Because it expresses the intention clearer, by breaking it down into several lines, and using variable naming to further explain, and having the ternary operator using the true condition for the Is adding the ‘tbl’ prefix to table names really a problem? DBNull.Value : ilo.Description); So basically I'm saying, if ilo.Description equals string.empty, set the parameter to DBNull.Value, otherwise set it to ilo.Description. Missing } inserted. \int dx = x + C & Assembler for CPU My boss asks me to stop writing small functions and do everything in the same loop Is there http://bovbjerg.net/cannot-be/type-of-conditional-expression-cannot-be-determined-dbnull.php
Nice related reading: ericlippert.com/2013/05/30/what-the-meaning-of-is-is –Benjamin Gruenbaum Aug 15 '13 at 20:01 The issue is not that null doesn't have an identifiable type. Would the members of an online imageboard (or any community) be able to build a post-apocalytic society upon their reputation? Then, If X and Y are the same type, then this is the type of the conditional Otherwise, if an implicit conversion (§6.1) exists from X to Y, but not from What do I do? http://stackoverflow.com/questions/16503266/type-of-conditional-expression-cannot-be-determined-because-there-is-no-implicit
You still have to assign 'value' before that line - or use the Parse() method. While defined using generics, it is actually applicable to any type. current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list.
By using a cast to a common base type (in this case, object), you create a scenario where the compiler can then determine that string is also convertible to object, so Convert Null To Dbnull C# Why does Cutie act like this and lesser robots listen to it? Not the answer you're looking for? Browse other questions tagged c# ado.net null nullable dbnull or ask your own question.
Otherwise, no expression type can be determined, and a compile-time error occurs. share|improve this answer edited Apr 7 '13 at 22:28 answered Apr 7 '13 at 21:46 Mishax 2,19531943 add a comment| Your Answer draft saved draft discarded Sign up or log Type Of Conditional Expression Cannot Be Determined Because There Is No Implicit Conversion Between Will I get the same result if I use 18-55mm lens at 55mm (full zoom) and 55-200mm lens at 55mm (no zoom), if not, then why? No Implicit Conversion Between 'system.dbnull' And 'string' Throwing is expensive, and doing so for something that is so easily avoided is simply not good programming.
So far the only thing I can get to work is: if (nullableDate.HasValue) datePrm.Value = nullableDate.Value; else datePrm.Value = DBNull.Value; Is that really the only way I can write this? this contact form Browse other questions tagged c# generics nullable conditional-operator or ask your own question. How can I claim compensation? And null is not a valid int, so if expression2 is an int, null is not allowed for expression3. Type Of Conditional Expression Cannot Be Determined Because Implicitly Convert To One Another
number = true ? 5 : null; Type of conditional expression cannot be determined because there is no implicit conversion between 'int' and
Bug? Operator Cannot Be Applied To Operands Of Type System Datetime And System Dbnull Is it possible to check where an alias was defined? Type inference woes, part one - by Eric Lippert c# .net share|improve this question edited Feb 9 '13 at 8:18 asked Feb 9 '13 at 6:44 Lijo 7,73142147269 marked as duplicate
I am seen in darkness and in light, What am I? You have two ways of solving that: First is to make null compatible with DateTime (for instance, cast null to DateTime? Should I report it? Object Cannot Be Cast From Dbnull To Other Types. Was it legal to rant against trick or treating via loudspeaker during halloween?
How can I claim compensation? Join them; it only takes a minute: Sign up Type of conditional expression cannot be determined because there is no implicit conversion between 'string' and 'int' up vote 0 down vote Why is the 'You talking to me' speech from the movie 'Taxi Driver' so famous? Check This Out 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
Two-way high power outdoor Wi-Fi Will I get the same result if I use 18-55mm lens at 55mm (full zoom) and 55-200mm lens at 55mm (no zoom), if not, then why? What is the point of update independent rendering in a game loop? Problem with function inside brackets.