.net-4.0

问题 I realise this question has been asked many times before and I've tried pretty much every solution out there but I still keep getting this annoying error. I've tried killing off the WebDev.WebServer40 process as suggested here. I've disabled IPv6 and my firewall, I've also looked inside my "C:\Windows\Microsoft.NET\Framework\v4.0.30319" folder for WebDev.WebServer and it doesn't exist in that directory, even when I download a fresh one and place it there it still doesn't work. All my other

问题 This question follows on from previous questions like Does Entity Framework 6 support .NET 4.0? My question is specifically, how do I make use of the NotMapped data annotation with EF6 and .NET v4.0? Most articles I can find assume the developer has also migrated to .NET v4.5 or later, where the data annotations namespace has been moved to System.ComponentModel.DataAnnotations.Schema and lives in the System.ComponentModel.DataAnnotations dll. 回答1: The .NET 4.0 version of Entity Framework 6

问题 This is a near identical problem I am having to that of this query, albeit mine is a Web Forms scenario (using routing in .NET 4) as opposed to MVC. Add a trailing slash at the end of each url? The solution that someone mentions there is only half provided unfortunately as the link to the complete solution is broken. At the moment, any trailing slash from my page routes is removed when I get the route url. This is especially problematic when I want to use the following type of inline syntax

问题 As for personal fun and challenge, I wanted to add a way to login on my own personal computers. All are currently using Windows 7. Normally this would use ICredentialProvider or something like that. Basically the goal here is to have 2 way to login, the normal user/password one and the alternative (mine) with a Yubikey. Is there any where I could look to find some resources on how to achieve this using C# ? 回答1: There is an article about implementing a custom Credential Provider here, and

问题 I'm using Parallel.ForEach to work a bunch of items. The problem is, I want to prioritize which items get worked depending on the number of workers (slots) that are open. E.g. if I am working 8 parallel things and a slot opens between task 1-4, I want to assign easy work to those slots. The bottom half of the slots will get the hard work. This way, I won't get all 8 slots tied up doing hard/long-running work, easy/quick items will be run first. I've implemented this as follows: The Code const

问题 I've had a WCF Data service published for about 2 months. It's 100% been hacked already. I even noticed the service published on twitter! Luckily my site was under development and the user entity was only about 80 beta testers. Still this is a pretty big problem. With the power of E.F. Navigation properties anyone can easily write a script to download all my user data and my valuable domain data that no-one else has. I want to provide non-authenticated access and do things like: Limit what

问题 I have data being inserted into multiple databases with the same schema. The multiple databases exist for performance reasons. I need to create a WCF service that a client can use to query the databases. However from the client's point of view, there is only 1 database. By this I mean when a client performs a query, it should query all databases and return the combined results. I also need to provide the flexibility for the client to define its own queries. Therefore I am looking into WCF

问题 I am slowly learning how to use Reactive Extensions for .NET with WPF. There a few beginner examples about how simple it is to write drag-drop or drawing routines but they are all extremely simple. I'm trying to go one step further and it's not obvious to me what the "proper" way is. The examples all show how you can define streams of events from MouseDown , MouseMove , and MouseUp var mouseDown = from evt in Observable.FromEvent<MouseButtonEventArgs>(..., "MouseDown") select evt.EventArgs

问题 I realise that Visual Studio 2010 sp1 allows test projects to target 3.5 now. However, for various reasons I don't fully appreciate, our test projects still target dot net 4.0. The general question is in the title. How big is the risk? Specifically, this presumably means that the tests will run in the CLR v4, whereas many of our clients will be using CLR v2. Also, the tests seem to use v4 of library components (such as System.Data), even though the application is built against v2. One method

问题 On our server running Windows Server 2008 R2 there is a scheduled task that runs a Windows application (.Net 4.0) under a specific domain user that performs some tasks and reports its progress in a listbox on a form that pops up by double clicking on a tray icon (right hand side of the task bar). I understand that if I logon to the server (I can only remote desktop to the server) with a different user other than the one the scheduled task runs the application under I would not be able to see