Error 2 Use Of Unassigned Local Variable
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Use Of Unassigned Local Variable C#
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Use Of Unassigned Local Variable String
Why compile error “Use of unassigned local variable”? up vote 27 down vote favorite 5 My code is the following int tmpCnt; if (name == "Dude") tmpCnt++; Why is there an error Use of unassigned local variable tmpCnt? I know I didn't explicitly initialize it but due to Default Value Table a value type is initialized with 0 anyways. The reference also reminds use of unassigned local variable array me: Remember that using uninitialized variables in C# is not allowed. But why do I have to do it explicitly if it's already done by default? Wouldn't it gain performance if I wouldn't have to do it? Just wondering... c# .net compiler-construction share|improve this question asked Feb 10 '12 at 18:41 theknut 59521231 Can anyone help me with the headline? Couldn't find a fitting for this one :-S –theknut Feb 10 '12 at 18:44 I have a local struct, never initialized, compiles with no errors. Today I created a different struct, treated identically, got "uninitialized local variable error". All its members were set to a value before use, but I could not first set it to null, since it was 'just' a struct. The struct that compiled contained only ints, bools and strings. The one that gave the error also contained DateTimes. "MyStructType myStruct = new MyStructType();" killed the error. Not the first time I've been bitten by missing something a few levels down. –mickeyf Jun 2 at 19:14 add a comment| 9 Answers 9 active oldest votes up vote 55 down vote accep
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Use Of Unassigned Local Variable Struct
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hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss use of unassigned local variable list Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Use of unassigned local http://stackoverflow.com/questions/9233000/why-compile-error-use-of-unassigned-local-variable variable error #2 up vote 0 down vote favorite I've looked on google and other stackoverflow Use of unassigned local variable errors and I still cannot find the answer. I think that maybe my error is cause be misusing the scopes of ExtractionCtrl. I tried this code to test the scope and it works. So I don't know where is my mistake now. Testing the http://stackoverflow.com/questions/12571735/use-of-unassigned-local-variable-error-2 scope namespace RandomTesting { internal class Program { private static void Main(string[] args) { int x = 5; switch (x) { case 2: System.Console.WriteLine("Your # is 2"); break; case 5: System.Console.WriteLine("Your # is :{0}", x); x = x + 2; System.Console.WriteLine("Your # is :{0}", x); break; } System.Console.WriteLine("Your # is :{0}", x); Console.ReadLine(); } } } PART OF THE MAIN CODE switch (arg) { case "AR": ExtractionCtrl = new ARExtractionController(); // add new mapping here break; case "ICN": ExtractionCtrl = new IcnExtractionController(); // add new mapping here break; } int ticketID; if (int.TryParse(arg, out ticketID)) { string returnedFilePath = ExtractionController.GetStartupPath(); ExtractionCtrl.Extract(ticketID, returnedFilePath, AR_TEMPLATE_PATH, MAPPING_PATH); } c# .net variables scope share|improve this question edited Dec 12 '12 at 15:29 John Saunders 138k20175321 asked Sep 24 '12 at 19:39 Conrad C 428725 1 was the value of arg actually "AR" or "ICN"? Note the case sensitivity. –CaffGeek Sep 24 '12 at 19:41 1 Where are you getting the error? If it's because ExtractionCtrl isn't assigned, then please post the code for where it is defined and where you assign it a value –Servy Sep 24 '12 at 19:41 1 If the valu
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