asp.net-core-mvc

问题 Is it possible to install .Net Core on Raspberry Pi 4 with Raspbian ? I found a number of instructions about .Net Core on Raspberry Pi 3 e.g. (https://github.com/dotnet/core/blob/master/samples/RaspberryPiInstructions.md) or .Net Core on Raspberry Pi with Linux. I have already installed Visual Studio Code and now I want to install .Net Core. Please share your experience and method if you installed .Net Core on Raspberry Pi 4 with Raspbian . Thanks. 回答1: Download .Net Core 3.1 SDK from HERE

问题 Is it possible to install .Net Core on Raspberry Pi 4 with Raspbian ? I found a number of instructions about .Net Core on Raspberry Pi 3 e.g. (https://github.com/dotnet/core/blob/master/samples/RaspberryPiInstructions.md) or .Net Core on Raspberry Pi with Linux. I have already installed Visual Studio Code and now I want to install .Net Core. Please share your experience and method if you installed .Net Core on Raspberry Pi 4 with Raspbian . Thanks. 回答1: Download .Net Core 3.1 SDK from HERE

问题 I am attempting to use ASP.Net vNext, MVC, EF7, and the repository pattern (not the issue here, I don't think)... The issue I'm having is that when multiple requests are made against the database, I'm getting the following error: "There is already an open DataReader associated with this Command which must be closed first." Here's some code: public class Startup { public IConfiguration Configuration { get; set; } public Startup(IHostingEnvironment env) { Configuration = new Configuration()

问题 I am making something like a chat room application, and when you enter a chat room I use the room id to assign messages to that room, I am using Ajax to send and retrieve messages. Map Route: config.MapRoute( name: "Default", template: "{controller}/{action}/{id?}", defaults: new { controller = "Room", action = "Index" }); Navigation to room: <a class="btn btn-default" asp-controller="Chat" asp-action="Index" asp-route-id="@room.Id">@room.Name</a> So when you are in a room the Route is like

问题 I have 2 controller fields say Type and Data. Depending on value selected for Type (Date or Text), I want to display Data field dynamically as either a text input or a custom timepicker input. Since only one will be rendered at any time, I need to bind with the same property name (Data). This is what I am trying: @if (Model.Type == "Date") { // custom timepicker control goes here <input asp-for="Data" class="form-control timepicker"/> } else { <input asp-for="Data" class="form-control text

问题 This question already has answers here : Route attribute routing with query strings when there are multiple routes (2 answers) Closed 6 days ago . I'm new to ASP.NET MVC, below is my api controller: // API controller named Student //match localhost/api/student [HttpGet] public JsonResult Get() { .... } //match localhost/api/student/123 [HttpGet("{id:int}")] public JsonResult Get(int id) { //.... } //match localhost/api/student?sortby=grade [HttpGet] public JsonResult Get([FromQuery]string

问题 Startup.cs public void ConfigureServices(IServiceCollection services) { services.AddDistributedMemoryCache(); // session will destroy after idle for 1 minutes services.AddSession(options => { options.IdleTimeout = TimeSpan.FromMinutes(1); options.Cookie.HttpOnly = true; options.Cookie.IsEssential = true; }); // add authentication services.AddAuthentication(CookieAuthenticationDefaults.AuthenticationScheme).AddCookie( CookieAuthenticationDefaults.AuthenticationScheme, options => { options

问题 I am attempting to get DataTables working in MVC 6 project. I've got the whole project working but when trying to list users it doesn't use the DataTables. I'm not sure where and what to add to the MVC 6 project. Everything is in a different location. I ran the Nuget Package Manager and found something and it added this to my project.json file: "jquery.datatables": "1.10.10" But DataTables isn't working. I know this is a terrible description of my problem but I'm pretty sure I just don't have

问题 I am trying to get JSON from my controller to use in jQuery. I have the following code. When I visit the URL in my browser it returns the json so I know that the controller is working... But I get the following GET http://localhost:52802/Checkout/GetContactById?id=1 net::ERR_INCOMPLETE_CHUNKED_ENCODING client-side jQuery var theUrl = window.location.origin + '/Checkout/GetContactById?id=' + contactId; $.ajax({ url: theUrl, type: "GET", success: function (result) { alert("Success"); }, error:

问题 I am trying to get JSON from my controller to use in jQuery. I have the following code. When I visit the URL in my browser it returns the json so I know that the controller is working... But I get the following GET http://localhost:52802/Checkout/GetContactById?id=1 net::ERR_INCOMPLETE_CHUNKED_ENCODING client-side jQuery var theUrl = window.location.origin + '/Checkout/GetContactById?id=' + contactId; $.ajax({ url: theUrl, type: "GET", success: function (result) { alert("Success"); }, error: