DataSource Controls :: Server Error: Namespace Linq Does Not Exist In Namespace "System"
May 7, 2010
I am getting this compilation error"
All my pages are receiving this error - website is down; here's the code:
[Code]....
Except my web config file shows linq is accounted for? [Code]....
I would note that I updated to VWD Express 2010 then had to revert back to 3.5 because my host at Arvixe had not updated my server yet. He then said he updated it and I reverted up to 4.0 again. It turned out he hadn't and I tried to revert back...and then this showed up and numerous other errors.
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Sep 2, 2010
I uploaded my website to the server, and I have there a working with wcf - it should be fw 3.5I saw that fw 3.5 is installed on the server and also we have re fw 3.0 sp1.I run my website : www.qenglishcenter.comand I'm getting an error : The type or namespace name 'Linq' does not exist in the namespace 'System' (are you missing an assembly reference?)shouldn't System.linq be already existed ?
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Apr 19, 2010
i get the following error when trying to compile my asp.net site after updating the project from vs2008 to vs2010The type or namespace name 'Syndication' does not exist in the namespace 'System.ServiceModel' (are you missing an assembly reference?)I have the asp.net site targeting 3.5 framework (as it did in vs2008)I also added a reference to System.ServiceModel.Web
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Oct 22, 2010
I'm using MonoDevelop on Mac OS X Snow Leopard to develop an ASP.NET MVC Application. I have tested it on Visual Studio 2008 on Windows 7 and it worked fine, but when compiling it on MonoDevelop it throws the error: The type or namespace name 'Objects' does not exist in the namespace 'System.Data' under this line: public partial class MoviesDBEntities : global::System.Data.Objects.ObjectContext
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Sep 9, 2010
I have a ASMX web service. When I access it from a client the ASMX get compiled but I get this error:
Looking at csc.exe command line from the error detail the System.Windows.Forms asseembly is not referenced.
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: CS0234: The type or namespace name 'Windows' does not exist in the namespace 'System' (are you missing an assembly reference?)
Source Error:
Line 3: using System.ComponentModel;
Line 4: using System.Drawing;
Line 5: using System.Windows.Forms;
Line 6: using System.Xml;
Line 7: using Idp.Core.Configuration;
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Jan 23, 2010
I use vs2008 and my MVC 1.0 and 2.0 Projects were working perfectly but all of a sudden i have an error on trying to compile all of them;
The error is of the form;
Error 1 The type or namespace name 'Controllers' does not exist in the namespace 'XXX' (are you missing an assembly reference?)
Error 3 The type or namespace name 'Models' does not exist in the namespace 'XXX' (are you missing an assembly reference?)
Error 4 The type or namespace name 'AccountController' could not be found (are you missing a using directive or an assembly reference?)
Error 5 The type or namespace name 'IFormsAuthenticationService' could not be found (are you missing a using directive or an assembly reference?)
Error 6 The type or namespace name 'IMembershipService' could not be found (are you missing a using directive or an assembly reference?)
These errors seem to come from the HomeControllerTest and the AccountControllerTest.
note that i recently installed Azure Tools using the Web Installer..Dunno if that could be the cause or problem.
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Apr 20, 2010
I've added the Dynamic.cs file to my project and have set it's Build Action = Compile in order to get the System.Linq.Dynamic namespace.
However, when I try to use any of the new code I am getting an ambiguous call error; see below.
[Code]....
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May 26, 2010
I was earlier having a problem with referencing a 3rd Party Dll (Here) but have overcome this problem and am now having a problem referencing my own classes!
Everything seems fine at build with no errors at all but when I go to run the application it comes up with the following Compilation
Error:Compiler Error Message: CS0234: The type or namespace name 'Secure' does not exist in the namespace 'source_extranet' (are you missing an assembly reference?)
The line that the Error points to this line in the class:
source_extranet.Secure.BackendCustomData newdata =
new source_extranet.Secure.BackendCustomData();
This line of code points to a class in the same folder as the calling code class.
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Apr 14, 2010
I just added web reference to my web application.When running the application its giving the compilation error.Following is the exact problemThe web service which i am referring is also developed by me.The web service is working fine.
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Nov 8, 2010
When I am running my application, I am getting this erro like this:The type or namespace name 'Script' does not exist in the namespace 'System.Web' (are you issing an assembly reference
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.Web.Script.Services.ScriptService]
public class SlideService : System.Web.Services.WebService
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Mar 26, 2011
When I run my ASP.net app I get this 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 Message: CS0234: The type or namespace name 'Exchange' does not exist in the namespace 'Microsoft' (are you missing an assembly reference?)
Source Error:
Line 06: using System.Web.UI.WebControls;
Line 07: using System.Data.OleDb;
Line 08: using Microsoft.Exchange.WebServices.Data; // error
Line 09: using System.Net;
Line 10: using System.Data.SqlClient;
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Nov 3, 2010
when I put a break point i get this error message:
Error 1 The type or namespace name 'X509Certificate' could not be found (are you missing a using directive or an assembly reference?) D:UsersatttDesktop
fre
etetrtDefault.aspx.cs 7 53 D:...attt
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Apr 16, 2010
Using System.Linq; namespace does not supportted in VS2005 version 2.00.
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Jan 3, 2010
i am facing a problem in theme and skin.
when i am trying this in skin
<asp:TextBox runat="server" BackColor="#BFDFFF" BorderColor="Black"></asp:TextBox>
<asp:DropDownList runat="server" BackColor="#BFDFFF"> </asp:DropDownList>
<asp:Button runat="server" BackColor="#BFDFFF" BorderColor="Black" />
<asp:GridView runat="server" AllowPaging="True"
AutoGenerateColumns="False" Width="100%">
<RowStyle BackColor="#BFDFFF" ForeColor="Black" />
<SelectedRowStyle BackColor="#FFFF99" />
<HeaderStyle BackColor="#666666" />
<AlternatingRowStyle BackColor="Silver" />
</asp:GridView>
<asp:DataList runat="server" Width="100%" RepeatColumns="3">
<ItemStyle BackColor="#BFDFFF" ForeColor="Black" Width="90%" />
<AlternatingItemStyle BackColor="Silver" />
<HeaderStyle BackColor="#666666" />
</asp:DataList>
and < pages theme="BlueTheme" runat="Server"/>
then this error comes .
Error1 'XElement'is ambiguous in the namespace 'System.Xml.Linq'.InternalXmlHelper.vb
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Dec 21, 2010
This error comes up when adding a content page to a website. Is there something that I need to add somewhere?
[Code]....
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Jul 16, 2010
i doing one application.That is grid binding .i got this error
System.Web.Mvc.HtmlHelper<object>' does not contain a definition for 'GridView' and the best extension method overload 'MvcApplication2.Code.GridViewExtensions.GridView<T>(System.Web.Mvc.HtmlHelper, MvcApplication2.Code.GridViewData<T>, System.Action<MvcApplication2.Code.GridViewData<T>>, System.Action<T,string>, string, string, System.Action<T>, System.Action<MvcApplication2.Code.GridViewData<T>>)'
how to find this solution and how to change System.Web.Mvc.ViewPage to System.Web.Mvc.ViewPage<Model>
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Jul 16, 2010
I get this 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: CS0234: The type or namespace name 'Xml' does not exist in the namespace 'System' (are you missing an assembly reference?) Source Error:
[Code]....
Line 15: using System.Web.Services.Protocols;
Line 16: using System.ComponentModel;
Line 17: using System.Xml.Serialization;
Line 18:
Line 19:
Source File: c:WindowsMicrosoft.NETFrameworkv4.0.30319Temporary ASP.NET Files
oot4db438488b8d9090App_WebReferences.j5ljvr6f.0.cs
Line: 17
I have this in my web.config:
<compilation debug="true" strict="false" explicit="true" ><!--targetFramework="4.0"-->
<assemblies>
<clear />
<add assembly="System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A"/>
<add assembly="System.Web.Services, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A"/>
<add assembly="System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A"/>
<add assembly="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
<add assembly="System.Web.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add assembly="System.Web.Extensions.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
</assemblies>
</compilation>
<pages controlRenderingCompatibilityVersion="3.5" clientIDMode="AutoID">
[Code....]
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Jan 24, 2011
I transferred my project into another computer from Win XP to Win 7. After installation, I realized that something in my App_code folder, called like mydata.web.utils namespace, has a class called like WebConstants (which is public class and public functions).
now in areas like global.asax, it tells me "WebConstants does not exist in this context"
Even though I have:
<%@ Import Namespace="mydata.web.utils" %>
And webconstants.cs has:
namespace mydata.web.utils
{
public class WebConstants
{
public static String APPLICATION_VERSION = "version";
........
}
}
No syntax errors or compiler errors in webconstants.cs
But everywhere else, it's saying "what is 'web'"??
If I rename the namespace from "web.utils" to just "web", still same problem. If I rename "web.utils" to "wez"--then the compiler errors go away.
But I cannot do this, because then I'd have to change it all over the project, which is a ton of work.
I also notice in the "build output" that there is no App_code being compiled in the project. Maybe because it's an ASP.net folder, I'm not certain. Is that normal?
How is it that the same source code, same visual studio, produces errors in win7 and no errors in the winXP computer?
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Mar 25, 2010
i write a simple webservice code in asp.net when i build the service and run the service it is working fine. when i try to access the webservice it is giving some problem , problem means i am not getting that method (webservice method). After completing writing the webserivce i take a asp.net page (.aspx) and in solution explorer i add a webservices and it is added successfully. but when i adding namespace it is not getting the service name ( i not able to add the namespace of websercice
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Feb 5, 2010
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 Message: BC30560: 'UpdatePanel' is ambiguous in the namespace 'System.Web.UI'. Source Error:
[Code]....
Line 22: ''' <param name="panelId">The name of the updatePanel object</param>
Line 23: ''' <remarks></remarks>
Line 24: Public Shared Sub Show(ByVal message As String, ByVal panelId As System.Web.UI.UpdatePanel)
Line 25: ' Gets the executing web page
Line 26: Dim page As Page = CType(HttpContext.Current.CurrentHandler, Page)
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Feb 10, 2011
I'm getting a warning in my page directives saying that this namespaceystem.Web.UI.DataVisualization.Charting isn't found. I went to add a reference to the project so I could import the namespace and this namespace does not exist in the .NET tab. What do I need to do to get this working? Also, even if I add this to my Global Assembly Cache, that won't do anything for the web host web server that my website is publically on.Any guidance on this? How to get it on my local machine as well as understanding that it'll work on the actual web server?
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Feb 22, 2014
I just upload my website to godaddy server and i am having an error.
The error is:Â The type or namespace name 'RssFeedClass' could not be found (are you missing a using directive or an assembly reference?).
Where 'RssFeedClass' is an object instance of my class file.
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Feb 15, 2011
When i writing: "System.W...", the intellisence isn't show me "System.Web" why?
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Mar 19, 2010
This may seem like a really simple question, but can I use the System.Threading namespace in ASP.NET web forms? I have a web page which uses HTTP GET/POST to gather page customisations (title, subtitle, etc.) from the user and numerical input which is passed to a ASMX web service. Currently they work sequentially, the customisation first followed by numerical processing. So can I use threading to do this?
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Mar 17, 2010
I have an ASP.NET 3.5 website application using C# and SQL 2005 running on a web server. Now the application has the ability to create new aspx pages with content and the relative aspx.cs and design.cs pages needed on the fly and store them in the base directory on the server. Think of it as a crued Visual Studio website on the server for admin to click a few options on a page then the new pages are created for them without the need of a web developer. This all works fine and the code is working 100% (for the moment).
My problem now is the following: When i now navigate to this newly created page i get the following error - Parse Error : Could not load type 'Namespace.PageName'
I've looked into the reasoning and microsoft say "These errors occur if the .aspx page contains a reference to a code-behind module and if the application has not been built." Which now makes sense the application does not realise that these new pages are part of its system even though i can navigate to them.How do i get the system to recognise these new pages and rebuild itself accordingly?Now i cannot rebuild the system localy then reupload to the server, this needs to be accomplished on the server by the system, because the site cannot afford to have down time everytime admin decide to add new pages.
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