Error Multiple components use the tag 'MenuItem'.

Question

Severity Code Description Project File Line Suppression State

Error Multiple components use the tag 'MenuItem'. Components: Syncfusion.Blazor.Navigations.MenuItem, Syncfusion.Blazor.Navigations.MenuItem CMS C:\G\Case Manager Blazor Edition\CaseManager_SyncFusion\CMS\Pages\Scheduler.razor 159

There seems to be a conflict between my declared Syncfusion.Blazor reference in NuGet and all of these subset packages.

How do I resolve these hundreds of errors. These all starting appearing after I added the Document and PDF viewer NuGet packages. Now the errors won't go away....

Gayathri KarunaiAnandam · Accepted Answer

Hi Miles, We have checked your reported query. We can resolve this issue by using the namespace in the tag to specify which one you want to use. We suggest you to use the full namespace for each component when use same property (MenuItem). Please check the below code snippet. For your reference, we have prepared a sample based on this. Please check the below sample link. Sample: https://www.syncfusion.com/downloads/support/forum/169062/ze/Server5.01904531296 Please check the link and get back to us, if you need further assistance. Regards, Gayathri K

Raphael · Answer

Are you serious?

Miles Gibson · Answer

That is probably because of a naming conflict with another NuGet package.....

YuvanShankar Arunagiri · Answer

You are correct, Miles. The issue is because of
a naming conflict with another NuGet package. You can use the solution as we
stated earlier on September 24, 2021.If that post is helpful, please
consider accepting it as the solution so that other members
can locate it more quickly.

Miles Gibson · Answer

Ok I did.  It is not a perfect solution by any means however.

YuvanShankar Arunagiri · Answer

Miles, within Syncfusion Blazor component package, we have unique namespace/
tag name for all Syncfusion component. You can
use the below link for reference.API link: https://help.syncfusion.com/cr/blazor/Syncfusion.Blazor.htmlWe can’t replicate your reported query in our end. Can you
please confirm whether you use third party component with Syncfusion component
and share the issue
reproducible sample or replicate the issue in our attached
sample.Attachment: MenuBarSample_d62f2a30.zip

Tom-Brian Garcia · Answer

Same issue here. As soon as you add NuGet package PdfViewer, you get these errors...

I followed these tutorials to integrate into a project created through Visual Studio Code Syncfusion Blazor helper
https://blazor.syncfusion.com/documentation/pdfviewer/getting-started/web-assembly-application
https://blazor.syncfusion.com/documentation/pdfviewer-2/getting-started/web-assembly-application

And now all Syncfusion types are seen as "duplicated" and with build errors

Chinnamunia Karthik Chinna Thambi · Answer

The reported issue
will occur while using both Syncfusion.Blazor and
Syncfusion.Blazor.SfPdfviewer/Syncfusion.Blazor.PdfViewe packages in the same
application. While using the both the Nugets will throw ambiguous errors while
compiling the project. So, we suggest you use
Syncfusion.Blazor.SfPdfviewer/Syncfusion.Blazor.PdfViewe NuGet packages alone
for the Blazor PDF Viewer. If you want to use other Syncfusion Blazor
components please check and install Syncfusion Blazor individual NuGet
packages. We have shared the documentation for your reference. Documentation
Link: https://blazor.syncfusion.com/documentation/nuget-packages/#for-blazor-server-application Note: 
 Do not use both
     Syncfusion.Blazor and
     Syncfusion.Blazor.SfPdfviewer/Syncfusion.Blazor.PdfViewer packages in the
     same application. It will throw ambiguous errors while compiling the
     project. 
 Do not use both
     Syncfusion.Blazor and individual NuGet packages in the same
     application. It will throw ambiguous errors while compiling the
     project.