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error CS8802: Only one compilation unit can have top-level statements. #38811

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soujanya30 opened this issue Dec 17, 2023 · 4 comments · Fixed by #43728
Closed

error CS8802: Only one compilation unit can have top-level statements. #38811

soujanya30 opened this issue Dec 17, 2023 · 4 comments · Fixed by #43728
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csharp-diagnostics/tech doc-enhancement Improve the current content [org][type][category] dotnet-csharp/prod dotnet-csharp/svc errors-warnings/subsvc in-pr This issue will be closed (fixed) by an active pull request. Pri1 High priority, do before Pri2 and Pri3

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@soujanya30
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Type of issue

Missing information

Description

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"error CS8802: Only one compilation unit can have top-level statements." is displaying in my device please fix it

Page URL

https://learn.microsoft.com/en-us/dotnet/csharp/misc/sorry-we-don-t-have-specifics-on-this-csharp-error?f1url=%3FappId%3Droslyn%26k%3Dk(CS8802)

Content source URL

https://github.com/dotnet/docs/blob/main/docs/csharp/misc/sorry-we-don-t-have-specifics-on-this-csharp-error.md

Document Version Independent Id

58a19505-ac46-c5c8-12cc-fe87b6aa18a7

Article author

@BillWagner

Metadata

  • ID: bbb051ee-f020-66ba-c601-4a08ad32ef61
  • Product: dotnet-csharp
  • Technology: csharp-diagnostics
@issues-automation issues-automation bot added errors-warnings/subsvc dotnet-csharp/svc Pri1 High priority, do before Pri2 and Pri3 labels Dec 17, 2023
@BillWagner
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Hi @soujanya30

This is one of the issues we need to add help for. Thanks for pointing that out.

One file in a C# program can contain top level statements. Those top level statements represent the entry point to the program. (This would often be the Main method in earlier C# versions or other languages).

Because it's the entry point to the program, only one file may have top level statements. All other statements must be in members defined in classes or structs.

@BillWagner BillWagner added the doc-enhancement Improve the current content [org][type][category] label Dec 18, 2023
@dotnet-bot dotnet-bot removed the ⌚ Not Triaged Not triaged label Dec 18, 2023
@soujanya30
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so what should i do to start c# in all file in place of only one file , please provide a solution for it

@BillWagner
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Hi @soujanya30

We've got a few articles that will help. I recommend starting with this article on top-level statements. Then, this tutorial has an introduction to classes,

Finally, when you get stuck, post a short sample to our Q & A site. There are a number of folks that can answer these specific questions.

@BartoszKlonowski BartoszKlonowski mentioned this issue Nov 23, 2024
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@dotnet-policy-service dotnet-policy-service bot added the in-pr This issue will be closed (fixed) by an active pull request. label Nov 23, 2024
@zashab
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zashab commented Nov 27, 2024 via email

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csharp-diagnostics/tech doc-enhancement Improve the current content [org][type][category] dotnet-csharp/prod dotnet-csharp/svc errors-warnings/subsvc in-pr This issue will be closed (fixed) by an active pull request. Pri1 High priority, do before Pri2 and Pri3
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Initial page of CS8802 error BartoszKlonowski/docs
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@BillWagner @dotnet-bot @soujanya30 @zashab