or assembly 'System.Web.Extensions, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)" I already tried some solutions I found in google but it's still im getting the error.:
[URL]Below are the codes for my web.config
[Code]....
Here's my code in the webform
[Code]....
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Dec 15, 2010
i have installed ajaxtoolkit 3.5 but when i debug i am getting this error Could not load type 'System.Web.UI.ScriptReferenceBase' from assembly 'System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' even i have changed my tags to
<asp:ToolkitScriptManager
ID="ToolkitScriptManager1"
EnablePartialRendering="true"
runat="server"></asp:ToolkitScriptManager>
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Mar 4, 2010
I installed Cahrt control of ASP:Net and It works fine on local. I made neccessary changes on web.config but When I deploy it to my site I am getting the error ! It says as below;
Server Error in '/' Application.
Parser Error
Description:An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately.
Parser Error Message: Could not load file or assembly 'System.Web.DataVisualization, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.
Source Error:
[Code]....
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Aug 25, 2010
I have created an application which runs fine in VS2010.Now i am trying to host that application using inetmgr.When i try to browse the page from inetmgr content view then i get the "Parser Error Message: Could not load file or assembly 'System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. The system cannot find the file specified".If i browse the page from VS i am able to do it.I am not able to host the app. may be the reason is the above stated error.
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Sep 6, 2010
I'm using Visual Studio 2008 and i downloaded the toolkit from Codeplex,I downloaded the zip file which i've marked red in the below link..This is my code, [Code]....
& this is the error i get," Could not load type 'System.Web.UI.ScriptReferenceBase' from assembly 'System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' "
I saw this post,http://forums.asp.net/p/1273185/3439540.aspx and
i changed my TOOLSCRIPTMANAGER into SCRIPTMANAGER & now i get this error
http://forums.asp.net/t/1529516.aspx
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May 10, 2010
My application is running fine locally when I deploy it it is giving me the above error saying
Description:
An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
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Mar 18, 2010
I'm having trouble moving a website from one server to another. It seems to be a problem loading multiple versions of System.Web.Extensions. The code uses version 3.5 in most places but a third party control appears to be needing version 1.0.6. I didn't think this was possible but it appears to be working in it's current situation.
Is there a way I can use the GAC version of System.Web.Extensions for the site but import a dll of version 1.0.6 just for these controls?
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Mar 3, 2011
An error occurred during the processing of a configuration file required to service this request. review the specific error details below and modify your configuration file appropriately.Parser Error Message: Could not load file or assembly 'System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.
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Jun 30, 2010
I have a rather simple internal ASP.Net Website that has issues loading the Microsoft.Practices.EnterpriseLibrary.Data dll about once a week. Here is the Exception message:
System.IO.FileLoadException: Could not load file or assembly 'Microsoft.Practices.EnterpriseLibrary.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. Access is denied.
File name: 'Microsoft.Practices.EnterpriseLibrary.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null'
at foobar.Intranet.Logic.Data.UserDB.SelectByUserName(String userName)
at foobar.Intranet.Logic.Info.User.ValidateUser(String userName) in F:Developmentfoobarfoobarfoobar.Intranet.LogicInfoUser.cs:line 130
at Login.ValidateUser(String username, String password) in e:foobarfoobar.IntranetLogin.aspx.cs:line 32
Pre-bind state information
LOG: User = Unknown
LOG: DisplayName = Microsoft.Practices.EnterpriseLibrary.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null
(Fully-specified)
LOG: Appbase = file:///E:/foobar/foobar.Intranet/
LOG: Initial PrivatePath = E:foobarfoobar.Intranetin Calling assembly : foobar.Intranet.Logic, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null.
LOG: This bind starts in default load context.
LOG: Using application configuration file: E:foobarfoobar.Intranetweb.config
LOG: Using host configuration file: \?C:WINDOWSMicrosoft.NETFrameworkv2.0.50727aspnet.config
LOG: Using machine configuration file from C:WINDOWSMicrosoft.NETFrameworkv2.0.50727configmachine.config.
LOG: Policy not being applied to reference at this time (private, custom, partial, or location-based assembly bind).
LOG: Attempting download of new URL file:///C:/WINDOWS/Microsoft.NET/Framework/v2.0.50727/Temporary ASP.NET Files/foobar.intranet/668896d8/82d7e51c/Microsoft.Practices.EnterpriseLibrary.Data.DLL.
LOG: Attempting download of new URL file:///C:/WINDOWS/Microsoft.NET/Framework/v2.0.50727/Temporary ASP.NET Files/foobar.intranet/668896d8/82d7e51c/Microsoft.Practices.EnterpriseLibrary.Data/Microsoft.Practices.EnterpriseLibrary.Data.DLL.
LOG: Attempting download of new URL file:///E:/foobar/foobar.Intranet/bin/Microsoft.Practices.EnterpriseLibrary.Data.DLL.
ERR: Failed to complete setup of assembly (hr = 0x80070005). Probing terminated.
Things of note:
A simple IIS Reset fixes the issue. We had the same code running on a single webserver with no problems. We then moved the site to two new, load balanced (using sticky sessions) webservers (all three Windows Server 2003 R2 Standard Edition SP1). Now each of the load balanced webservers throw this exception about once a week just out of the blue.The only major difference I can think of, is I've installed the 4.0 .NET framework on the load balanced servers. The website is still running under ASP.NET 2.0 so I don't see how this would be an issue I've configured the indexing service to not search the "Temporary ASP.NET Files" folder, but it didn't help. We use the Microsoft.Practices.EnterpriseLibrary.Data dll everywhere on our site. Almost every single page uses our logic dll which in turn utilizes the EnterpriseLibrary dlls. While the errors where happening once, I even looked to see what processes were locking the dll in the "Temporary ASP.NET Files" folder, and it wasn't any different than the locks on the server that was working fine. Once the error starts, it errors every single time until an iisreset is performed.
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Aug 25, 2010
I've tried deploying my asp.net app to a new server and I get this error:
Could not load file or assembly
'System.Web.Entity, Version=3.5.0.0,
Culture=neutral,
PublicKeyToken=b77a5c561934e089' or one of its dependencies. The system cannot find the file specified.
Sure enough, System.Web.Entity isn't found in C:WindowsAssembly. However, the server has MS .NET Framework 3.5 installed and also MS ASP.NET 2.0 AJAX Extensions 1.0. Is this something I need to deploy with my app, or something I need to be installed on the server? It's not my own server so xcopy deployment within my app folder would be much better if that's possible.
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Apr 23, 2010
I have an ASP.NET project and I want to use some AjaxToolKit Extenders on my pages.
The site is created in VS2010, set to Framework 4.0.
This is what I did:
1) Add reference "AjaxToolKit.dll" to my project.
2) Add to the toolbar the same file for the controls
3) Add "ToolkitScriptManager" to the page source.
This adds the declaration to the source as well.
Right after this I get the following error:
Reference required to assembly 'System.Web.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' containing the base class 'System.Web.UI.ScriptManager'. Add one to your project.
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Jul 27, 2010
Now I have WCF web.config problem. At first, I have parent website .net 2.0 "WebApp" which use "system.web.extensions" assembly.
<configuration>
configSections>
sectionGroup name="system.web.extensions" type="System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35">
sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35">
[code]...
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Mar 23, 2011
I am developing the Windows Live@edu SSO integration with asp.net custom code.It uses the DLL called "System.Management.Automation" for executing Windows powershell v2.0 commands for connecting Outlook Live Apps.It works fine in localhost,but during deployment in Windows server 2008 , it shows error called
Could not load type 'System.Management.Automation.Runspaces.PSSession' from assembly 'System.Management.Automation, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'."
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Nov 14, 2010
i m Creating a Validation Control for CheckBoxLists ,and i follow this link
i convert C# class to vb.net ,and put validator to checkbox list
here is the code for check box list
[code]
i m Creating a Validation Control for CheckBoxLists ,and i follow this link
http://aspnet.4guysfromrolla.com/web...040302-1.shtml
i convert C# class to vb.net ,and put validator to checkbox list ,here is the code for check box list
Code:
<asp:CheckBoxList ID="hotel_requirement_Types" RepeatColumns=3 RepeatDirection=Horizontal runat="server">
[code]....
i have class
Code:
Imports System.Web.UI
Imports System
[code]....
Description: An error occurred during the parsing of a resource required to service this request.Parser Error Message:
Could not load file or assembly 'RequiredFieldValidatorForCheckBoxLists' or one of its dependencies. The system cannot find the file specified.
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Jan 13, 2010
I am getting this message on my Page element. However my project references C:Program FilesMicrosoft ASP.NETASP.NET MVC 2AssembliesSystem.Web.Mvc.dllwhich is Version 2.0.0.0Furthermore my Web.config contains
<assemblies>
<add assembly="System.Web.Mvc, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
This is VS2010.I created the blank project with VS2010 and then copied the code (without Web.config) from the old project.
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Apr 27, 2010
I have writen a simple asp.net App to display stats in the call center I work in. I was working fine until yesterday afternoon when i started getting the following error
Could not load file or assembly 'System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' or one of its dependencies. The system cannot find the file specified. The server is only running windows 2000 teminal so can only run .net 2.0. I am using Visual Studio 2008 Express to write the code and have set the Target Framework to .NET Framework 2.0 under the Properties page and hit the F5 key and it ran fine.
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Sep 17, 2010
I have an asp.net website application that uses MySQL as the database. It has been working just fine until... I updated from MySQL version 6.1.3 to version 6.3.4. Prior to updating, I uninstalled 6.3.1. I changed my web.config file to reference the new version as well as the machine.config. It works fine on my development machine. I publish the website to the production server and when I browse to this site I get an error:
[Code]....
I have searched the entire server for any text corresponding to "6.3.1.0" but nothing found. It appears like there is something in some configuration reference that has not been updated to the new version of MySQL.
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Apr 22, 2010
I am working on project in VS 2008 (ASP.Net, C#).
When I view a page in browser it throws following error.
Could not load file or assembly 'Microsoft.Licensing.Permutation_f50a9_2.0(1907)' or one of its dependencies. The parameter is incorrect. (Exception from HRESULT: 0x80070057 (E_INVALIDARG))
Description:
An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.IO.FileLoadException: Could not load file or assembly 'Microsoft.Licensing.Permutation_f50a9_2.0(1907)' or one of its dependencies. The parameter is incorrect. (Exception from HRESULT: 0x80070057 (E_INVALIDARG))
Source Error:
[Code]....
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