.net-4.6.1

问题 On building the project I am getting this error. Error NETSDK1004 Assets file 'J:\Test\core\fx-core\obj\project.assets.json' not found. Run a NuGet package restore to generate this file. FxCore C:\Program Files\dotnet\sdk\3.1.201\Sdks\Microsoft.NET.Sdk\targets\Microsoft.PackageDependencyResolution.targets 234 So to solve this I am running the command dotnet restore in package manager console. But on running I'm getting the below error. PM> dotnet restore J:\Test\core\fx-core\FxCore.csproj(3,3

问题 On building the project I am getting this error. Error NETSDK1004 Assets file 'J:\Test\core\fx-core\obj\project.assets.json' not found. Run a NuGet package restore to generate this file. FxCore C:\Program Files\dotnet\sdk\3.1.201\Sdks\Microsoft.NET.Sdk\targets\Microsoft.PackageDependencyResolution.targets 234 So to solve this I am running the command dotnet restore in package manager console. But on running I'm getting the below error. PM> dotnet restore J:\Test\core\fx-core\FxCore.csproj(3,3

问题 This article says that we should use a static HttpClient in order to reuse sockets. But the first comment there says that there is a DNS changes recognition issue, and the solution is in another article here: The second article suggested : var client = new HttpClient(); client.DefaultRequestHeaders.ConnectionClose = true; Which controls the KeepAlive header. But suffers from preventing you to take advantage of benefits of re-using a socket Another solution was : var sp = ServicePointManager

问题 This article says that we should use a static HttpClient in order to reuse sockets. But the first comment there says that there is a DNS changes recognition issue, and the solution is in another article here: The second article suggested : var client = new HttpClient(); client.DefaultRequestHeaders.ConnectionClose = true; Which controls the KeepAlive header. But suffers from preventing you to take advantage of benefits of re-using a socket Another solution was : var sp = ServicePointManager

问题 This article says that we should use a static HttpClient in order to reuse sockets. But the first comment there says that there is a DNS changes recognition issue, and the solution is in another article here: The second article suggested : var client = new HttpClient(); client.DefaultRequestHeaders.ConnectionClose = true; Which controls the KeepAlive header. But suffers from preventing you to take advantage of benefits of re-using a socket Another solution was : var sp = ServicePointManager

问题 I created a blank solution with framework 4.6.1 and add a project core 2.0. This error show in output for many package 'Package xxx is not compatible with netcoreapp2.0 (.NETCoreApp,Version=v2.0)'. How Can I Fix it? 回答1: Couple of things you could try to make it work, provided the packages that you are trying to install really do support .NET CORE 2.0 . Make sure your VS is using NuGet 4.3 or greater. Within Visual Studio, go to Help -> About Visual Studio -> Notice the Nuget version and

问题 I'm attempting to set up a server Windows 2012 R2 in Azure via ARM templates and DSC. The DSC script runs the cChocoPackageInstaller to install dotnet4.6.1 (after running the cChocoInstaller). It looks like this: cChocoInstaller Choco { InstallDir = "c:\choco" } cChocoPackageInstaller DotNet461 { Name = "dotnet-461" DependsOn = "[cChocoInstaller]Choco" } The DotNet installer is downloaded but it ultimately fails when it is run. The log looks like this (I've excerpted just the errors here).

问题 Here is my code class Address { public bool IsAppartment { get; set; } } class Employee { public string Name { get; set; } public Address Address { get; set; } } class Program { static void Main(string[] args) { Employee employee = new Employee() { Name = "Charlie" }; if (employee.Address?.IsAppartment ?? true) { Console.WriteLine("Its an apartment"); } else { Console.WriteLine("No employee address or not an apartment"); } } } The output of this program Its an apartment According to the

问题 I installed .NET Framework 4.6.1 using this url: http://www.microsoft.com/en-us/download/details.aspx?id=49981 But when I open a Visual Studio (2015) Project I can't select version 4.6.1 See image: Why I can't choose 4.6.1 which I installed? 回答1: go to http://getdotnet.azurewebsites.net/target-dotnet-platforms.html https://www.microsoft.com/net/targeting download and istall .NET Framework 4.6.1 Targeting Pack I'll then recommend using an extension called Target Framework Migrator you can

问题 Our client have recently upgrade the security protocol to TLS 1.2. Therefore We have our application upgraded to 4.6.1 expecting the security protocol will be default to TLS 1.2 but it is not. Any idea why? 回答1: I had a similar problem and this is what worked for me. open Powershell and check for supported protocols by using [Net.ServicePointManager]::SecurityProtocol Run the following 2 cmdlets to set .NET Framework strong cryptography registry keys: set strong cryptography on 64 bit .Net