不能运行在 Monodevelop 上构建

Question

我刚从 Win10 迁移过来，所以我刚刚在我的 Lubuntu Linux 上安装了 Monodevelop IDE。在编写了一个快速的 Hello World 程序来测试 IDE 之后，我在输出控制台中得到了以下文本：

The framework 'Microsoft.NETCore.App', version '1.1.2' was not found.
  - The following frameworks were found:
      3.1.4 at [/usr/share/dotnet/shared/Microsoft.NETCore.App]

You can resolve the problem by installing the specified framework and/or SDK.

The specified framework can be found at:
  - https://aka.ms/dotnet-core-applaunch?framework=Microsoft.NETCore.App&framework_version=1.1.2&arch=x64&rid=ubuntu.19.10-x64

显然我有最新的 .NET 框架，但 Monodevelop 要求我安装它的旧版本。我不明白为什么，因为它是最新的 Monodevelop 版本（如下所述）

=== MonoDevelop ===

Version 7.8.4 (build 2)
Installation UUID: 9a688c83-deba-4ab3-bbac-7cdb3e8b4050
    GTK+ 2.24.32 (Adwaita-dark theme)

=== Mono Framework MDK ===

Runtime:
    Mono 6.8.0.123 (tarball Tue May 12 15:11:57 UTC 2020) (64-bit)

=== NuGet ===

Version: 4.8.2.5835

=== .NET Core ===

Runtime: /usr/share/dotnet/dotnet
Runtime Version: 3.1.4
SDK: /usr/share/dotnet/sdk/3.1.300/Sdks
SDK Version: 3.1.300
MSBuild SDKs: /usr/lib/mono/msbuild/15.0/bin/Sdks

=== Build Information ===

Release ID: 708040002
Git revision: 622db12503514afdb641c31615408bfe905a7312
Build date: 2019-07-17 17:02:07-04

=== Operating System ===

Linux
Linux 5.3.0-55-generic #49-Ubuntu SMP Thu May 21 12:47:19 UTC 2020 x86_64

有什么想法吗？

Answer 1

同样的，我通过修改文件“.csproj”解决了这个问题：将 "netcoreapp1.1" 替换为 "netcoreapp3.1".

直接在monodevelop上没找到怎么修改

不能运行在 Monodevelop 上构建

Cannot run a build on Monodevelop

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不能运行在 Monodevelop 上构建