How to handle nulls in LINQ when using Min or Max?

Question

I have the following Linq query:

result.Partials.Where(o => o.IsPositive).Min(o => o.Result)

I get an exception when result.Parti

Answer 1

You can use the DefaultIfEmpty method to ensure the collection has at least 1 item:

result.Partials.Where(o => o.IsPositive).Select(o => o.Result).DefaultIfEmpty().Min();