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The curious part is that I can do the following with no error, which should be exactly the same thing as using inline conditional syntax like above!?! TryParse() returns a System.Boolean, System.DBNull.Value is a System.DBNull - since an expression can only have one type, the compiler can't determine what to do when the left side of the : Colleague is starting to become awkward to work with Word for a Fact Believed by a Sub-Culture Why were pre-election polls and forecast models so wrong about Donald Trump? more hot questions question feed lang-cs about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation http://ibuildsystem.com/cannot-be/type-conditional-expression-cannot-determined-dbnull.php
That's why we have the TryParse() method all over the place - use it! x = null; Console.WriteLine( x.ToDBValue() == DBNull.Value ); } } share|improve this answer answered Oct 20 '08 at 15:40 Pop Catalin 34.4k1771102 add a comment| up vote 5 down vote It What is this line of counties voting for the Democratic party in the 2016 elections? Related 2C# ADO.Net Type of conditional expression cannot be determined because there is no implicit conversion between DBNull.Value and int-4Cannot convert lambda expression to type string because it is not a http://stackoverflow.com/questions/16503266/type-of-conditional-expression-cannot-be-determined-because-there-is-no-implicit
I am seen in darkness and in light, What am I? SqlString.Null; share|improve this answer answered Mar 25 '15 at 14:23 Gian Marco Gherardi 10.3k22928 +1 @Gian Marco Gherardi's answer is ideal. Vent kitchen hood vent to roof turbine vent?
I thought initially I'd be clever: datePrm.Value = nullableDate ?? 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 if you say Object o = (someBool) ? There Is No Implicit Conversion Between Int And Null why does this error keep popping out?
param.Value = isUsa ? No Implicit Conversion Between 'system.dbnull' And 'int' Should I report it? How can I claim compensation? http://stackoverflow.com/questions/218808/c-sharp-ado-net-nulls-and-dbnull-is-there-more-efficient-syntax tbLastName.Text : DBNull.Value; Why is this impossible, and any suggestion what else to try?
How can I open the next/previous file alphabetically? Convert Null To Dbnull C# Does Intel sell CPUs in ribbons? Why do some banks have more than one routing number in the US? Update: I don't really get why the ??
How can I claim compensation? http://stackoverflow.com/questions/33376838/type-of-conditional-expression-cannot-be-determined-because-there-is-no-implicit Does Intel sell CPUs in ribbons? Type Of Conditional Expression Cannot Be Determined Because There Is No Implicit Conversion Between There are two ways around this: int? No Implicit Conversion Between 'system.dbnull' And 'string' Do we know Ford's old name?
How to stop NPCs from picking up dropped items Does calling a function that mutates static local variables twice in the same expression lead to undefined behavior? weblink TIKZ: foreach not compatible with calc-library? I also cannot format currency somewhere else because I want one call to get the raw data and formatting to occur where is should. Not the answer you're looking for? Type Of Conditional Expression Cannot Be Determined Because Implicitly Convert To One Another
asked 3 years ago viewed 1980 times active 3 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Get the weekly newsletter! Otherwise, if an implicit conversion (§6.1) exists from Y to X, but not from X to Y, then X is the type of the conditional expression. share|improve this answer answered Oct 20 '08 at 15:38 Darren Kopp 43.3k95879 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google navigate here ilo.Description.Equals(string.Empty) ? (object)DBNull.Value : ilo.Description The issue is revealed in the error message you saw.
current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. Operator Cannot Be Applied To Operands Of Type System Datetime And System Dbnull more hot questions question feed lang-cs about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation How do unlimited vacation days work?
Otherwise, no expression type can be determined, and a compile-time error occurs. What is the most someone can lose the popular vote by but still win the electoral college? No implicit conversion between null and int6Linq and DBNull - Getting error5C# ?? Object Cannot Be Cast From Dbnull To Other Types. You could use int?
up vote 47 down vote favorite 8 I've got a DateTime? Browse other questions tagged c# ado.net null nullable dbnull or ask your own question. Previous examples of large scale protests after Presidential elections in US? his comment is here Your expression doesn't make a lot of sense though.
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 -1 down vote 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 'System.DBNull' up vote 17 down vote t2.Field