Clash Royale CLAN TAG#URR8PPP

Check if property is either of type or it's nullable type

I am currently checking if a property type is either a DateTime or a nullable DateTime like this:

if (prop.PropertyType == typeof(DateTime) || prop.PropertyType == typeof(DateTime?))


Can anyone please tell me if I can somehow condense this into a single statement by checking the underlying type?

3 Answers
3

Here is a simple sollution: typeof(DateTime?).IsAssignableFrom(prop.PropertyType). This will be true for DateTime? or DateTime and false for others.

typeof(DateTime?).IsAssignableFrom(prop.PropertyType)

DateTime?

DateTime

You may try this:

if (prop.PropertyType.UnderlyingSystemType==typeof(DateTime))


...

Try something like this

public class Program

public static void Main(string args)

//Your code goes here
DateTime? nullableDate = null;

bool output = CheckNull.IsNullable(nullableDate); // false

Console.WriteLine(output );


public static class CheckNull

public static bool IsNullable<T>(T t) return false;
public static bool IsNullable<T>(T? t) where T : struct return true;




output : True

True

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