.net-4.0

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Last 3 sent messages against the newest while saving only the last 3 newest messages?

Currently I have a simple class for users, like the follow: public class Users { public int ID { get; set; }[详细]

2023-04-06 03:44 分类：问答
When should I consider changing the return type of my service?

We have a WCF service that returns a byte array from a SQL Server database. This byte array usually represents reports but, in the future, may be Word or Excel documents. Currently, the files returned[详细]

2023-04-06 03:37 分类：问答
C# MEF Hangs when creating DirectoryCatalog

I\'m running into a problem with MEF where it\'s hanging when creating the DirectoryCatalog.I have a Windows Forms application that I test the MEF functionality, and it works without a problem.However[详细]

2023-04-06 01:36 分类：问答
`Dynamic` to a static class converter. Does it exist?

I am using the dynamic type to read in a lot of JSON and process it.Frankly, I\'d rather have intellisense.So I was wondering whether anyone has written a converter class that tak开发者_JS百科es a dyn[详细]

2023-04-05 20:55 分类：问答
how to fetch data using JSON in C# webservice from iPhone app?

I am using JSON in my web service on C# but I don\'t know JSON at all. I need to fetch data in web service those are coming from iphone app and after manipulating the data, I need to return those dat[详细]

2023-04-05 20:50 分类：问答
How do I save a byte[] returned from a WCF call?

In the code behind of my web page, I call a WCF service. The service returns a byte[] representing a file. In the code behind I have the following line that captures the bytes.[详细]

2023-04-05 18:10 分类：问答
Is there a way to prevent new console app projects from defaulting to .NET Framework 4 Client Profile?

In the New Project dialog of Visual Studio 2010, under Installed Templates->Visual C#... if I cho开发者_C百科ose Console Application and make sure .NET Framework 4 is selected in the drop-down menu ov[详细]

2023-04-05 17:31 分类：问答
Problem using Managed C++ (.Net 2.0) in .Net 2.0 project in VS2010. Referencing 4.0 .NET functionalities

I have exactly the same problem asked here. Problem using Managed C++ (.Net 2.0) in .Net 2.0 project in VS2010.[详细]

2023-04-05 16:59 分类：问答
use a specific overload without a cast?

I\'d like to create some helper methods that are inheritance aware.I\'d like them to work like virtual + override methods, yet without having to define a class hierarchy.[详细]

2023-04-05 16:36 分类：问答
.net 4 and Sharepoint Server 2007 on same server

My situation is that I developed a .NET 4 bas开发者_如何学Ced MVC2 web app, and now I have to deploy it on aWindows Server 2003 that has standalone SharePoint 2007 living on it. My quick research show[详细]

2023-04-05 15:19 分类：问答