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Type Of Conditional Expression Cannot Be Determined Null Int

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Can I sell a stock immediately Basic Geometric intuition, context is undergraduate mathematics Is adding the ‘tbl’ prefix to table names really a problem? asked 2 years ago viewed 212 times active 2 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Related 2C# ADO.Net Type of conditional expression cannot be determined because I was simply suggesting to use a similar behavior as lifted operators. There are reasons though when you get into object heirarchies. http://rinfix.com/cannot-be/type-of-conditional-expression-cannot-be-determined-because.html

I also have a problematic line of code where the console returns statistics on the user. GetBoolValue() ? (int?)10 : null // #1 GetBoolValue() ? 10 : (int?)null // #2 GetBoolValue() ? 10 : default(int?) // #3 share|improve this answer edited Apr 29 at 8:45 snijhof 3711 If only one of x and y has a type, and both x and y are implicitly convertible to that type, then that is the type of the conditional expression. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed http://stackoverflow.com/questions/858080/nullable-types-and-the-ternary-operator-why-is-10-null-forbidden

Type Of Conditional Expression Cannot Be Determined Dbnull

Why is the 'You talking to me' speech from the movie 'Taxi Driver' so famous? Reload to refresh your session. MrJul commented Feb 12, 2015 @axel-habermaier I believe this request is simply to special case a struct value of type T and null to return a Nullable, not determining the best Otherwise, no expression type can be determined, and a compile-time error occurs.

share|improve this answer answered Oct 27 '15 at 19:33 Asad Saeeduddin 30.9k43772 very impressive. Is it possible for a diesel engine computer to detect (and prevent) a runaway condition? Reload to refresh your session. No Implicit Conversion Between 'system.dbnull' And 'string' Can an object *immediately* start moving at a high velocity?

We only choose from types that are already in your code, and only if one of them is clearly better than the rest. –Eric Lippert May 13 '09 at 16:54 | x = GetBoolValue() (int?)10 : null; share|improve this answer answered May 13 '09 at 14:00 Justin Niessner 180k19303438 add a comment| up vote 3 down vote int? My cat sat on my laptop, now the right side of my keyboard types the wrong characters What is the point of update independent rendering in a game loop? http://stackoverflow.com/questions/858080/nullable-types-and-the-ternary-operator-why-is-10-null-forbidden c# generics nullable conditional-operator share|improve this question asked Nov 17 '08 at 15:18 Nick Gotch 3,931124586 10 You can save yourself a lot of typing by using DateTime?

Otherwise, no expression type can be determined, and a compile-time error occurs. Conditional Operator C# c# linq share|improve this question edited Jun 28 at 12:39 Sarvesh Mishra 1,430417 asked Jun 28 at 12:28 jason 62052970 2 Just add a ToString after the first m.RelatedLook.Age. –juharr x = a ? 1 : null gives the error CS0173: Type of conditional expression cannot be determined because there is no implicit conversion between 'int' and '' and instead you asked 8 years ago viewed 12860 times active 1 year ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Linked 2 Method to Return a Parsed Decimal Does not Compile

  1. Since the compiler implictitly decides that 10 is an int it then decides that the return type of this expression shall be an int as well.
  2. Thanks!! –BFree May 13 '09 at 14:05 6 You can also write new int?(). –SLaks Apr 9 '10 at 16:02 30 Or even better IMHO: default(int?) –Lucero Jul 19
  3. foo; foo = true ?
  4. Let X and Y be the types of the second and third operands.

There Is No Implicit Conversion Between Int And Null

Why do some banks have more than one routing number in the US? share|improve this answer edited Apr 20 '13 at 8:12 Peter Mortensen 10.3k1370108 answered May 13 '09 at 15:09 Eric Lippert 422k1198731730 add a comment| up vote 4 down vote Try one Type Of Conditional Expression Cannot Be Determined Dbnull Is it possible to hand start modern planes? No Implicit Conversion Between 'system.dbnull' And 'int' How do I make an alien technology feel alien?

Find a mistake in the following bogus proof How to prove that authentication system works, and that the customer is using the wrong password? his comment is here share|improve this answer answered May 13 '09 at 14:09 Guffa 450k58422740 add a comment| Not the answer you're looking for? That way this would work with more esoteric code like (1 == 1 ? It is a ternary operator - and currently the only one - but that doesn't describe anything other than the number of operands. –Jon Skeet Oct 21 '08 at 6:04 3 Type Of Conditional Expression Cannot Be Determined Because Implicitly Convert To One Another

instead of Nullable. –Stewart Johnson Nov 17 '08 at 15:24 add a comment| 5 Answers 5 active oldest votes up vote 215 down vote accepted This question has been asked a In your case, there isn't one, and so you get the error. or object? this contact form Mimsy were the Borogoves - why is "mimsy" an adjective?

as the gentleman with 70 upvotes suggests, or cast null to Object or to ValueType). C# Null Conditional Operator x = GetBoolValue() ? 10 : (int?)null; It is the ternary operator that gets confused - the second argument is an integer and so is the third argument exspected to be omariom commented Feb 12, 2015 @axel-habermaier, there should be no problems with value types.

While defined using generics, it is actually applicable to any type.

Colleague is starting to become awkward to work with Why does top 50% need a -50% translate offset? Browse other questions tagged c# string console int or ask your own question. share|improve this answer answered May 13 '09 at 14:00 Daniel Brückner 44.4k868121 add a comment| up vote 3 down vote It's because the compiler determines the type of the conditional operator Object Cannot Be Cast From Dbnull To Other Types number = true ? 5 : (int?)null; share|improve this answer answered Aug 15 '13 at 19:45 Marc Gravell♦ 634k14817662236 1 Or you can do int?

What is the meaning of ''cry oneself"? Solving a discrete equation What is the point of update independent rendering in a game loop? int? http://rinfix.com/cannot-be/type-of-conditional-expression-cannot-be-determined-dbnull.html default(DateTime) : new DateTime(0); Example usage with the current accepted answer: DateTime?

omariom commented Feb 13, 2015 @MrJul, 👍 mburbea commented Feb 13, 2015 Err no. @MrJul that is not correct. Polyglot Anagrams Cops' Thread Why does Cutie act like this and lesser robots listen to it? Aggregate((current, next) => current + " | " + next) This whole line is giving this error : Type of conditional expression cannot be determined because there is no implicit conversion c# conditional-operator nullable share|improve this question edited Apr 7 '10 at 10:11 Josh Lee 84.3k16180207 asked Oct 20 '08 at 23:04 Tim Jarvis 13.3k64177 5 I won't edit your title

Here, "certain good conditions" means certain conversions are possible, which we will get into the details of below. Thanks. –jason Jun 28 at 12:38 You can store it as a string if you want, but something feels "off" to me about wanting to store what is, essentially, You signed out in another tab or window. x = GetBoolValue() ? (int?)10 : null; int?

The compiler doesn't have a special flag telling it that an int? Find the "unwrapped size" of a list Calculating ...5(5+4(4+3(3+2(2+1(1))))) How do you enchant items with Lapis Luzuli?