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Error creating DataSource

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Ritchie asked on 10 Jan 2011, 05:10 AM

Hi.
I am using Telerik Reporting Q3 2010. I am trying to create my first basic report and am following the instructions as per;
http://www.telerik.com/help/reporting/quick-start-create-simple-report.htmlI create a class library

I add a new Telerik report. The wizard fires up
I get to the point where I create a new datasource.
When I click the "Add New DataSource ..." button on the Choose Data Source step of the report wizard - and then select "SQL datasource", I get the following error;

"Object Reference not set to an instance of an object".

Thing is, when I was using the demo version I had no such worries. This morning I uninstalled that version and then installed a purchased version. It installed OK. I removed the previous class library project that used the demo version references and have created a new library prior to creating the report.

Anyone seen this problem or have a suggestion?

thanks Ritchie

4 Answers, 1 is accepted

answered on 11 Jan 2011, 02:33 PM

Hello Ritchie,

You are the first one to report such behavior and due the generic error, we will need more information and our suggestion is to use VS to debug itself - just choose Debug->Attach to process to debug another instance of devenv.exe and enable First Chance Exceptions on the On the Debug menu, select Exceptions (or use Ctrl+D,E from the keyboard). Then you have to monitor the Output windows. This approach is mainly used when Visual Studio hangs and exits unexpectedly however we hope it will give us more information.

You can also start Visual Studio with enabled log to see if that would bring more light to the problem. Anything relevant that you can think of and share would be highly appreciated.

Kind regards,
Peter
the Telerik team

Get started with Telerik Reporting with numerous videos and detailed documentation.

answered on 16 Jan 2011, 01:56 PM

Object-reference-not-set-to-the-instance-of-the-object.jpg

Hi Peter

I am facing same error message (screen shot attached) whenever I try to add a new Datasource. Strangely this error didn't occur for the first few times after I installed Telerik Reporting Q3 2010. I have Win 7 Premium home and VS 2008 installed in my Dev machine.