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Nested Editor<T> Null Reference Exception. Fix a bug in the HtmlFieldPrefix.cs:23 #58888

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merged 1 commit into from
Jan 28, 2025

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sgarnovsky
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@sgarnovsky sgarnovsky commented Nov 12, 2024

Actually, a null reference exception occurs when a nested Editor.NameFor() or child component based on InputBase is used. The referenced bug issue has a sample to reproduce this problem.

The fix is a quite simple and probably doesn't require any test unit as an original issue looks like an indexing reference misprint.

It will fix #53956

This a fix for nested Editor<T> described in this issue: dotnet#53956
@sgarnovsky sgarnovsky requested a review from a team as a code owner November 12, 2024 06:41
@ghost ghost added the area-blazor Includes: Blazor, Razor Components label Nov 12, 2024
@dotnet-policy-service dotnet-policy-service bot added the community-contribution Indicates that the PR has been added by a community member label Nov 12, 2024
@dotnet-policy-service dotnet-policy-service bot added the pending-ci-rerun When assigned to a PR indicates that the CI checks should be rerun label Nov 21, 2024
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this may need backports to 8 and 9

cc @javiercn

@MackinnonBuck MackinnonBuck assigned javiercn and unassigned halter73 Dec 19, 2024
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/azp run aspnetcore-ci

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Azure Pipelines successfully started running 1 pipeline(s).

@javiercn javiercn added pending-merge PR is scheduled to get merged at a convenient time and removed pending-ci-rerun When assigned to a PR indicates that the CI checks should be rerun labels Jan 24, 2025
@javiercn javiercn merged commit 7de775d into dotnet:main Jan 28, 2025
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@dotnet-policy-service dotnet-policy-service bot added this to the 10.0-preview2 milestone Jan 28, 2025
captainsafia pushed a commit that referenced this pull request Feb 11, 2025
This a fix for nested Editor<T> described in this issue: #53956
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this may need backports to 8 and 9

cc @javiercn

I see a fix has been applied in the .Net 10 preview 2. It is very good.
Unfortunately, it is not in the .Net 8 or .Net 9 the latest SDK releases.
I just got a need to use nested Editor components but I can't migrate a production project to use the .Net 10 preview (it doesn't look as a safe option).

Is there any possibility to include this fix in one of the next release of .Net 8 and .Net 9?
Actually, it will be better to place it in both... to fix this minor issue to open Blazor forms for more flexible implementations in these versions too.

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Nested Editor<T> crashing because of bug in HtmlFieldPrefix.Combine method
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