ComboBox entries "Undefined"

You need to return a collection of `KeyContent`, not a `string`, have a look at any of our demos, for example here: https://demo.aspnetawesome.com/Odropdown#odropdown

at 22 Sep 2021 Omu

I changed code to used KeyContent, and I am having trouble attempting to have a distinct list from the database.

My code is below:
    var items = db.Results.ToList().Where(x=>x.Engineer != null).Select(o => new KeyContent(o.Engineer, o.Engineer)).Distinct();

I have also tried this:

    var items = db.Results.ToList().Where(x=>x.Engineer != null).Distinct().Select(o => new KeyContent(o.Engineer, o.Engineer));

No matter where I call the Distinct(), the list populates with duplicates. Any ideas on this?

at 22 Sep 2021 eliawesome

I have resolved this issue. Solution was: 
             var items = db.Results
            .Where(x => x.Engineer != null)  
            .Select(x => x.Engineer)          
            .ToList()
            .Distinct()                     
            .Select(x => new KeyContent(x, x));

at 22 Sep 2021 eliawesome

ComboBox entries "Undefined"

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