当我试图编译一个基本的.NET Core2.2控制台应用程序时:...I得到以下错误:The specified framework 'Microsoft.NETCore.App', version '2.2.0' was not found]
2.0.9 at [C:\Program Files\dotnet\shared\Microsoft.NETCore</em
为此,我必须启用CORS并配置SignalR In the ConfigureServices method, we are adding SignalR to the IService collectionAnd in a Configure
method, we are adding SignalR to the request pipeline by pointing to our ChartHub参考- "https://code-maze.com/netcore-