How To Implement Autocomplete Textbox In Blazor csharp corner articl?

I work on blazor asp.net core . i read article on csharp corner site meaning on this site with title as below

 How To Implement Autocomplete Textbox In Blazor 

so How to get source code for that article 

article is too much good but not have source code so can you provide me source code so i can implement

auto complete blazor by easy way

link as below 

c-sharpcorner.com/blogs/how-to-implement-autocomplete-textbox-in-blazor