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Wiep Corbier wrote: What I want doesn't exist and I'm not interested in alternatives that already exists.
I want something new.
Good luck with that Sparky... I've been coding for over 40 years, and have NEVER come up with a use case for identical class names (I'd really like to see multiple inheritance come back, though).
Your actual problem is your weak design, not a perceived missing feature in C#.
Fix your code.
".45 ACP - because shooting twice is just silly" - JSOP, 2010
-----
You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
-----
When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013
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Wiep Corbier wrote: As you can see, the property with the name Skills is a string.
It can be a long string and it stores one or more Skills.
Forget multiple classes with the same name, I'm wondering why in the world you would do this.
Social Media - A platform that makes it easier for the crazies to find each other.
Everyone is born right handed. Only the strongest overcome it.
Fight for left-handed rights and hand equality.
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Why? I just explained it several times.
Quote: When answering a question please;
Read the question carefully
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Wiep Corbier wrote: I just explained it several times.
Not in your OP. 
Social Media - A platform that makes it easier for the crazies to find each other.
Everyone is born right handed. Only the strongest overcome it.
Fight for left-handed rights and hand equality.
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Wiep Corbier wrote: For the next C# version I would like the ability to have multiple classes with the same name.
You'd have to contact Microsoft.
Social Media - A platform that makes it easier for the crazies to find each other.
Everyone is born right handed. Only the strongest overcome it.
Fight for left-handed rights and hand equality.
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Whose "popup"?
You'll need a separate NAMESPACE for each DUPLICATE CLASS NAME.
Then you can "code logic" for YOUR "popup" or whatever.
And in your CODE, you qualify with a NAMESPACE that VS can resolve with (Intellisense-wise).
There is no other magic; it's all in the head.
YOU are the only "customer" at this stage.
Beyond that, you use "Interfaces".
It was only in wine that he laid down no limit for himself, but he did not allow himself to be confused by it.
― Confucian Analects: Rules of Confucius about his food
modified 16-Jun-20 13:13pm.
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Wiep Corbier wrote: So, when I instantiate a new CandidateFunction, I want a popup asking me which one I want to use.
Making 2 classes indistinguishable is a bad idea to the core.
In 35 years, I never came to a case that need such Gremlin.
Patrice
“Everything should be made as simple as possible, but no simpler.” Albert Einstein
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Well that was an interesting discussion which seems to have shown that you need to redesign your data structure to meet your requirements. The entire issue revolves around the string of skills which you are storing incorrectly (as a number of respondents have pointed out).
This should be seen as a valuable lesson (hopefully others will also benefit). Do not be discouraged by any negative responses, this was a good discussion with some interesting information generated.
Never underestimate the power of human stupidity -
RAH
I'm old. I know stuff - JSOP
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For me personally, I would say that you should be trying to solve a modelling issue rather than fix it with a "change to the complier"
Which I wouldn't agree to it, if I worked for Microsoft
Every day, thousands of innocent plants are killed by vegetarians.
Help end the violence EAT BACON
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You can't have multiple classes with the same name, unless they're in different name spaces.
This won't work:
namespace One
{
public class ABC {}
public class ABC {}
}
but this will (as long as you fully qualify all instantiations):
namespace One
{
public class ABC {}
}
namespace Two
{
public class ABC {}
}
You could use inheritance, but your class names would still have to be unique.
".45 ACP - because shooting twice is just silly" - JSOP, 2010
-----
You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
-----
When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013
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I'm sorry I've missed this answer and discovered it only when posted mine with the similar thinking
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Pardon me if this was already mentioned, this is a fairly long thread. But I have a feeling that this case is handled by namespaces for a couple of decades. I mean you can have a POCO for your needs in one namespace and another class for what customers want in the other namespace. And you can map one to another manually or via some tool like Automapper.
Quote: I want a popup asking me which one I want to use.
Also, I have a feeling that you're confusing language and tooling. Is popup some sort of language construct or a feature in IDE? Which one? VS? VS code? Jetbrains rider?
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Hi,
Not sure which forum I need to use for this issue. Currently we are using visual studio 2012 ,Community edition ,net framework 4.0. On our workstations, we installed Visual Studio Enterprise 2019 version. We Should migrate our project to.net framework 4.7.2 in VS2019. When I open project in VS 2019 with .net framework 4.7.2, it is giving the run time error as Authentication error (Project was successfully build without any error). Where the same project worked good on VS2012.
It is showing
"
Exception Details: System.UnauthorizedAccessException: Windows Integrated Security is not enabled
ASP.NET is not authorized to access the requested resource. Consider granting access rights to the resource to the ASP.NET request identity. ASP.NET has a base process identity (typically {MACHINE}\ASPNET on IIS 5 or Network Service on IIS 6 and IIS 7, and the configured application pool identity on IIS 7.5) that is used if the application is not impersonating. If the application is impersonating via <identity impersonate="true">, the identity will be the anonymous user (typically IUSR_MACHINENAME) or the authenticated request user.
To grant ASP.NET access to a file, right-click the file in File Explorer, choose "Properties" and select the Security tab. Click "Add" to add the appropriate user or group. Highlight the ASP.NET account, and check the boxes for the desired access.
Source Error:
Line 115: {
Line 116:
Line 117: throw new UnauthorizedAccessException("Windows Integrated Security is not enabled");
Line 118: }
Line 119:
"
Where i have enabled windows integrated security .
windows authentication as enables and anonymous authentication as disabled.
Can anyone please help me what changes i need to make over here?
modified 15-Jun-20 6:39am.
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That's an error being thrown by your code, not the framework. Look at the preceeding lines in that method to see why you're reaching that exception.
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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When the same code was executed in VS2012 it worked without any error and authentication was true
"void Application_AuthenticateRequest(Object sender, EventArgs e)
{
if (Context.Request.IsAuthenticated)
{
Context.User = UserPrincipal.Authenticate(Context.User.Identity as
System.Security.Principal.WindowsIdentity);
Thread.CurrentThread.Name = UserPrincipal.CurrentUser.LoginName;
}
else
{
throw new UnauthorizedAccessException("Windows Integrated Security is not enabled");
}
}
"
The above method is where i'm facing issue. In VS2019 the IsAuthenticated is returning false where it returned true in VS2012 and worked fine.
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Then you either haven't enabled Windows Authentication, or you haven't disabled Anonymous Authentication.
Check your settings in web.config - you should have both:
<system.web>
<authentication mode="Windows" />
<authorization>
<deny users="?" />
</authorization>
</system.web> and:
<system.webServer>
<security>
<authentication>
<windowsAuthentication enabled="true" />
<basicAuthentication enabled="true" />
<anonymousAuthentication enabled="false" />
</authentication>
</security>
</system.webServer> NB: You may need to "unlock" the authentication section to be able to configure it. In IIS Manager, it's under "Feature Delegation". If you're using IIS Express, you'll need to edit the applicationhost.config file in the .vs\config hidden folder.
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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I checked with this code with empty web Form to check if authentication is working .
I received this error ,even after configuring the applicationHost.config (handler = Allow).Could you please help with this
Error:
"HTTP Error 500.19 - Internal Server Error
The requested page cannot be accessed because the related configuration data for the page is invalid.
Detailed Error Information:
Module WindowsAuthenticationModule
Notification AuthenticateRequest
Handler PageHandlerFactory-Integrated-4.0
Error Code 0x80070021
Config Error This configuration section cannot be used at this path. This happens when the section is locked at a parent level. Locking is either by default (overrideModeDefault="Deny"), or set explicitly by a location tag with overrideMode="Deny" or the legacy allowOverride="false".
Config File \\?\C:\Users\rharishpr\source\repos\WebApplication3\web.config
Requested URL https://localhost:44386/WebForm1.aspx
Physical Path C:\Users\rharishpr\source\repos\WebApplication3\WebForm1.aspx
Logon Method Not yet determined
Logon User Not yet determined
Config Source:
18: <authentication>
19: <windowsauthentication enabled="true">
20: <basicauthentication enabled="true">
"
Method used to check Windows authentication part:
" protected void Page_Load(object sender, EventArgs e)
{
Response.Write("Application code executed using ");
Response.Write(System.Security.Principal.WindowsIdentity.GetCurrent().Name + "
");
Response.Write("Is User Authenticated: ");
Response.Write(User.Identity.IsAuthenticated.ToString() + "
");
Response.Write("Authentication Type, if Authenticated: ");
Response.Write(User.Identity.AuthenticationType + "
");
Response.Write("User Name, if Authenticated: ");
Response.Write(User.Identity.Name + "
");
}
"
Web.config:
"
<configuration>
<system.web>
<compilation debug="true" targetframework="4.7.2">
<httpruntime targetframework="4.7.2">
<authentication mode="Windows">
<authorization>
<deny users="?">
<system.webserver>
<security>
<authentication>
<windowsauthentication enabled="true">
<basicauthentication enabled="true">
<anonymousauthentication enabled="false">
<system.codedom>
<compilers>
<compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=2.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warninglevel="4" compileroptions="/langversion:default /nowarn:1659;1699;1701">
<compiler language="vb;vbs;visualbasic;vbscript" extension=".vb" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.VBCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=2.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warninglevel="4" compileroptions="/langversion:default /nowarn:41008 /define:_MYTYPE=\"Web\" /optionInfer+">
"
modified 16-Jun-20 3:33am.
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Quote: This configuration section cannot be used at this path. This happens when the section is locked at a parent level. Locking is either by default (overrideModeDefault="Deny"), or set explicitly by a location tag with overrideMode="Deny" or the legacy allowOverride="false".
The error message is pretty clear that you haven't "unlocked" the authentication sections.
It looks like you're using IIS Express, so you'll have to edit the applicationhost.config file in the hidden .vs\Project_Name\config folder within your solution.
Open the file in a text editor and search for the following lines:
<section name="anonymousAuthentication" overrideModeDefault="Deny" />
<section name="basicAuthentication" overrideModeDefault="Deny" />
<section name="windowsAuthentication" overrideModeDefault="Deny" /> On each line, change "Deny" to "Allow". Save the changes and try running your project again.
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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I had set that to Allow in C:\Windows\System32\inetsrv\Config\applicationHost.config
"
"
Still i'm getting the same Error(I'm using windows 10(FYI)).
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You are using IIS Express. You need to edit the applicationHost.config file in your solution folder.
There's a hidden folder called .vs within your solution folder. Inside that will be a folder with the same name as your project. Within that will be a folder called config. The applicationHost.config file you need to edit is in there.
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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Thanks a lot. It worked.For the Authentication snippet which i tested.
But in my project the isAuthenticated is returning "false" ,i thought my project had the same as snippet code issue but here even after configuring everything showing error and authentication is failing. Should we add our name somewhere so that isAuthenticated returns "TRUE"
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If Windows authentication is enabled, and anonymous authentication is disabled and anonymous users blocked, then unauthenticated requests shouldn't be able to reach your application. There must be something else going on.
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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okay
Will there be any file related to "windows integrated security" to be enabled as Project specific like applicationHost.config
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If you've unlocked it in applicationHost.config and enabled it in web.config - making sure to disable anonymous authentication as well - then it should just work.
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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Yes did that. Yet Context.Request.IsAuthenticated is returning false even after the changes in applicationHost.config of the project
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