Blazor core 2.2 Urihelper.Navigateto not working?

Question

Hello

 

I have create blazor application, but I can facing NavifateTo Url issue, so how to fix this issue please suggest me and I have attach two image can you please see this image. first image is my code and second one image is throwing browser error image so can you please looks images. 

 

Thanks & Regard

Bhavesh