CS0119: "Queryable.Count<TSource>(IQueryable<TSource>)" ist "Methode" und im angegebenen Kontext nicht gültig.
_libraryManager.GetItemList()returnsIQueryable<T>orIEnumerable<T>- On these types,
Countis an extension method, not a property - Trying to access
.Count.ToString()fails becauseCountis a method group
- Changed
items?.Count.ToString()toitems?.Count().ToString() - This calls the
Count()extension method instead of trying to access a property
/app/ApiController.csline 307
dotnet clean StudioDashboard.sln
dotnet restore StudioDashboard.sln
dotnet build StudioDashboard.sln -c ReleaseThis should resolve the CS0119 compilation error.