The model item passed into the dictionary is of type .. but this dictionary requires a model item of type

[this meta post](https://meta.stackoverflow.com/questions/337063/creating-a-dupe-target-to-manage-a-plethora-of-duplicate-questions) --- I have some code and when it executes, it throws an except...

20 Mar at 09:16

Resource.designer.cs Not Updating

## Computer Specification - - - - --- ## Problem Details Resource.designer.cs Not Updating in Xamarin.Droid project. 1. Tried to delete 2. Tried to Clean content and rebuild 3. Restart...

Does Swagger (Asp.Net Core) have a controller description?

I'm building a REST service that will host multiple controllers (microservices). As a whole, lets call the service "Bob". So swagger displays "Bob" / "A collection of Bob Microservices". Then the cont...

1 Nov at 22:58

The request requires buffering data to succeed HttpClient

I'm trying to send a dictionary content to a server with `POST` method ``` public async Task<T> postConnection(string GETParam, Dictionary<string, string> values, bool isRegistration = false) { Ht...

20 Jun at 09:12

MongoDB client throws a FileNotFoundException in mscorlib

I'm using Visual Studio .NET 4.6 and [Robomongo](https://robomongo.org/) has no problem connecting to my database My imports for [MongoDB](https://www.mongodb.com/) ``` using MongoDB.Driver; using M...

22 Sep at 18:1

Fluent Validation not accepting numbers with thousands separator

I have an ASP.NET MVC 5 project with Fluent Validation for MVC 5. I am also using a jQuery masking plugin to automatically add thousands to double values. In the model I have: ``` [Display(Name = "T...

1 Nov at 23:22

Npgsql Exception while reading from stream, Postgres

I am getting this error intermittently in my code. Sometimes it happens time-after-time-after-time. Sometimes it happens 1-out-of-10 times. I am not doing anything unique or special in my SQL unlik...

1 Nov at 16:59

A second operation started on this context before a previous asynchronous operation completed

``` "System.NotSupportedException was unhandled Message: An unhandled exception of type 'System.NotSupportedException' occurred in mscorlib.dll Additional information: A second operation started on ...

EntityFramework Core relation to composite key

Consider the following database tables. Unfortunately the tables cannot be altered in any way. [](https://i.stack.imgur.com/TtW1q.png) `Houses` has an auto-increment ID field named `Id`, a string fi...

FindAsync and Include LINQ statements

The code I have got so far works fine ``` public async Task<ActionResult> Details(Guid? id) { if (id == null) { return new HttpStatusCodeResult(HttpStatusCode.BadRequest); } I...

26 Apr at 10:20

EF DBContext dispose not closing the connection

I am using the EF 6.1.0 I have below custom DBContex object as DBEntites ``` public partial class DbEntities : DbContext { public DbEntities() : base("name=DbEntities") { //...

1 Nov at 12:14

C# async / await method to F#?

I am trying to learn F# and am in the process of converting some C# code to F#. I have the following C# method: ``` public async Task<Foo> GetFooAsync(byte[] content) { using (var stream = new M...

1 Nov at 12:24

how to unit test service stack and visual studio

I create a service stack mvc template that include 4 project using visual studio 2013 - Web application - .ServiceInterface -.ServiceModel =.Tests I am trying to write unit test ,but when i click...

31 Oct at 21:10

Specify max length attribute to match varchar(max)

I have a model like so: ``` public int Id { get; set; } [Required] [StringLength(50, MinimumLength = 3)] public string Title { get; set; } [Required] [StringLength(50, MinimumLength = 3)] public st...

31 Oct at 20:44

Pinch, and other multi-finger gestures, in modern Unity3D?

In modern Unity3D, we use the IPointerDownHandler family of calls. Regarding the `IPointerDownHandler` family of calls, ``` public class FingerMove:MonoBehaviour, IPointerDownHandler... { publ...

20 Jun at 09:12

How to redirect www to non www rule in AspNetCore 1.1 preview 1 with RewriteMiddleware?

Using the AspNetCore 1.1 bits and the new [RewriteMiddleware](https://github.com/aspnet/BasicMiddleware/tree/dev/src/Microsoft.AspNetCore.Rewrite) I wrote something like this into the `Startup.cs` to ...

30 Oct at 23:2

Automatically generate lowercase dashed routes in ASP.NET Core

ASP.NET Core uses CamelCase-Routes like [http://localhost:5000/DashboardSettings/Index](http://localhost:5000/DashboardSettings/Index) by default. But I want to use lowercase routes, which are delimit...

Instantiating objects with .NET Core's DI container

I'm using an `IServiceCollection` to create a list of required services for my objects. Now I want to instantiate an object and have the DI container resolve the dependencies for that object ``` //...

30 Oct at 23:16

How to change font color from C# in WPF

I have created a simple Calendar application and I would like to change the color of names of the days that are displayed. I created a simple condition: ``` if (nameDay.Text.Equals("Sunday")) { d...

30 Oct at 20:42

Calling async methods from non-async code

I'm in the process of updating a library that has an API surface that was built in .NET 3.5. As a result, all methods are synchronous. I can't change the API (i.e., convert return values to Task) beca...

In Visual Studio, is there a way to sort private methods by usage?

In Visual Studio, with or without an extension, is there a way to automatically sort private methods inside a class based on the order of their usage (their location in the call stack)? For example c...

5 Nov at 21:50

Using Unity3D's IPointerDownHandler approach, but with "the whole screen"

In Unity say you need to detect finger touch (finger drawing) on something in the scene. The only way to do this : --- . Put a collider on that object. ("The ground" or whatever it may be.) O...

10 Apr at 14:49

What is the benefit of using "Expression Bodied Functions and Properties"

I do have seen many using that , but what is the benefit of using those expressions? ## Examples: ``` public override string ToString() => string.Format("{0}, {1}", First, Second); public string...

23 May at 12:33

Cannot find .cs files for debugging .NET source code

I tried setting up debugging the .NET source by following this [MDSN walkthrough](https://msdn.microsoft.com/en-us/library/cc667410.aspx). The Symbol cache is setup properly, as is the check 'Enable ....

18 Aug at 13:32

Is there an open source equivalent of ServiceStack AutoQuery for asp.net core?

I would like to know if there is an open source equivalent of AutoQuery From ServiceStack for `asp.net` core (or `asp.net`) which can automatic query with the orm i use: ef core (or other) with uris l...