Version 4.5 of the Microsoft .NET Framework. Use for questions specifically related to .NET Framework 4.5. For questions on .NET Framework generally, use the .net tag.
Reference
Questions tagged [.net-4.5]
3775 questions
54
votes
5 answers
How to reliably detect the actual .NET 4.5 version installed?
My actual problem is that I have encountered two versions of .NET 4.5 full setups:
a (possibly) older one, which is also available when downloading SQL Server Data Tools
size: 50,349,920
md5: a5e81d1b3905ada0a6e35fd6c6a2e1f4
a (possibly) newer…
alexandrul
- 12,856
- 13
- 72
- 99
53
votes
1 answer
Non-static method requires a target. Entity Framework 5 Code First
I am getting the error "Non-static method requires a target." when I run the following query:
var allPartners = DbContext.User
.Include(u => u.Businesses)
.Where(u => u.Businesses.Any(x => x.Id…
ilivewithian
- 19,476
- 19
- 103
- 165
53
votes
4 answers
IList and IReadOnlyList
If I have a method that requires a parameter that,
Has a Count property
Has an integer indexer (get-only)
What should the type of this parameter be? I would choose IList before .NET 4.5 since there was no other indexable collection interface…
Şafak Gür
- 7,045
- 5
- 59
- 96
51
votes
8 answers
Where can I download the .NET 4.5 Multitargeting Pack for my build server?
I want to build a .net 4.5/VS2012 solution in TeamCity. My builds work on the agent that has VS2012 installed, but on the agent that doesn't have VS2012, I get warnings like…
Michael Haren
- 105,752
- 40
- 168
- 205
50
votes
6 answers
Awaiting Asynchronous function inside FormClosing Event
I'm having a problem where I cannot await an asynchronous function inside of the FormClosing event which will determine whether the form close should continue. I have created a simple example that prompts you to save unsaved changes if you close…
Hagelt18
- 828
- 1
- 10
- 21
48
votes
6 answers
Task.Yield - real usages?
I've been reading about Task.Yield , And as a Javascript developer I can tell that's it's job is exactly the same as setTimeout(function (){...},0); in terms of letting the main single thread deal with other stuff aka :
"don't take all the power ,…
Royi Namir
- 144,742
- 138
- 468
- 792
48
votes
7 answers
Why does List implement IReadOnlyList in .NET 4.5?
Why does List implement IReadOnlyList in .NET 4.5?
List isn't read only...
James Newton-King
- 48,174
- 24
- 109
- 130
47
votes
0 answers
Unit-Test project fails to build after installing .NET 4.5
I have a WPF solution in .NET 4.0 that includes a Unit Test project which tests the different commands used in the ViewModels. Everything was working fine, but then I installed .NET 4.5 and VS2012.
Now when I try to build the solution I get error…
atiyar
- 7,762
- 6
- 34
- 75
47
votes
5 answers
MSBuild deploy failing after upgrade to .NET 4.5
We recently upgraded our VS 2010 and .NET 4 application to VS 2012 and .NET 4.5. We have a build script to deploy the application on the test server. We have two boxes - one is Windows 8 with VS 2012 (fresh install) and other is Windows 7 with VS…
Achinth Gurkhi
- 2,136
- 4
- 24
- 45
46
votes
6 answers
NetworkStream.ReadAsync with a cancellation token never cancels
Here the proof.
Any idea what is wrong in this code ?
[TestMethod]
public void TestTest()
{
var tcp = new TcpClient() { ReceiveTimeout = 5000, SendTimeout = 20000 };
tcp.Connect(IPAddress.Parse("176.31.100.115"), 25);
…
Softlion
- 12,281
- 11
- 58
- 88
45
votes
9 answers
Visual Studio keeps overwriting NewtonSoft.Json.DLL with an older version
Visual Studio is overwriting the correct version of NewtonSoft.Json.DLL that I have configured in both my project references and the NuGet package file with an older version when I build any other project besides the website that contains the…
lecklind
- 471
- 1
- 4
- 5
45
votes
3 answers
Brief explanation of Async/Await in .Net 4.5
How does Asynchronous tasks (Async/Await) work in .Net 4.5?
Some sample code:
private async Task TestFunction()
{
var x = await DoesSomethingExists();
var y = await DoesSomethingElseExists();
return y;
}
Does the second await statement…
Mayank
- 8,777
- 4
- 35
- 60
44
votes
4 answers
Entity Framework - Migrations - Code First - Seeding per Migration
I am looking into Migrations in an effort to clean up our deployment processes. The less manual intervention required when pushing a change to production the better.
I have run into 3 major snags with the migrations system. They are show stoppers…
Talon
- 3,466
- 3
- 32
- 47
44
votes
4 answers
EF5 Starting a Project:Error Running transformation: Please overwrite the replacement token '$edmxInputFile$'
I'm creating a Console Project in VS2012 with .Net4.5.
After it I "Add", "New Item" to the project, and choose "EF 5.x DbContext Generator".
Then, after a couple of seconds the following error message appears in the 'Error List' tab:
Error 1 …
Gil
- 1,113
- 2
- 12
- 13
43
votes
6 answers
Writing to ZipArchive using the HttpContext OutputStream
I've been trying to get the "new" ZipArchive included in .NET 4.5 (System.IO.Compression.ZipArchive) to work in a ASP.NET site. But it seems like it doesn't like writing to the stream of HttpContext.Response.OutputStream.
My following code example…
Daniel Sørensen
- 435
- 1
- 5
- 8