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[英]'object' does not contain a definition for <property> in asp.net core 3.1
[英]ASP.NET Core with MVC iapplicationbuilder does not contain a definition for usemvc
在 VS Code 中構建 .net core mvc 應用程序並收到錯誤 IApplicationBuilder 不包含 UseMvc 的定義。 這是我在 project.json 中的依賴項:
"dependencies": {
"Microsoft.NETCore.App": {
"version": "1.0.1",
"type": "platform"
},
"Microsoft.AspNetCore.Diagnostics": "1.0.0",
"Microsoft.AspNet.Mvc": "6.0.0-rc1-final",
"Microsoft.AspNetCore.Server.IISIntegration": "1.0.0",
"Microsoft.AspNetCore.Server.Kestrel": "1.0.1",
"Microsoft.Extensions.Logging.Console": "1.0.0",
"Microsoft.Extensions.Configuration.EnvironmentVariables": "1.0.0",
"Microsoft.Extensions.Configuration.FileExtensions": "1.0.0",
"Microsoft.Extensions.Configuration.Json": "1.0.0",
"Microsoft.Extensions.Configuration.CommandLine": "1.0.0",
"Microsoft.Extensions.DependencyInjection": "1.0.0",
"Microsoft.Extensions.DependencyInjection.Abstractions": "1.0.0",
"Microsoft.AspNetCore.StaticFiles": "1.0.0"
}
看起來像一個愚蠢的依賴。 嘗試改變這個:
"Microsoft.AspNet.Mvc": "6.0.0-rc1-final",
對此:
"Microsoft.AspNetCore.Mvc": "1.0.1",
將此 PropertyGroup 添加到 projectName.csproj 文件:
<PropertyGroup>
<PackageTargetFallback>$(PackageTargetFallback);portable-net45+win8+wp8+wpa81;
</PackageTargetFallback>
</PropertyGroup>
然后關閉解決方案並重新打開它。
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