.net-standard-2.0

问题 I have a .NET standard library which is below: using System; using System.Diagnostics; using System.Runtime.InteropServices; namespace process_library { public class ProcessHandler { public ProcessHandler() { } [MTAThread] public Process[] GetProcesses() { return Process.GetProcesses(); } } } I then have a Template10 project with all the .net core stuff updated to the latest version (required to get it to build) and referenced my library. This all works so far. Inside my main view-model I

问题 I have a problem with these packages which I wanted to use on my Xamarin form using .net standard 2.0 Package 'ExifLib.PCL 1.0.1' was restored using '.NETFramework,Version=v4.6.1' instead of the project target framework '.NETStandard,Version=v2.0'. This package may not be fully compatible with your project. Package 'Microsoft.Bcl 1.1.6' was restored using '.NETFramework,Version=v4.6.1' instead of the project target framework '.NETStandard,Version=v2.0'. This package may not be fully

问题 I have a .NET Standard 2.0 DLL project. It has no other references, apart from NETStandard.Library 2.0.1 and all is fine. It is referenced by a WPF application and everything seems to work fine. Once I add a nuget package for System.Collections.Immutable 1.5.0 to the DLL project, a yellow exclamation mark appears on the Dependencies root of the Solution Explorer. (Hm... I now see that the exclamation remains even after I remove this package, but I guess this is a VS bug since everything

问题 I am currently developing an app using Xamarin.Forms with .Net standard sharing strategy. Everything is done in the shared project. (No device specifies designs). I try to bind a list of objects to a listview. I already show/fill the list with ItemsSource="{Binding Items}" The selected item is bound to the listview as well SelectedItem="{Binding SelectedApp}" . Each listItem is visualized as a frame with an image and a title. By using a datatemplate. What I try to achieve is make my listview

问题 How can I use Entity Framework, or something similar within a .NET Standard project? It appears as though EF is not supported in .NET Standard 2 which is really annoying! So I have tried using Microsoft.EntityFrameworkCore.SqlServer and icrosoft.EntityFrameworkCore.SqlServer.Design Whist I can install these packages, I cannot then add a model I get the error --------------------------- Microsoft Visual Studio --------------------------- The project's target framework does not contain Entity

问题 .NET Standard Library — One library to rule them all. The .NET Standard Library functionality may vary depending on the .NET platform that runs it: .NET Framework .NET Core Xamarin How to check the .NET platform where the .NET Standard library currently runs? For example: // System.AppContext.TargetFrameworkName // returns ".NETFramework,Version=v4.6.1" for .NET Framework // and // returns null for .NET Core. if (IsNullOrWhiteSpace(System.AppContext.TargetFrameworkName)) // the platform is

问题 I have a .Net Standard 2.0 Library. I've references System.Configuration.ConfigurationManager via NuGet and I've added an App.config file with two connection strings. When I break on the following line, I notice that ConnectionStrings only contains a single connection string which is neither of the connection strings I have in my App.Config (shown below). var foo = ConfigurationManager.ConnectionStrings["cs1"].ConnectionString; The single connection string which does appear in

问题 I have a Xamarin.Forms project (.NET Standard 2.0 library + Microsoft.NETCore.UniversalWindowsPlatform 6.0.7) and I would like to reference a .NET Framework 4.6.1 library. I added a reference to my Framework library in the .NET Standard 2.0 library, but this result in the error Cannot resolve Assembly or Windows Metadata file 'Type universe cannot resolve assembly: FrameworkLib, Version=1.0.10735.0, Culture=neutral, PublicKeyToken=null. I tried to add the reference to my FrameworkLib in the

问题 I changed the project type I am packaging from .net framework v4.6 to .net standard 2.0, now the build definition is failing in Nuget packager step and I am getting this error message. [error]The default XML namespace of the project must be the MSBuild XML namespace. If the project is authored in the MSBuild 2003 format, please add xmlns="http://schemas.microsoft.com/developer/msbuild/2003" to the element. If the project has been authored in the old 1.0 or 1.2 format, please convert it to

问题 I am attempting to utilize some of the static classes in the Microsoft.VisualBasic name space in a .Net Standard 2.0 Class library (the Financial.Rate function specifically.) This is a C# project and the library contains various financial functions and calculations. I know that simply adding the using Microsoft.VisualBasic; is not enough since I need to reference the actual dll. But I am not sure how to do this in a .net Standard Class library. I have tried adding the NuGet Package Microsoft