No Mapping Exists From Object Type Error?

Mar 2, 2011

this is the error i get


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The type sp.DBOperations' exists in both c:WINDOWSMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Files
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Visual Studio :: Error CS0433 - Type Exists In Two Locations

Jan 10, 2011

I am using VS 2010 with an ASP.Net web application (FW: 3.5). When I run the app in VS, I get the following message:

c:WindowsMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Files
oote7d09027703efd1App_Web_commandmodule.aspx.98f065d9.hwdz-ui2.0.cs(150): error CS0433: The type 'ASP.commandmodule_command_master' exists in both 'c:WindowsMicrosoft.NETFrameworkv2.0.50727Temporary
oote7d09027703efd1App_Web_command.master.98f065d9.5f4zhfs0.dll' and 'c:WindowsMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Files

I have deleted the temporary files/folders and as soon as I run the app, I get the same message and the files reappear. This is a show stopper and I do not know where to turn. I have searched the web, but the only thing I found was suggestion to delete the folders, which did not work.

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Compiler Error Type Exists In Two Dynamically Compiled DLLs?

Jun 22, 2010

I've just gone thru a large-ish project and renamed A LOT of namespace directives. Everything works fine on my developer box - deploy it to stage and I get:

Compiler Error Message: CS0433: The type 'ASP.usercontrols_pageheader_ascx' exists in both
'c:WINDOWSMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Files
oot89252a5f7305b927App_Web_hodsbmv3.dll' and '
c:WINDOWSMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Files

Yuck. Very similar to this: Deployment Project dlls cause 'type x exists in both' errors, but must be coming from a different cause.

I have none of the problems I've seen mentioned in other articles (App_Code / CodeFile directive). Worked out why it works on my machine: the website has no problem when it is in a vdir. If I remove the "PageHeader" usercontrol from the masterpage it lives on everthing is fine. If I rename "PageHeader" everything is fine. Updated: renaming the usercontrol doesn't help.

I'd had a look at the assemblies mentioned in the error in reflector; App_Web_hodsbmv3.dll contains dynamic classes for all the usercontrols in my project. App_Web_pageheader.ascx.6bb32623.bs4iljip.dll' contains the same code just for the PageHeader usercontrol. Why would ASPX decide to create the same class in two assemblies?

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C# - Compiler Error Message - CS0433 - Type 'Resources.labels' Exists In Both?

Dec 2, 2010

I just upgraded my blog [URL] to BlogEngine 1.6.1 (from 1.6.0) in order to use the reCaptcha extension. I upgraded my local code from 1.6.0 to 1.6.1, then published via FTP through WebMatrix. After the upgrade, I am getting this error:

Compiler Error Message: CS0433:
The type 'Resources.labels' exists in both
'c:windowsMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Files
'c:windowsMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Files

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MVC :: Unable To Cast Object Of Type 'System.String' To Type' / How To Fix This Error

Mar 24, 2010

i am using this code for send data to view


Controller e 'System.Collections.Generic.IEnumerable [Code]....

by this code i am render view


after run the application i got this error

Unable to cast object of type 'System.String' to type 'System.Collections.Generic.IEnumerable`1[BentaAccounting.Models.Repository.AllData]'.

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Error In ScriptResource.axd: "Object Of Type 'Sys.Extended.UI.AccordionBehavior' Cannot Be Converted To Type 'Sys.UI.Behavior'

Oct 14, 2010

I have an web site where I'm trying to resolve what looks like a problem with ASP.NET AJAX:

Microsoft JScript runtime error:
Sys.ArgumentTypeException: Object of
cannot be converted to type
'Sys.UI.Behavior'. Parameter name:

I've googled around a lot, and looked at the code presented (see below, no idea what it means) but no luck.

I've tried changing scriptmanger scriptmode to release, and a bunch of other things too.


Visual Studio 2010
Ajax control toolkit 4.0
jQuery 1.4.2
jQuery UI 1.8.5

JS Code the error occurs in, inside ScriptResource.axd:

var c=this;
b.UI.Behavior.callBaseMethod(c,eb); --------- this line
var d=c._element;
var f=c.get_name();
var e=d._behaviors;
delete c._element

Declaration of accordion control:

<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="atlas" %>
<atlas:Accordion ID="menu" runat="server" SelectedIndex="0"
ContentCssClass="accordionContent" FadeTransitions="true" FramesPerSecond="30"
TransitionDuration="250" AutoSize="None" Width="270">

*Update: *
Added accordion control declaration as requested, is there anything else I can add that could be useful?

Does anyone have any idea about this error at all - am I right in thinking it's MS AJAX not playing nicely with other javascript (probably jQuery UI) on the page?

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Visual Studio 2008 - .Net Error: "The Type 'foo' Exists In Both "temp1.dll" And "temp2.dll" (pt 2)

Apr 7, 2010

Solution,I had also moved ashx and asmx files at the same time as this. The Class attribute of the WebService/WebHandler directives were pointed at the wrong namespace. The moral of the story is to make sure you view the markup for all as*x files you change the namespace for by right-clicking on them and choosing "View Markup".

I'm experiencing the same problem as in this question and this link, but none of the answers fixed my problem. (edit: Setting the web.config batch attribute works, but that's a coverup, not a solution)

The problem I'm having is with a User Control that I moved from the root directory to a subdirectory within the same Web Application project. It used to work fine before I moved it. When I moved it it started giving me the error message.

It's saying that the class name exists in two dll files in Temporary ASP.NET Files. Sure enough, when I open Reflector, it's in two dlls.

If I rename the class and ascx file, everything works fine. No usages of the original name exist within any of the files in my entire application. When I rename the file, I opened all of the dll files in Temporary ASP.NET Files with Reflector, and no references to the original class name exists.

So where's this phantom reference coming from how can I fix this?

Edit: I literally grepped every file in my working directory for the solution and my temp directory for the old class name and deleted every file that contained it. I then renamed back to the original, broken name and I still get the error.

Server Error in '/' Application.

Compilation Error Description: An error occurred during the compilation of a resource required to service this request. Please review the following

specific error details and modify your source code appropriately.

Compiler Error ssage: CS0433: The type 'ASP.dashboard_badusercontrol_ascx exists in both 'c:Docunts and SettingsmeLocal
SettingsTempTemporary ASP.NET Files oot3c2b7e1f2e8a7620App_Web_badusercontrol.ascx.a57ad085.iljdmp1p.dll' and 'c:Docunts and SettingsmeLocal SettingsTempTemporary ASP.NET Files oot3c2b7e1f2e8a7620App_Web_bhdqaimy.dll'

Source Error:

Line 1098: Line 1099:
Line 1100: private[code].....

Edit:Ok, so I did some more testing on what works and doesn't work.Let's say the original file name was "BadUserControl.ascx" in namespace "MyNamespace".

I moved the file to a directory called "NewDirectory" and changed the namespace to "MyNamespace.NewDirectory". There are no copies of "BadUserControl.ascx" anywhere else on my HDD. I double-checked my TFS history to ensure the ONLY difference is the addition of ".NewDirectory" to the namespace in the markup and code-behind files.

Inside of this namespace are two other user controls named "OtherUserControl" and "AnotherUserControl".

This situation fails:
I have 2 Register directives:

<%@ Register src="BadUserControl.ascx" tagname="BadUserControl" tagprefix="uc1" %>
<%@ Register src="OtherUserControl.ascx" tagname="OtherUserControl" tagprefix="uc2" %>

These situations work:
1) I keep "BadUserControl.ascx" named as is.
I have 1 Register directive on a page in the same namespace:
<%@ Register src="BadUserControl.ascx" tagname="BadUserControl" tagprefix="uc1" %>

2) I change "BadUserControl.ascx" to "GoodUserControl.ascx"
I have 2 Register directives:
<%@ Register src="GoodUserControl.ascx" tagname="GoodUserControl" tagprefix="uc1" %>
<%@ Register src="OtherUserControl.ascx" tagname="OtherUserControl" tagprefix="uc2" %>

3) 2 Register directives without BadUserControl.ascx at all:
<%@ Register src="AnotherUserControl.ascx" tagname="AnotherUserControl" tagprefix="uc1" %>
<%@ Register src="OtherUserControl.ascx" tagname="OtherUserControl" tagprefix="uc2" %>

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I want to encrypt web.config connection string. But Getting Error

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why is this happening. How to tackle with this problem.

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C# - Object Of Type "customObject" Cannot Be Converted To Type CustomObject Error When Invoking A Custom Object

Apr 12, 2010

i am receiving the follwing error when i am invoking a custom object "Object of type 'customObject' cannot be converted to type 'customObject'." Following is the scenario when i am getting the error i am invoking a method in a dll dynamically. Load an assembly

CreateInstance.... calling MethodInfo.Invoke() passing int, string as a parameter for my method is working fine => No exceptions are thrown. But if I try and pass a one of my own custom class objects as a parameter, then I get an ArgumentException exception, and it is not either an ArgumentOutOfRangeException or ArgumentNullException. "Object of type 'customObject' cannot be converted to type 'customObject'."....................

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Of course I understand the type cast issue but why would a IIS recycle resolve the issue?

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Forms Data Controls :: Getting Error - CS0019: Operator '/' Cannot Be Applied To Operands Of Type 'object' And 'int'

Jul 21, 2010

I am moving a website to a new framework. But the old site is in vb and the new on I'm coding it in C#.

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I'm trying to create a self referencing object using linqTOsql mapping. So far, I am definitely in over my head. Here's the code I have:

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NHibernate Mapping Method - Invalid Object Name Employee?

May 10, 2010

I am trying to configure NHibernate on my console application in which I am trying to map an Employee class to a table Employee.I am getting below exception which I have no clue:

class Employee
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Web Forms :: CS0433 - Type '*********' Exists In Both

Dec 6, 2010

I have been reading many other posts on this and can not find the resolution to my issue. My problem is that i'm trying to create a visual studio project for a application that was created years ago with no project. So I have a class file in the app_code directory and I have set it's build action to "Compile" because one of my aspx pages did not find the class that was being accessed. After doing this and running the application I get the CS0433: The type '*********' exists in both error. Both paths go through the temp asp net files. The developer of this app has this call in a aspx page

MyUtils utils = new MyUtils();

Then in the global.asax he has

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CS0433 - The Type Exists In Both Directories

Mar 24, 2011

In a MVC2 project I moved a file from App_code to Content folder, compile it. Then move it back again to App_Code and then changer its Build Action to "Compile". Now I get this error and I don't know how to fix this to make my program work again:

CS0433: The type 'Helper' exists in both 'c:Users...AppDataLocalTempTemporary ASP.NET Files oot00d4b7d2553f9cApp_Code.zowyklar.dll' and 'c:Users...AppDataLocalTempTemporary ASP.NET Files oot00d4b7d2553f9cassemblydl35c6d353719f85663_cde9cb01MyProject.DLL'

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CS0433 - Type 'Resources.Labels' Exists In Both?

Jan 24, 2011

Compilation Error

Description: An error occurred during the compilation of a resource required to service this request. review the following specific error details and modify your source code appropriately.

Compiler Error Message: CS0433: The type 'Resources.Labels' exists in both 'c:WINDOWSMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Files

and 'c:WINDOWSMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Files

Source Error:


Source File: c:HostingSpacessamplesample.comwwwrootApp_CodeMJXWebUIWebControlsValidationSummary.cs Line: 69

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