CTP installation problem

Question

After I successfully install the CTP, if I try and run any of the samples, the code show this:

private async void searchButton_Click(object sender, RoutedEventArgs e)

{

All of the samples seem to show this problem with async.  What reference am I missing?

Thanks

Answer 1

Hi Pat,

If you create a new project with async / await keywords, then you must reference AsyncCtpLibrary.dll (or AsyncCtpLibrary_Silverlight.dll for Silverlight project)

But the samples must work correctly.

Can you give use more details?

Bruno

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Boucard Bruno - http://blogs.msdn.com/b/devpara/

Answer 2

Hello,

I am also facing the same problem, compiler does not recognize the async and await keywords, and AsncCTpLibrary.dll is properly referenced.

Thanks.

Answer 3

Hi,

Are you using VS 2010 English-US version?

Bruno

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Boucard Bruno - http://blogs.msdn.com/b/devpara/

Answer 4

I've having the same issue. Installed the CTP, no problem.

Open any of the sample projects and the compiler is not aware of the async and await keywords, so can't compile.

I've using VS.NET 2010 US English version.

Answer 5

Hello,

Yes i am using VS 2010 English-Us version.

Asif Mushtaq

 

Answer 6

Hi

Are you using Visual Studio 2010 Professional, Premium, or Ultimate?

Bruno

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Boucard Bruno - http://blogs.msdn.com/b/devpara/

Answer 7

I've having the same issue. Installed the CTP, no problem.

Open any of the sample projects and the compiler is not aware of the async and await keywords, so can't compile.

I've using VS.NET  2010 Professional .

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ceeblunt

Answer 8

Hello,

In Office I have Premium and at home I have Ultimate, but am facing the problem on both.

Asif Mushtaq

Answer 9

I'm using VS.NET 2010 Ultimate

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http://matlus.com

Answer 10

For me too Visual Studio doesn't recognize async/await keywords. I'm using Visual Studio 2010 Ultimate ENU on Windows 7 x64. The Async CTP installed with no errors and the sample and documentation are there, but it doesn't seem have changed anything in VS.

Answer 11

Are you using Resharper? If so I believe you have to disable it.

Answer 12

I'm not using Reshaper

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http://matlus.com

Answer 13

I'm not using resharper either. Can someone tell us the steps to check the installation manually to see if anything isn't installed as expected?

Thanks

Answer 14

I encountered the same problem. On Windows 7 Ultimate x64, MS Visual Studio 2010 Ultimate ver 10.0.30319.1 RTMrel,
I've downloaded and installed Async-CTP.exe, with Run as administrator, the setup completed fine, the docs and samples were installed at
C:\Users\[Username]\Documents\Microsoft Visual Studio Async CTP\
but when I compile any sample, the compiler does not recognize the async or await keywords.

I use the en-US version of VS2010, and have only the following updated installed: KB982218, KB0000001, KB2385361.

Anyone from Microsoft that could give a solution?

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LE: It seems that uninstalling all VS2010 updates and ASP.NET MVC RC2 and NuGet, then uninstalling VS Async CTP and re-installing it fixed the problem.

Answer 15

Please note that the CTP is an update to VS, however unlike supported updates to VS it is not contained in subsequent updates or CTPs.

This means the following:

1) If you want to install new VS updates or other CTPs - you should uninstall the Async CTP first, otherwise there is a good chance that the Async CTP will stop working. For example installing VS 2010 SP1 beta will cause Async CTP to stop working and will put the machine in an inconsistent state where the C# command line compiler is from the Async CTP but the C# compiler used in VS is from the SP1 Beta.

2) If you installed updates/CTPs that are newer than the Async CTP you cannot install the Async CTP on that machine. The install will probably succeed but some or all of the VS components will not be updated (since they will be newer). For example, installing the Async CTP after you installed MVC 3 RC will not work, since MVC 3 RC updates the same components that the Async CTP updates.  

We will ship a refresh of the Async CTP that will work on top of SP1, with the release of the final version of SP1.

Hope this helps.

Avner 

 

Answer 16

Hi,

thanks to clearify that, is there a release date for shipping SP1?

With best regards

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Gerhard

Answer 17

Visual Studio 2010 SP1 was released yesterday, see http://visualstudiomagazine.com/articles/2011/03/08/vs2010-sp1.aspx

We are now working on providing Async CTP that will run on top of SP1, but it will take us more time to get it ready, we still don't have a final date for it.

Avner

 

 

Answer 18

Any news on when Async will be supported on SP1?

Answer 19

We currently estimate that it will take us around a month (i.e. middle of April) to complete the different activities needed to release the CTP refresh for SP1.

Avner 

Answer 20

Thanks Avner, just the kind answer I was hoping for.

Martin

Answer 21

Btw, does Async CTP work with ASP .NET applications or does it only work Silverlight?

 

Thanks.

Answer 22

Yes, you can find a sample called ASP.Net in the CTP.

 

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Avner Aharoni

Answer 23

Yes, you can find a sample called ASP.Net in the CTP.

 

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Avner Aharoni

Hi Avner,

 

For example, can I trigger a CTP Async Task via a button/link click and have that action happen without causing the page to postback or flicker similar to making the call asynchronous via a Jquery AJAX call?  I'm having trouble running the ASP.NET sample, is there, a live demo site where I can see live demos of how this works?

 

Thank you.