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J'ai un tableau d'un objet d'un employé de type,Comment vérifier les dates nullables dans la requête LINQ
var s = from x in employee
where !string.IsNullOrEmpty(x.FirstName) && (x.FirstName.IndexOf(searchText, StringComparison.OrdinalIgnoreCase)) >= 0 || !string.IsNullOrEmpty(x.LastName) && (x.LastName.IndexOf(searchText, StringComparison.OrdinalIgnoreCase)) >= 0 ||
//I want to check here for null DateOfBirth
x.DateOfBirth.Value.ToShortDateString().StartsWith(searchText, StringComparison.OrdinalIgnoreCase)
select x;