Damir Dobric Posts

Implementing your own Service Bus

The idea around Service Bus technology seems to become a hot topic soon. Because of this, I will describe in this post how one Service Bus can be build on the top of WCF. If you are familiar with WCF after you read this you should know how the Service...

Published Wed, Oct 31 2007 7:19 AM by Damir Dobric

Filed under: Rfid, BizTalk, Core.Net, WCF

Connecting to MQSeries with .NET

By connecting to MQSeries withing a .NET application, first it has to be done is to install MQ Series client at the machine which will host the application. To do that, you can obtain for example the trial version of WebSphere MQ. During installation...

Published Fri, Apr 13 2007 1:31 AM by Damir Dobric

Configuring and Troubleshooting NTLM and Kerberos on Windows 7 (Windows Server 2008) and IIS7

Sometimes it might be required to enable NTLM in IIS. One good reason for this could be some service suite (for example bunch of WCF service). As long you enable your services internally in your enterprise you should enable KERBEROS authentication only...

Published Sun, Aug 16 2009 8:06 PM by Damir Dobric

Posting of Event to BTS.RFID queue

It may happen, that in some advance scenarios is required take more control about queuing mechanism of RFID stack. In this post I would like to show how to post the native message to the private queue of the process pipeline. First important to know is...

Published Mon, May 12 2008 2:46 PM by Damir Dobric

Filed under: Rfid

Enabling of NTLM on Windows 7 and Windows Server 2008 R2

New operative systems are by default not very friendly to NTLM authentication. The introduce a set of group policies which control who can use NTLM in enterprise. Following picture shows the final configuration which I set up at my development machine...

Published Sun, Aug 16 2009 8:04 PM by Damir Dobric

Filed under: WCF

Securing WCF (Windows Communication Foundation) transport wit SSL

Securing WCF (Windows Communication Foundation) transport WCF provides mechanism of securing of communication between client and WCF-service by using of message and/or transport mode. However, when transport mode ( basic transport security ) is used,...

Published Thu, Jun 29 2006 3:58 PM by Damir Dobric

Filed under: Core.Net, WCF

LINQ, “orderby” and dynamic query sample

One of important benefits of LINQ is that it enables you to write type-safe queries in VB and C#. Unfortunately there are Business cases cases where you want the flexibility to dynamically construct queries on the fly and damage type safety of Linq. ...

Published Sat, Jun 14 2008 11:22 PM by Damir Dobric

Filed under: Core.Net

WebSockets in ASP.NET and JavaScript

Windows 8 operative system will provide the full support for WebSockets (see also WebSockets.org ). Simplified, It is a web technology which provides full-duplex communication over TCP initiated by preceding HTTP request. There are many innovative and...

Published Sun, Jan 29 2012 6:55 PM by Damir Dobric

Filed under: Asp.Net, WCF, windows azure

RegisterStartupScript and RegisterClientScriptBlock can work with UpdatePanel?!

Imagine you have a control which registers some trivial script, which has to be executed during loading of the page. To do that you will usually use following method: page.ClientScript.RegisterStartupScript(…) After some time, you decide to use...

Published Mon, Feb 12 2007 2:38 PM by Damir Dobric

Filed under: Asp.Net

Max-Number of Threads in ThreadPool

Note that the maximum number of threads per process per processor has been increased to 250 (previously 25) since.NET2.0 SP1 (or currently .NET3.5).

Published Tue, Apr 01 2008 4:32 PM by Damir Dobric

Workflow Services: ContextManager is NULL-reference

When using ContextManager in WorflowService scenario, it can happen that the instance of the manager does not exist at all. To illustrate this, take a look on following sample: MyDemoSvcClient demoSvc = new Consumer.WfSvcDemo. MyDemoSvcClient (); demoSvc...

Published Tue, Apr 22 2008 2:41 PM by Damir Dobric

Manipulating Security Trimmers in MOSS

When working with search security trimmers, you will have to use stsadm tool to install the trimmer and to pair it an existing CrawlRule. Following examples show how to enlist existing security trimmers, how to register the new one and how to unregister...

Published Fri, Mar 21 2008 1:50 AM by Damir Dobric

Filed under: MOSS

Linq update and insertion

In this post I will show few basic scenarios and related problems by daily using of the Linq2Sql. Before all take a look on next two pictures which represent the database and the data-context used in samples in this post. Retrieving of some item Following...

Published Sun, Jan 20 2008 7:46 PM by Damir Dobric

ManualWorkflowSchedulerService and DelayActivity

While implementing Windows Workflow (WF) applications, there are situation when the workflow has to be scheduled manually. By default one workflow is scheduled by using DefaultWorkflowSchedulerService . Additionally to default scheduler, Windows Workflow...

Published Mon, Dec 10 2007 11:31 PM by Damir Dobric

Filed under: Workflow

Self Hosting of DSPI Provider

Imagine you have a machine which should host some very simple RFID application, without of need to provide reliability, management and all those powerful staffs delivered with BizTalk Rfid. For example you decided to deploy BizTalk Rfid in the near future...

Published Tue, Mar 11 2008 10:52 PM by Damir Dobric