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TabControlExt null reference...

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9601 Dec 31,2003 07:53 AM Jan 2,2004 06:06 AM Windows Forms 5
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Tags: Tools
Dave
Asked On December 31, 2003 07:53 AM

I''d like to determine what is causing this problem. I moved the form from one drive to another, still reference the same Syncfusion dll and I now get the following error: "An exception occurred while trying to create an instance of Syncfusion.Windows.Forms.Tools.TabControlExt. The exception was "Object reference not set to an instance of an object.". The project still compiles, but the tabcontrol and any controls that are contained by the tabcontrol are now invisible. Thanks, The Invisible Man

Administrator [Syncfusion]
Replied On December 31, 2003 09:26 AM

Hi Dave, I presume that you have moved the entire project folder to another drive and not just the Form (since it has license dll and many other resources associated with it). You could also try this - in the VS.NET designer delete all the references to Syncfusion dlls and add them once again. Now rebuild your application and see if this helps. Please try this and let me know if you continue to experience this problem. Regards, Guru Patwal Syncfusion, Inc.

Dave
Replied On December 31, 2003 10:45 AM

Hi Guru- I removed all references to Syncfusion.Shared.* from the references node for this project from the solution explorer. I also removed references from the toolbox and deleted the licenses.licx file. Still have the same problem. Yes, I did move the entire project. I upgraded to a new machine yesterday, still running the same version of .NET, same OS; basically just a faster machine and more disk space...but for some reason the tabcontrolext just doesn''t like the change... Thanks, Dave

Administrator [Syncfusion]
Replied On December 31, 2003 12:46 PM

Hi Dave, I assume that you have installed Essential Suite on the new machine and not just copied the project folder along with our DLLs. It is necessary to do so to have appropriate DLLs in the GAC and for the _FusionLic.dll file to be correctly generated. Also, please set the CopyLocal property of the references in your application to false. Please try this and let me know how it goes. I would appreciate if you could open an incident in Direct Trac in this regard so that I could update you there from now on. We appreciate your cooperation, and thanks for choosing Syncfusion products. Regards, Guru Patwal Syncfusion, Inc.

Dave
Replied On December 31, 2003 12:53 PM

Hi Guru- I will try re-installing it to ensure everything is proper. I have opened a call through direct-trac under id 8453. Thanks, Dave

Administrator [Syncfusion]
Replied On January 2, 2004 06:06 AM

Hi Dave, Thanks for the update. Your incident on Direct Trac has been answered. Please try the solution suggested in our response and let us know (by updating the incident on Direct Trac) how it goes. We appreciate your cooperation, and thanks for choosing Syncfusion products. Regards, Guru Patwal Syncfusion, Inc.

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