template changes cause server error

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MuirisOG 382 posts 1284 karma points

Mar 19, 2019 @ 11:45

I've had this error a few times, and I think it occurs when I make changes to one of my templates. The error is :

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 Message: CS0426: The type name 'Web' does not exist in the type 'System'

Source Error:



Line 34:     
Line 35:     
Line 36:     public class _Page_Views__ViewStart_cshtml : System.Web.Mvc.ViewStartPage {
Line 37:         
Line 38: #line hidden

Source File: C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\917f7852\1ffdd359\App_Web__viewstart.cshtml.65a2d1ee.pcvmumsc.0.cs    Line: 36

I can clear it by clearing the files in the "Temporary ASP.NET Files" folder, but can anyone explain why it recurs.

Thanks

Muiris

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MuirisOG 382 posts 1284 karma points

Mar 19, 2019 @ 11:48

0

Sorry everyone, I've just granted permissions to the Application Pool and the problem hasn't recurred.

Thanks again

Muiris

EDIT

To be clear, I made sure to include the app_data folder, as I noticed I had to clear the files here in order to get my site back.

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MuirisOG 382 posts 1284 karma points

Mar 19, 2019 @ 18:39

0

I've just upgraded to 8.0.1 and this error is back.

I can't get rid of it...

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MuirisOG 382 posts 1284 karma points

Mar 21, 2019 @ 18:26

0

Okay, here's how I recreated this problem.

In VS2017, on a brand new site that I was building, I created a sub-folder in \Views\Partials called SiteLayout.

I created two Partial Views there, but noticed that while I was busy doing that, VS2017 automatically created a folder called \Views\Shared and put a file in there called _Layout.cshtml.

VS also automatically created a file called _ViewStart.cshtml in the \Views folder.

The error is coming from _ViewStart.cshtml.

Can I just get rid of these new files?

Thanks

Muiris

EDIT

I'm not sure if it was the right thing to do, but I got rid of these extra files and I've got my site back. I had to clear caches in the TEMP folder and touch the web.config, but it's all good.

In addition to these files, VS also seems to have added a \Content folder with Bootstrap and Site css files, and a \fonts\ folder.

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MuirisOG 382 posts 1284 karma points

Mar 22, 2019 @ 11:25

Right, I'm getting tired of shooting myself in the foot.

Never, ever call a doctype System.

System is a reserved word, and can crash your backoffice.

I wanted to add some System properties to a Document Type, which would have been part of the overall Page Properties using the Compositions feature.

If you get the error below, then you have called a doctype System.

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 Message: CS0426: The type name 'Object' does not exist in the type 'System'

Source Error:


Line 31: <html lang="en">
Line 32: <head>
Line 33:     <base href="@Model.GlobalSettings.Path.EnsureEndsWith('/')" />
Line 34:     <meta charset="utf-8">
Line 35:     <meta name="viewport" content="width=device-width, initial-scale=1.0">

I solved my own problem by going into the database and renaming System as System Properties in the umbracoNode and cmsContentType tables.