.net-4.0

How to create PIPE accessible from remote computers in .NET 4.0?

How to create PIPE accessible from remote computers in .NET 4.0? And how to access it? ...

How can I define SettingsProperty.DefaultValue in my inherited ProfileBase class?

You can create custom profile properties in Web.config like so: <configuration> <system.web> <profile> <providers>...</providers> <properties> <add name="MyCustomProperty" allowAnonymous="false" type="MyCustomType" serializeAs="String" defaultValue="MyCustomType.Empt...

Entity Framework POCO objects

I'm struggling with understanding Entity Framework and POCO objects. Here's what I'm trying to achieve. 1) Separate the DAL from the Business Layer by having my business layer use an interface to my DAL. Maybe use Unity to create my context. 2) Use Entity Framework inside my DAL. I have a Domain model with objects that reside in my ...

Is there any way to consume .NET 4.0 assemblies in Silverlight

Silverlight can only recognize its v2.0.5.0 assemblies. The way to consume .NET 2.x/3.x assemblies in Silverlight truly exists. If I want to call, such as the method of Json class provided by System.Runtime.Serialization assembly, which is just in .NET 4.0, not in Silverlight v2.0.5.0, what can I do? Can I only consume the class and me...

Multiple grids in one area

I'm currently creating a WPF application, using C# and XAML in Visual Studios 2010. I have a master grid. In that master grid I have a group bar which you can select different items. Depending on what you select, the middle of the master grid can be totally different. What I was wondering is, what's the best way to program the middle pa...

What to use to wait on a indeterminate number of tasks?

I am still fairly new to parallel computing so I am not too sure which tool to use for the job. I have a System.Threading.Tasks.Task that needs to wait for n number number of tasks to finish before starting. The tricky part is some of its dependencies may start after this task starts (You are guaranteed to never hit 0 dependent tasks un...

Detecting if MSBuild/.net 4 is installed from C# code running on 3.5?

I have an application that is running on .net 3.5 SP1 and that is supposed to check if .net 4 is installed. Actually, I'm more interested if MSBuild v4 is installed, which would boil down to a simple File.Exists(@"C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"); However, apart from the fragility of the 4.0.30319 Version (an...

Reading HttpRequest Body in REST WCF

Hi All, I got a REST WCF Service running in .net 4 and I've tested the web service it is working and accepting HttpRequest I make to it. But I ran into a problem trying to access the HttpRequest body within the web service. I've tried sending random sizes of data appended on the HttpRequest using both Fiddler and my WinForm app and I ca...

HowTo: Conditional Page Break in SSRS 2010 ?

Hi there I just migrated a project from .NET 3.5 to 4.0, accordingly the reports now use SSRS included in .net 4.0/VS2010. Before conditionally setting a rectangles visibility did the trick for me. (inside the rectangle I put a rectangle with a pagebreak) But this stopped working now.. any help appreciated ...

.NET 4.0 & CrystalReports

I have a dll build with target framework 3.5 that manage reports; this dll use the version 10.5.3700.0 of CrystalDecisions.CrystalReports.Engine Now, I have created a new wpf application based on .NET framework 4.0 and I added the report dll reference to project. I had to install the Crystal Reports for Visual Studio 2010 library (http...

Office ribbon for WPF 4.0

Hi all, It is rumoured that WPF 4.0 would deliver us an out-of-the-box Office Ribbon. A new WPF Ribbon Control will be available for download shortly after the release of WPF 4. [1] Now my internet and MSDN search turned out to be fruitless, and as far as I know, it would be release after the .NET 4.0 framework would launch. ...

Shell extensions with .NET 4.0

Any one have any docs or examples of how to add menu items to the explorer shell with .NET. Can only find info saying it should be possible now with .NET 4.0 but not how to do it. ...

Is there such a thing as a MemberExpression that handles a many-to-many relationship?

We're trying to make it easy to write strongly-typed code in all areas of our system, so rather than setting var sortColumn = "FirstName" we'd like to say sortOption = (p => p.FirstName). This works great if the sortOption is of type Expression<Func<Person, object>> (we actually use generics in our code but that doesn't matter). However,...

iis 7.0 Internal 500 Error

Hi All, i am tearing my hair out. I have read every post on the internet and cannot for the life of me figure out HOW to force IIS 7.0 on 2008 to display detailed errors. I have published a .net 4.0 app. i am at a complete loss. thanks! ...

ASPNETCOMPILER error ASPCONFIG: Could not load file or assembly 'Microsoft.VisualBasic.Activities.Compiler' or one of its dependencies.

I just upgraded my project to Asp.Net 4, from 3.5. When the build kicks off from TeamCity, I get the following error: [Project "Website.metaproj" (Rebuild target(s)):] C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe -v /Website -p Website\ -u -f PrecompiledWeb\Website\ [12:11:50]: [Project "Website.metaproj" (Rebuild ...

.NET 4 GC known thresholds to trigger collection?

I know that the logic for GC to trigger is not simple but it has certain thresholds to monitor. Anyone knows what are these thresholds could be for .NET 4 workstation and server GC ? Thank you ...

WCF 4: Fileless Activation Fails On XP (IIS 5) that has SSL port enabled.

I have a service being hosted in IIS on XP via fileless activation. The service starts fine when there is no SSL port enabled for IIS but when the SSL port is enabled, I get the error message: System.ServiceModel.ServiceActivationException: The service '/SkillsPrototype.Web/services/Linkage.svc' cannot be activated due to an except...

Why does variance in .NET 4 only support reference types?

.NET 4 supports co- and contravariance. However, only reference types are supported, not value types. Why is that? ...

Activate thread synchronically

Hi All, I'm using .Net 4.0 parallel library. The tasks I execute, ask to run some other task, sometimes synchronously and sometimes asynchronously, depending on some conditions which are not known in advanced. For async call, i simply create new tasks and that's it. I don't know how to handly sync call: how to run it from the same threa...

ItemsControl ItemTemplate Binding

Hi All, In WPF4.0, I have a class that contains other class types as properties (combining multiple data types for display). Something like: public partial class Owner { public string OwnerName { get; set; } public int OwnerId { get; set; } } partial class ForDisplay { public Owner OwnerData { get; set; } publi...