Why does this wrapping in Task.Run remove deadlock from asp.net core?

I am trying to fix a method that is supposed to be retrieving arbitrary data from a MemoryCache using the built-in GetOrCreateAsync. Here is Microsofts example (from https://docs.microsoft.com/en-us/aspnet/core/performance/caching/memory?view=aspnetcore-3.0) : public async Task<IActionResult> CacheGetOrCreateAsynchronous() { var cacheEntry = await _cache.GetOrCreateAsync(CacheKeys.Entry, entry => { entry.SlidingExpiration = TimeSpan.FromSeconds(3); return Task.FromResult(DateTime.Now); }); return View(“Cache”, cacheEntry); } Here is mine:…

Using Form View to insert image into database in asp.net

I have a problem to insert the image into the database. My image is failed to insert into the database. In my .aspx file, I have this code: <asp:FormView ID=”test” runat=”server” DefaultMode=”Insert” InsertMethod=”test_InsertItem” ItemType=”Inventory.Models.pic” DataKeyNames=”Id”> <InsertItemTemplate> <asp:Image ID=”Image1″ runat=”server” ImageUrl='<%# Bind(“picture”) %>’ Height = “150” Width = “150” /><br /> <asp:FileUpload ID=”FileUpload1″ runat=”server”/> <asp:Button ID=”btnUpload”…

ASP.Net Core launch website via Visual Studio vs. Command Line

Environment: Microsoft Visual Studio Community 2019 Version 16.3.9 VisualStudio.16.Release/16.3.9+29509.3 Microsoft .NET Framework Version 4.8.03752 I created an EMPTY ASP.NET Core 3.0 web project (just learning .Net Core – so trying to keep things simple). When I build the project (Configuration = Debug) and then launch the website, the Visual Studio output window shows the following:…

Can’t run the ef command with Core 3.0 ASP.NET

********************************************************************** ** Visual Studio 2019 Developer PowerShell v16.3.9 ** Copyright (c) 2019 Microsoft Corporation ********************************************************************** PS C:\Users\aa\source\repos\net-app> dotnet ef migrations add InitialCreate Could not execute because the specified command or file was not found. Possible reasons for this include: * You misspelled a built-in dotnet command. * You intended to execute a .NET Core program,…

How to implement dynamic resource permission in asp.net MVC?

I want to implement dynamic authorization in my ASP.NET MVC project where resource permissions can be assigned to both user and role dynamically by the system admin. I’m using the following tables to manage permissions. Resource ResourcePermission Models for these tables are public class Resource { [Key] [DatabaseGenerated(DatabaseGeneratedOption.Identity)] public int Id { get; set; }…