On Error Resume Next
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resources Windows Server 2012 resources Programs MSDN subscriptions Overview Benefits Administrators Students Microsoft Imagine Microsoft Student Partners ISV Startups TechRewards Events Community Magazine Forums Blogs Channel 9 Documentation APIs and reference Dev on error resume next vbscript centers Samples Retired content We’re sorry. The content you requested has been on error goto line removed. You’ll be auto redirected in 1 second. Visual Basic Language Reference Statements F-P Statements F-P Statements On Error
On Error Resume Next In Qtp
Statement On Error Statement On Error Statement For Each...Next Statement For...Next Statement Function Statement Get Statement GoTo Statement If...Then...Else Statement Implements Statement Imports Statement (.NET Namespace and Type) Imports Statement (XML Namespace)
On Error Goto 0
Inherits Statement Interface Statement Mid Statement Module Statement Namespace Statement On Error Statement Operator Statement Option
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On Error Resume Next Not Working
posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss on error exit sub Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only on error goto 0 vba takes a minute: Sign up What is the best alternative “On Error Resume Next” for C#? up vote 12 down vote favorite 2 If I put empty catch blocks for my C# code, is it going to be an equivalent https://msdn.microsoft.com/en-us/library/5hsw66as.aspx for VB.NET's "On Error Resume Next" statement. try { C# code; } catch(exception) { } The reason I am asking this is because I have to convert a VB.NET code to C#, and the old code has ~200 "On Error Resume Next" statements although I am using a proper try {} catch {} in my new code, but is there is a better alternative? c# vb.net error-handling vb.net-to-c# share|improve this question edited Oct 25 '12 at 16:11 Peter Mortensen 10.3k1369107 asked http://stackoverflow.com/questions/4825422/what-is-the-best-alternative-on-error-resume-next-for-c Jan 28 '11 at 6:15 Neel 67621026 12 The lack of an alternative to On Error Resume Next wasn't just an unintentional oversight... Why do you possibly need this? If you explain the motivation behind your thoughts of doing this, I'm sure that someone here could give you a better solution. –Cody Gray Jan 28 '11 at 6:17 @Cody Gray - updated the reason of asking. Thanks –Neel Jan 28 '11 at 6:31 2 @MarkJ: Because even if (s)he leaves the code as VB.NET, it's still a good idea to replace On Error Goto Next with more structured exception handling (or none at all). –Cody Gray Jan 29 '11 at 2:04 4 @Cody It is an improvement to replace the error handling, but you have to assess how long it will take (how much it will cost) and whether the code needs substantial modifications. If the code works & doesn't need changing, there may be better things to do with the time instead. –MarkJ Jan 29 '11 at 14:21 1 @MarkJ: Fair enough. I don't disagree with you, I was just providing what I felt was a convincing argument for the other side. This is one of those design decisions you have to make. Do I stick with sloppy code that happens to work, or do I take the time to improve it for long-term benefits. I was assuming the reason the conversion was bein
îøèáîê, íà÷àëî êîòîðîé îïðåäåëÿåòñÿ îáÿçàòåëüíûì àðãóìåíòîì ñòðîêà, çíà÷åíèåì êîòîðîãî ìîæåò áûòü ëþáàÿ ìåòêà ñòðîêè èëè íîìåð ñòðîêè. Åñëè âîçâðàùàåòñÿ îøèáêà âûïîëíåíèÿ, óïðàâëåíèå ïåðåäàåòñÿ íà óêàçàííóþ ñòðîêó è çàïóñêàåòñÿ http://www.firststeps.ru/vba/vbahelp/r.php?38 îáðàáîò÷èê îøèáîê. Àðãóìåíò ñòðîêà äîëæåí îïðåäåëÿòü ñòðîêó â òîé æå ïðîöåäóðå, â êîòîðîé íàõîäèòñÿ èíñòðóêöèÿ On Error; â ïðîòèâíîì ñëó÷àå âîçíèêàåò îøèáêà êîìïèëÿöèè. On Error Resume Next - Óêàçûâàåò, ÷òî âîçíèêíîâåíèå îøèáêè âûïîëíåíèÿ ïðèâîäèò ê ïåðåäà÷å óïðàâëåíèÿ íà èíñòðóêöèþ, íåïîñðåäñòâåííî ñëåäóþùóþ çà èíñòðóêöèåé, ïðè âûïîëíåíèè êîòîðîé âîçíèêëà îøèáêà. Ðåêîìåíäóåòñÿ ïðè äîñòóïå ê îáúåêòàì èñïîëüçîâàòü ýòó ôîðìó èíñòðóêöèè, à íå on error On Error GoTo. On Error GoTo 0 - Îòêëþ÷àåò ëþáîé àêòèâèçèðîâàííûé îáðàáîò÷èê îøèáîê â òåêóùåé ïðîöåäóðå. Çàìå÷àíèÿ Åñëè íå âûïîëíåíà èíñòðóêöèÿ On Error, òî ëþáàÿ îøèáêà âûïîëíåíèÿ ÿâëÿåòñÿ ôàòàëüíîé; ýòî îçíà÷àåò, ÷òî âûâîäèòñÿ ñîîáùåíèå îá îøèáêå è âûïîëíåíèå ïðîãðàììû ïðåêðàùàåòñÿ. "Âêëþ÷åííûì" îáðàáîò÷èêîì îøèáîê íàçûâàþò ïîäïðîãðàììó, êîòîðàÿ óêàçàíà â èíñòðóêöèè On Error; "àêòèâíûì" îáðàáîò÷èêîì îøèáîê ÿâëÿåòñÿ âêëþ÷åííûé îáðàáîò÷èê îøèáîê, on error resume êîòîðûé îáðàáàòûâàåò òåêóùóþ îøèáêó. Åñëè îøèáêà âîçíèêàåò â ñàìîì îáðàáîò÷èêå îøèáîê (â ïðîìåæóòêå ìåæäó âîçíèêíîâåíèåì îøèáêè è âûïîëíåíèåì èíñòðóêöèè Resume, Exit Sub, Exit Function èëè Exit Property), òî îáðàáîò÷èê îøèáîê, îïðåäåëåííûé â òåêóùåé ïðîöåäóðå, íå ìîæåò îáðàáîòàòü îøèáêó. Óïðàâëåíèå â ýòîì ñëó÷àå âîçâðàùàåòñÿ â âûçûâàþùóþ ïðîöåäóðó; åñëè â âûçûâàþùåé ïðîöåäóðå âêëþ÷åí îáðàáîò÷èê îøèáîê, òî îáðàáîòêà îøèáêè ïåðåäàåòñÿ åìó. Åñëè ýòîò îáðàáîò÷èê îøèáîê ÿâëÿåòñÿ â äàííûé ìîìåíò àêòèâíûì, ò.å. óæå îáðàáàòûâàåò îøèáêó, òî óïðàâëåíèå ñíîâà ïåðåäàåòñÿ íàçàä â âûçûâàþùóþ ïðîöåäóðó è ò.ä. äî òåõ ïîð, ïîêà íå áóäåò íàéäåí âêëþ÷åííûé, íî íå àêòèâíûé îáðàáîò÷èê îøèáîê. Åñëè âêëþ÷åííûé, íî íåàêòèâíûé îáðàáîò÷èê îøèáîê íàéäåí íå áóäåò, îøèáêà ñòàíîâèòñÿ ôàòàëüíîé â òîì ìåñòå ïðîãðàììû, â êîòîðîì îíà âïåðâûå âîçíèêëà. Ïðè êàæäîé ïåðåäà÷å óïðàâëåíèÿ îáðàáîò÷èêîì îøèáîê â âûçûâàþùóþ ïðîöåäóðó ýòà ïðîöåäóðà ñòàíîâèòñÿ òåêóùåé. Ïîñëå çàâåðøåíèÿ îáðàáîòêè îøèáêè îáðàáîò÷èêîì â ëþáîé ïðîöåäóðå âîçîáíîâëÿåòñÿ âûïîëíåíèå òåêóùåé ïðîöåäóðû ñ òîé åå ÷àñòè, êîòîðàÿ óêàçàíà â èíñòðóêöèè Resume. Ïîäïðîãðàììà îáðàáîòêè îøèáîê íå ìîæåò áûòü ïðîöåäóðîé Sub èëè Function. Ýòà ïîäïðîãðàììà äîëæíà áûòü ÷àñòüþ ïðîãðàììû, êîòîðàÿ îòìå÷àåòñÿ ñ ïîìîùüþ ìåòêè ñòðîêè èëè íîìåðà ñòðîê