c#

问题 I am trying to retrieve the TLS Version information. The code I have below makes a successful HTTP GET call using HttpClient. What am I missing? Where do I get the TLS Version information from HttpClient? I am kind of doing the same thing as was suggested in Which TLS version was negotiated? but that is specific to WebRequest which is not the same as HttpClient. static async Task MainAsync() { Uri baseURI = new Uri("https://jsonplaceholder.typicode.com/posts/1"); string apiPath = ""; using

问题 I'm using asp.net zero build on boilerplate and I want to extend my table of feature, but I couldn't access feature table like other normal tables which I've created. Can anyone help? 回答1: I was facing your problem with another table AuditLogs , and I finally managed to solve it using EF Core features. You can find my issue and its solution here The solution is lying on the concept of inheritance in EF Core. Basically, you can create a new class namely " ExtendedFeature " derived from

问题 Given a handle of a window, how can I close the window by using the window handle? 回答1: The easiest way is to use PInvoke and do a SendMessage with WM_CLOSE . [DllImport("user32.dll", CharSet = CharSet.Auto)] private static extern IntPtr SendMessage(IntPtr hWnd, UInt32 Msg, IntPtr wParam, IntPtr lParam); private const UInt32 WM_CLOSE = 0x0010; void CloseWindow(IntPtr hwnd) { SendMessage(hwnd, WM_CLOSE, IntPtr.Zero, IntPtr.Zero); } 回答2: Not sure if there is another way but you could PInvoke

问题 I am having issues which seem to be related calling a specific API asynchronously using HttpClient - the strange thing is that it doesn't happen all the time and can be solved by refreshing the page (sometimes once, sometimes multiple times). I thought this could be a local issue but hosting on Azure produces the same results. Raw exception details: System.Net.Sockets.SocketException (11001): No such host is known at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port,

问题 I am having issues which seem to be related calling a specific API asynchronously using HttpClient - the strange thing is that it doesn't happen all the time and can be solved by refreshing the page (sometimes once, sometimes multiple times). I thought this could be a local issue but hosting on Azure produces the same results. Raw exception details: System.Net.Sockets.SocketException (11001): No such host is known at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port,

问题 I am having issues which seem to be related calling a specific API asynchronously using HttpClient - the strange thing is that it doesn't happen all the time and can be solved by refreshing the page (sometimes once, sometimes multiple times). I thought this could be a local issue but hosting on Azure produces the same results. Raw exception details: System.Net.Sockets.SocketException (11001): No such host is known at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port,

问题 I have multiple projects in my solution, all .NET Core 3.1. One of them is my core project (“ A Project ”) where I just have basic model classes with no methods or database access. For demonstration purposes, below are simplified versions of my Address.cs and User.cs files: public class Address { public int Id {get;set;} public string AddressText {get;set;} public virtual User User {get;set;} } public class User { public int UserId {get;set;} public int UserName {get;set;} public ICollection

问题 JSON.NET JsonObjectAttribute has a property Id. It's inherited from the JsonContainerAttribute. I cannot find, for what is the Id property is used? 回答1: It's used by Json.NET Schema to override the default "$id" property value when generating a schema for a type. E.g. if I have the following type: [JsonObject(Id = "http://foo.bar/schemas/rootobject.json")] public class RootObject { } And auto-generate a schema using JSchemaGenerator as follows: var schema = new JSchemaGenerator().Generate

问题 JSON.NET JsonObjectAttribute has a property Id. It's inherited from the JsonContainerAttribute. I cannot find, for what is the Id property is used? 回答1: It's used by Json.NET Schema to override the default "$id" property value when generating a schema for a type. E.g. if I have the following type: [JsonObject(Id = "http://foo.bar/schemas/rootobject.json")] public class RootObject { } And auto-generate a schema using JSchemaGenerator as follows: var schema = new JSchemaGenerator().Generate

问题 JSON.NET JsonObjectAttribute has a property Id. It's inherited from the JsonContainerAttribute. I cannot find, for what is the Id property is used? 回答1: It's used by Json.NET Schema to override the default "$id" property value when generating a schema for a type. E.g. if I have the following type: [JsonObject(Id = "http://foo.bar/schemas/rootobject.json")] public class RootObject { } And auto-generate a schema using JSchemaGenerator as follows: var schema = new JSchemaGenerator().Generate