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How to enable multiple site bindings in WCF 4.0

This post describes shortly how to enable multiple site bindings in WCF 4.0. Open IIS 7 Manager and create new site. Add two bindings to the site like shown in the picture below: After that either configure your DNS or change host file %SYSTEM%\System32...

Published Sun, Feb 02 2010 1:00 AM by Damir Dobric

Filed under: WCF, AppFabric

WCF 4.0 file-less activation error: ServiceHost only supports class service types.

When working with WCF 4.0 and File-Less Service Activation you may get following error: ServiceHost only supports class service types. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack...

Published Thu, Feb 02 2010 11:12 PM by Damir Dobric

Filed under: WCF, AppFabric

Samples for WF 4.0 and WCF 4.0 Release Candidate

WF: http://msdn.microsoft.com/en-us/library/dd489441(VS.100).aspx WCF: http://msdn.microsoft.com/en-us/library/dd456779(VS.100).aspx WF Designer: http://msdn.microsoft.com/en-us/library/dd489396(VS.100).aspx WCF Samples: http://msdn.microsoft.com/en-us...

Published Sun, Feb 02 2010 11:54 AM by Damir Dobric

Filed under: WCF, WF

Uninstalling of AppFabric Beta 1

If you have installed the AppFabric beta 1, and want to install VS 2010 RC, note that you have to uninstall AppFabric BETA 1 before installing of VS RC bits. This is NOT documented in installation documentation of VS 2010 BETA 1. AppFabric BETA 1 is buld...

Published Fri, Feb 02 2010 6:59 PM by Damir Dobric

Filed under: WCF, WF, AppFabric

DataServices 0x80070006 error

When working with Ado.Net data services you may get following error. Could not load file or assembly 'System.Data.Services.Client, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' or one of its dependencies. The handle is invalid...

Published Tue, Jan 01 2010 1:59 PM by Damir Dobric

Filed under: WCF, Silverlight

Configuration Simplification in WCF (in German)

Few weeks ago I wrote an Article for Compute World in Swiss, which covers WCF 4.0 configuration simplification. Intro: “ Die kommende Version 4.0 des .NET Framework bringt auch für die Windows Communication Foundation (WCF) einige Änderungen mit sich...

Published Sat, Jan 01 2010 5:45 PM by Damir Dobric

Filed under: WCF

Workflow Services: How to setup namespace and contract name

If you want to use the custom namespace of your WorkflowService which is in fact different than the default one “ http://tempuri.org ”, you have two ways to do that: 1. Brute Force method by using of XAML 2. Setting of namespace in property window. Setting...

Published Wed, Jan 01 2010 4:38 PM by Damir Dobric

Filed under: WCF, WF

More WCF Stack in SIlverlight 4.0

More WCF services .NET RIA Services and ADO.NET Data Services will be rebranded as WCF Data Services and WCF RIA Services. That seems to be an interesting marketing move, but in fact it express that WCF was and is major base technology for communication...

Published Thu, Jan 01 2010 11:45 PM by Damir Dobric

Filed under: WCF, Silverlight

Developing Services for AppFabric Worker Feature (Dublin)

When developing Workflow Services or WCF service which should run in AppFabric Worker Feature (if you are confused read simply “Dublin”), one could ask is possible to develop it without of AppFabric at all. The answer is typical architect answer: “It...

Published Sun, Dec 12 2009 12:59 PM by Damir Dobric

Filed under: WCF, WF, AppFabric

Using of Impersonation with DataServices

When working with web services and ADO.NET services (O-data) you will sometimes have requirement to invoke ADO.NET Data Service from one service. For example, imagine there is a Silverlight application which invokes some operation DoSomething on Service1...

Published Wed, Dec 12 2009 1:00 AM by Damir Dobric

Filed under: WCF

How to enable ASP.NET on WinServer2008 R2?

When working with Windows Server 2008 R2 in order to run you ASP.NET application you will need to install ASP.NET feature on the “Web Role”. To do this open “Server Manager” and lookup “Web Server (IIS)” under Roles node. Select ASP.NET as shown on the...

Published Fri, Dec 12 2009 10:02 PM by Damir Dobric

Filed under: Asp.Net, WCF, WF, AppFabric

Windows Server AppFabric or “Bye bye Dublin”

Application Server Dublin and Velocity are two technologies which from now have one name “AppFabric”. Windows Server AppFabric is a set of integrated technologies (Dublin, Velocity and Service Bus) that make it easier to build, scale and manage web and...

Published Tue, Nov 11 2009 11:34 PM by Damir Dobric

Filed under: WCF

Attach Debugger Security Warning

While debugging you WCF-Service or ASP.NET application within UnitTest you may get following warning when stepping into the service code. “Attaching to this process can potentially harm your computer…” For example, this can happen when you have the UnitTest...

Published Fri, Nov 11 2009 6:12 PM by Damir Dobric

Filed under: Asp.Net, Core.Net, WCF, Core.Net WCF

IIS 7.5 and “Always Running” Web Applications

IIS 7.5 which is ships with Windows Server 2008 R2 and Windows 7 provides a new feature for Web Applications. This feature allows one to install a Web Application which is not initialized after receiving of the first request started. Instead such application...

Published Sun, Oct 10 2009 10:19 PM by Damir Dobric

Filed under: Asp.Net, WCF, WF, AppFabric

Workflow 4.0 Content Based Correlation error

When working with WF 40 and content based correlation you may get following error: The execution of an InstancePersistenceCommand was interrupted by a key collision. The instance key with value '300a1ad8-d985-56dc-4075-b45e1aa1faa1' could not...

Published Tue, Oct 10 2009 9:46 AM by Damir Dobric

Filed under: WCF

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How to enable multiple site bindings in WCF 4.0

WCF 4.0 file-less activation error: ServiceHost only supports class service types.

Samples for WF 4.0 and WCF 4.0 Release Candidate

Uninstalling of AppFabric Beta 1

DataServices 0x80070006 error

Configuration Simplification in WCF (in German)

Workflow Services: How to setup namespace and contract name

More WCF Stack in SIlverlight 4.0

Developing Services for AppFabric Worker Feature (Dublin)

Using of Impersonation with DataServices

How to enable ASP.NET on WinServer2008 R2?

Windows Server AppFabric or “Bye bye Dublin”

Attach Debugger Security Warning

IIS 7.5 and “Always Running” Web Applications

Workflow 4.0 Content Based Correlation error