I am having problems with an ASP Core project I am working on. I want to add the data from a view to a fake repository, but when clicking SAVE button "Status Code: 404; Not Found" is return. I am not understanding where my problem is.
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that is because in your form action you have asp-action="/Shared/InputClub" changed it to asp-action="/Club/AddClub" also your html controls need name attribute