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c# null conditional operator if statement

John M. Landsberg 
// This is used if the source of a value is uncertain to exist

// For both of these examples, if 'p' is null, 'name' and 'age' will be null
// (as opposed to throwing an error)
string name = p?.FirstName;
string age = p?.Age;

string silver = preciousMetals?[4]?.Name;
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SR. 115 points 

                                    //Return stirng representation of nullable DateTime
DateTime? x = null;
return x.HasValue == true ? x.Value.ToString() : "No Date";

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