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So, I'm working on this project between my laptop and my desktop.

The project works on the laptop, but now having copied the updated source code onto the desktop, I have over 500 errors in the project, all of them are...

The name does not exist in the current context

Here's one example...

Jobs.aspx

<%@ Page Title="" Language="C#" MasterPageFile="~/Members/Members.master" AutoEventWireup="true" CodeFile="Jobs.aspx.cs" Inherits="Members_Jobs" %>

<%@ Register Namespace="AjaxControlToolkit" Assembly="AjaxControlToolkit" TagPrefix="aj" %>

<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
    <asp:UpdatePanel runat="server" ID="upJobs">
        <ContentTemplate>
            <!-- page content goes here -->
        </ContentTemplate>
    </asp:UpdatePanel>
</asp:Content>

Jobs.aspx.cs

public partial class Members_Jobs : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            loadJobs();
            gvItems.Visible = false;
            loadComplexes();
            loadBusinesses();
            loadSubcontractors();
            loadInsurers();

            pnlCallback.Visible = false;
            pnlInsurer.Visible = false;
        }
    }

    // more goes down here
}

Here's a sample of the designer.cs file...

namespace stman.Members {


    public partial class Jobs {

        /// <summary>
        /// upJobs control.
        /// </summary>
        /// <remarks>
        /// Auto-generated field.
        /// To modify move field declaration from designer file to code-behind file.
        /// </remarks>
        protected global::System.Web.UI.UpdatePanel upJobs;
    }
}

I know this error means that the control being referenced generally doesn't exist or is not a part of the class that's referencing it, but as far as I can see, that isn't the case here.

Can anyone provide some insight?

Jobs.aspx

This is the phyiscal file -> CodeFile="Jobs.aspx.cs"

This is the class which handles the events of the page -> Inherits="Members_Jobs"

Jobs.aspx.cs

This is the partial class which manages the page events -> public partial class Members_Jobs : System.Web.UI.Page

The other part of the partial class should be -> public partial class Members_Jobs this is usually the designer file.

you dont need to have partial classes and could declare your controls all in 1 class and not have a designer file.

EDIT 27/09/2013 11:37

if you are still having issues with this I would do as Bharadwaj suggested and delete the designer file. You can then right-click on the page, in the solution explorer, and there is an option, something like "Convert to Web Application", which will regenerate your designer file

C# Error, cs(5,17): error CS0103: The name `name' does not exist in the current context. I am wondering what I did wrong, any help would be appreciated. CS0103 C# The name 'context' does not exist in the current context #9642. cores-system opened this issue on Apr 22, 2019 · 5 comments. cores-system commented on Apr 22, 2019 • Visual Studio 2019 does not see part of the component when using using. Create a component in a different folder. Connect it anywhere using using.

In case someone being a beginner who tried all of the above and still didn't manage to get the project to work. Check your namespace. In an instance where you copy code from one project to another and you forget to change the namespace of the project then it will also give you this error.

Hope it helps someone.

The name does not exist in the current context (Error), Here is my code where I'm getting error, The name does not exist in the current context. Person.cs no errors: using System; using System. Razor View throwing “The name 'model' does not exist in the current context”

"The project works on the laptop, but now having copied the updated source code onto the desktop ..."

I did something similar, creating two versions of a project and copying files between them. It gave me the same error.

My solution was to go into the project file, where I discovered that what had looked like this:

<Compile Include="App_Code\Common\Pair.cs" />
<Compile Include="App_Code\Common\QueryCommand.cs" />

Now looked like this:

<Content Include="App_Code\Common\Pair.cs">
  <SubType>Code</SubType>
</Content>
<Content Include="App_Code\Common\QueryCommand.cs">
  <SubType>Code</SubType>
</Content>

When I changed them back, Visual Studio was happy again.

Compiler Error CS0103, The name 'identifier' does not exist in the current context. An attempt was made to use a name that does not exist in the class, namespace,  txt_ExpirationDate does not exist in current context in IsValidExpiration method

I came across a similar problem with a meta tag. In the designer.cs, the control was defined as:

protected global::System.Web.UI.HtmlControl.HtmlGenericControl metatag;

I had to move the definition to the .aspx.cs file and define as:

protected global::System.Web.UI.HtmlControl.HtmlMeta metatag;

CS0103 C# The name 'context' does not exist in the current context , Create a component in a different folder. Connect it anywhere using using; Error "​CS0103 C # The name 'context' doesn't exist in the current  Name age does not exist in the current context Tag: c# , scope , calculator I have an assignment to write a simple program in C# on Visual Studio that reads your birth date from the console, prints back your age now and your age after ten years.

From the MSDN website:

This error frequently occurs if you declare a variable in a loop or a try or if block and then attempt to access it from an enclosing code block or a separate code block.

So declare the variable outside the block.

[Solved] the name 'xxx' does not exist in the current context , Since I could not find the proper solution, I loaded the methods in the file to be referenced into the .cs file locally, the compiling error was gone. The name 'controlname' does not exist in the current context. I have a web application that I'm working on (ASP.NET2.0 with C#, using VS2005). Everything was working fine, and all of a sudden I get the error: and 43 others of the sort for each time that I used a control in my codebehind of the page.

Error CS0103: The name 'some_variable' does not exist in the , Error CS0103: The name 'some_variable' does not exist in the current context. I was able to resolve my issue, never had to do this before but, in the portable  Exact specifics are not exact considering the question was not clear on how the exception manifested. However the underlying symptom is identical therefore I don't see anything wrong with my answer. My intention was to add to the conversation as no answer/comment helped in my case.

The name NNNN does not exist in the current context., Cry about .NET / C# Troubleshooting. The name 'NNNN' does not exist in the current context (C#). Symptom: When compiling a C# application the compiler  The compiler only recognises classes from namespaces that you have in the current context. You add namespace to the context using using statements. You can also use a fully qualified type name such as System.IO.File to refer to the class. I am also facing the same problem, added using statement but no luck.

The name 'Database' does not exist in the current context, I have a WebForm in my web site project that runs on my test server from Internet Explorer and Chrome on the network so I know it can work. Because it's telling you the truth. Those variables are not in the context that they're being called. The variable "monster" is defined inside the Start() method, so it can only be used inside the Start() method. Once Start() returns, the "monster" variable is thrown away, its memory is deleted.

Comments
  • Do you see the instance variables in the designer.cs file?
  • Point in fact, I don't... just definitions for all the controls on the page
  • You will have a Designer.cs file. Delete it and regenerate.
  • public partial class Members_Jobs and public partial class Jobs do not match
  • @SecretSquirrel So which one should it be? I assume the designer files need to have the Members_ on their class definitions
  • I understand all that, but the problem persists. Please see my updated question with a screenshot of of the codefile and the designer side-by-side
  • Thanks Squirrel! I was unsure about how to regenerate the designer files... Can you explain why this should be necessary? I mean... What happened to the project?
  • @Ortund to be honest I do not know... if everything is referenced properly and all the controls exist, etc it should work...
  • would be nice if you could have saved the old designer file and then created the new one to see the difference :)
  • Do I have to this for each individual page? What if I add a page later, I have to do that to all the new ones too? The new page I created is the same as the old one :/
  • YES! Only, what you should've mentioned, is if you click on the class files in the Solution Explorer and get their properties, you can simply change "Build Action" to "Compile" and it will do the same thing. This was awesome and helped me when I was creating an App_Code folder and dumping in my code, and couldn't figure out why it wasn't picking up the classes.