Incorrect marking of issue CS8981 when using this example in Visual Studio 2026 #36613
Description
Description
Hi
For some strange reasons, using the exact code here creates "squiggly" green underlines for a part of the file, 8981 being a warning that names are lowercased but shouldn't be due to potential future name collision.
No matter what I do, remove everything or alter names using capital letters only, even, and the squiggly indicating an error remains. Compiling the file yields zero errors or warning messages, as if the problem wasn't there in the first place. I ignored it and carried on, everything works as it should, except for annoying squiggly warning for an issue that doesn't exists.
Here is the first half of the file with markers [squiggly] and [/squiggly] inserted where the squiggly begins and ends (remove these to see the actual/original code). The span of the error message makes no sense either, starting at the end of line 1 (before the \r\n and continuing to right after the "@" in line 4. Would have left a screenshot for you if the form allowed. Looks to me like a bug in Visual Studio.
@page "/todo"[squiggly]
@rendermode InteractiveServer
<PageTitle>Todo</PageTitle>
<h1>Todo (@[/squiggly]todos.Count(todo => !todo.IsDone))</h1>
<ul>
@foreach (var todo in todos)
{
<li>
<input type="checkbox" @bind="todo.IsDone" />
<input @bind="todo.Title" />
</li>
}
</ul>
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23f2cad2-31f9-d5d1-671c-5613fb812b19
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bd969b29-9f48-c89d-3ae1-024bcd06e1a9
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- ID: 23f2cad2-31f9-d5d1-671c-5613fb812b19
- PlatformId: bd969b29-9f48-c89d-3ae1-024bcd06e1a9
- Service: aspnet-core
- Sub-service: blazor
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