C# - Missing Type Or Namespace Name?
Jun 16, 2010
This is an odd one, not one I've come across before. My project complies and runs fine if I have my classes in the root folder (Not in App_Code).As soon as I move them into the App_Code folder then it will compile, but running it will bring up the old
CS0234: The type or namespace name 'Linq' does not exist in the namespace 'System.Data' (are you missing an assembly reference?)I don't understand how moving the class(es) to the App_Code folder causes the whole thing to fall apart there?Project target is .Net 4 on VWD 2010 Express
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Jul 9, 2010
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Apr 22, 2010
I'm working on a winform application and keep running in to this error:-
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Apr 19, 2010
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Oct 22, 2010
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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?)
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Nov 3, 2010
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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:
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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.
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Nov 8, 2010
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May 26, 2010
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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
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<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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Jul 23, 2010
CatagoriesController.cs
sing System;using System.Linq;using System.Web.Mvc;using ProductSystem.Models;using ProductSystem.ViewModels; namespace ProductSystem.Controllers{ public class CatagoriesController : Controller {
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[code]...
"The Type or namespace name 'Manufacturers' Could not be found......
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Mar 29, 2010
I am following the tut here[URL]
[Code]....
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Apr 4, 2011
The type or namespace name 'XmlConfigurator' could not be found (are you missing a using directive or an assembly reference?)
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Jan 11, 2011
I am getting a strange error over one site vs another. I have created a chart web site that works, but now I'm moving that code into an existing website. I'm getting this error (see title) and cannot figure out why. The references are the same and I have the using directives the same (as far as I can tell). I'm stumped.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.DataVisualization.Charting;
using System.Data.SqlClient;
using System.Drawing;
using System.Data;
...
Charting.Title vbTitle = new Charting.Title( ddlSchool.SelectedItem.Text.ToString() + " Logins per Hour" );
...
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Jun 14, 2010
I have downloaded Json.net dll from http://json.codeplex.com/releases/view/43775. I extracted asp.net 2.0 dll and copied into my application bin folder under applicationin folder in inetpubwwwroot.Then I added json refrence in inline aspx code page as<%@ Import Namespace="Newtonsoft.Json" %>Now whenever I try to run my aspx page, it gives me following errorThe type or namespace name 'Newtonsoft' could not be found (are you missing a using directive or an assembly reference?) at System.Web.Compilation.AssemblyBuilder.Compile()
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Jul 30, 2014
I have error in vs 2012
The type or namespace name 'CrystalDecisions' could not be found (are you missing a using directive or an assembly reference?)
Error 18 The type or namespace name 'ReportDocument' could not be found (are you missing a using directive or an assembly reference?)
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Feb 15, 2010
I have created a ASP.NET 3.5 web application and in it I have SearchGridView.vb class file in the directory Old_App_Code. This file creates a namespace MyApp.WebControls, which is also referenced in web.config in a namespace tag, as well as included as an import directive at the beginning of my content page. Unfortunately, I receive the following error: Warning 1 Namespace or type specified in the project-level Imports 'MyApp.WebControls' doesn't contain any public member or cannot be found. Make sure the namespace or the type is defined and contains at least one public member. Make sure the imported element name doesn't use any aliases. Here's the first several lines of my class file SearchGridView.vb:
[Code]....
why this is happening, as well as possible fixes? I cannot impement the asp:SearchGridView due to this error.
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