"Value cannot be null. Parameter name: instance" error when trying to open telerik report

c# visual-studio-2010 telerik telerik-reporting
Ferid Sejdović picture Ferid Sejdović · Apr 24, 2014 · Viewed 17.3k times · Source

In my solution I have telerik reports and when trying to open them in Visual Studio 2010 designer, I am getting this error:

Value cannot be null. Parameter name: instance

Call Stack 

at System.ComponentModel.TypeDescriptor.AddAttributes(Object instance, Attribute[] attributes)
at Microsoft.VisualStudio.Design.VSDesignSurface.CreateDesigner(IComponent component, Boolean rootDesigner)
at System.ComponentModel.Design.DesignerHost.AddToContainerPostProcess(IComponent component, String name, IContainer containerToAddTo)
at System.ComponentModel.Design.DesignerHost.PerformAdd(IComponent component, String name)
at System.ComponentModel.Design.DesignerHost.System.ComponentModel.Design.IDesignerHost.CreateComponent(Type componentType, String name)
at System.ComponentModel.Design.Serialization.DesignerSerializationManager.CreateInstance(Type type, ICollection arguments, String name, Boolean addToContainer)
at System.ComponentModel.Design.Serialization.DesignerSerializationManager.System.ComponentModel.Design.Serialization.IDesignerSerializationManager.CreateInstance(Type type, ICollection arguments, String name, Boolean addToContainer)
at System.ComponentModel.Design.Serialization.TypeCodeDomSerializer.Deserialize(IDesignerSerializationManager manager, CodeTypeDeclaration declaration)
at System.ComponentModel.Design.Serialization.CodeDomDesignerLoader.PerformLoad(IDesignerSerializationManager manager)
at Microsoft.VisualStudio.Design.Serialization.CodeDom.VSCodeDomDesignerLoader.PerformLoad(IDesignerSerializationManager serializationManager)
at Microsoft.VisualStudio.Design.Serialization.CodeDom.VSCodeDomDesignerLoader.DeferredLoadHandler.Microsoft.VisualStudio.TextManager.Interop.IVsTextBufferDataEvents.OnLoadCompleted(Int32 fReload)

When I run the solution, they are appearing and they are good. So, the only problem is the designer and this error.

Thanks in advance.

Answer

Ferid Sejdović picture Ferid Sejdović · Jun 4, 2014

I re-installed Telerik Reporting component, removed and added again DLLs and now is working fine.

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