Error 3 Not All Code Paths Return A Value
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Error 1 Not All Code Paths Return A Value
developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the not all code paths return a value javascript 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 c# returning error “not all code
Not All Code Paths Return A Value C# Mvc
paths return a value” up vote 17 down vote favorite 6 I'm trying to write code that returns whether or not a given integer is or is not divisible evenly by 1 to 20, but i keep receiving "error CS0161: 'ProblemFive.isTwenty(int)': not all code paths return a value" Please help. Here is my code: public static bool isTwenty(int num) { for(int j = 1; j <= not all code paths return a value in lambda expression 20; j++) { if(num % j != 0) { return false; } else if(num % j == 0 && num == 20) { return true; } } } c# share|improve this question asked Jan 17 '14 at 20:47 user115185 89114 migrated from programmers.stackexchange.com Jan 17 '14 at 22:48 This question came from our site for professional programmers interested in conceptual questions about software development. 5 Your code doesn't make sense but the error message is quite clear. You need to return a value even if both your if conditions are false for 20 iterations. –ChaosPandion Jan 17 '14 at 20:52 4 You're thinking like a human, not a compiler. The compiler doesn't know what you are thinking, or how the logic is supposed to flow (past optimization). What happens if a value doesnt match either 'if'? –GrandmasterB Jan 17 '14 at 21:08 add a comment| 6 Answers 6 active oldest votes up vote 34 down vote You're missing a return statement. When the compiler looks at your code, it's sees a third path (the else you didn't code for) that could occur but doesn't return a value. Hence not all code paths return
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more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question not all code paths return a value switch x Dismiss 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 Getting http://stackoverflow.com/questions/21197410/c-sharp-returning-error-not-all-code-paths-return-a-value Error: Not all code paths return a value up vote 2 down vote favorite I am new to mvc C# and am stuck. Please advise on how to fix this. I'm getting the error on Add. When I hover over the red squiggly line it says "Not all code paths return a value" public ActionResult Add(ShapeInputModel dto, FormCollection collection) { var model = http://stackoverflow.com/questions/10731097/getting-error-not-all-code-paths-return-a-value new GeoRegions(); if (TryUpdateModel(model)) { var destinationFolder = Server.MapPath("/App_Data/KML"); var postedFile = dto.Shape; if (postedFile != null) { var fileName = Path.GetFileName(postedFile.FileName); var path = Path.Combine(destinationFolder, fileName); postedFile.SaveAs(path); //Save to Database Db.AddGeoRegions(model); return RedirectToAction("Index"); } return View(); } } c# share|improve this question edited May 24 '12 at 4:21 Icarus 45.6k85385 asked May 24 '12 at 4:20 user1382770 92129 add a comment| 10 Answers 10 active oldest votes up vote 3 down vote accepted Use This : public ActionResult Add(ShapeInputModel dto, FormCollection collection) { var model = new GeoRegions(); if (TryUpdateModel(model)) { var destinationFolder = Server.MapPath("/App_Data/KML"); var postedFile = dto.Shape; if (postedFile != null) { var fileName = Path.GetFileName(postedFile.FileName); var path = Path.Combine(destinationFolder, fileName); postedFile.SaveAs(path); //Save to Database Db.AddGeoRegions(model); return RedirectToAction("Index"); } return View(); } return null; // you can change the null to anything else also. } The error happens because your functions doesn't return anything if TryUpdateModel(model) = false. So adding the line return null or return 'any other thing' will solve the problem! share|improve this answer answered May 24 '12 at 4:36 Writwick 1,33921341 Thank you to everyone for your answers. I have
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