Error Goto Handler Classic Asp
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here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about classic asp on error resume next example hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges vbscript on error goto Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each on error goto 0 other. Join them; it only takes a minute: Sign up Is try-catch like error handling possible in ASP Classic? up vote 26 down vote favorite 9 What options are there in ASP Classic for error handling? For example: I'm asp on error using the Mail.SendMail function but when switching on the testing server it doesn't work, which is normal. I want to test if mailing is possible, if not then continue and/or show a message. Any ideas? error-handling asp-classic share|improve this question edited Nov 19 '11 at 2:52 casperOne 58k10126202 asked Jan 23 '09 at 11:08 Sander Versluys 23k186785 add a comment| 8 Answers 8 active oldest votes up vote 37 down vote accepted There are two approaches, you can
Asp On Error Goto 0
code in JScript or VBScript which do have the construct or you can fudge it in your code. Using JScript you'd use the following type of construct: In your ASP code you fudge it by using on error resume next at the point you'd have a try and checking err.Number at the point of a catch like: <% Dim i ' Turn on error Handling On Error Resume Next 'Code here that you want to catch errors from ' Error Handler If Err.Number <> 0 Then ' Error Occurred / Trap it On Error Goto 0 ' But don't let other errors hide! ' Code to cope with the error here End If On Error Goto 0 ' Reset error handling. %> share|improve this answer edited Oct 17 '12 at 11:42 Shadow Wizard 49k1385130 answered Jan 23 '09 at 11:19 Wolfwyrd 10.2k42861 2 +1. Javascript. If you need it, forget VBscript use javascript. –AnthonyWJones Jan 25 '09 at 23:24 add a comment| up vote 7 down vote A rather nice way to handle this for missing COM classes: Dim o:Set o = Nothing On Error Resume Next Set o = CreateObject("foo.bar") On Error Goto 0 If o Is Nothing Then Response.Write "Oups, foo.bar isn't installed on this server!" Else Response.Write "Foo bar found, yay." End If share|improve th
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Asp Error Number
about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges classic asp global error handling Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each classic asp throw exception other. Join them; it only takes a minute: Sign up using “on error resume next” in classic ASP, and how to handle errors up vote 6 down vote favorite Good day all, I would like to ask a thing http://stackoverflow.com/questions/472558/is-try-catch-like-error-handling-possible-in-asp-classic about on error resume next let's assume we have a loop to navigate through a recordset like: Do while not rs.EOF query = "UPDATE ...." conn.execute(query) rs.movenext loop i would like to be sure the UPDATE is going good, and i would like to check if there is some problems, so I have put a debugging features in the code like: Do while not rs.EOF query = "UPDATE ...." on error resume next conn.execute(query) If Err.Number <> http://stackoverflow.com/questions/17445890/using-on-error-resume-next-in-classic-asp-and-how-to-handle-errors 0 Then Response.write(Err.Number) response.write("
") response.write(Err.description) response.write("
") response.write(query) response.write("
") end if on error goto 0 rs.movenext loop the question is : during a loop, if it encounters an error, the next cycle will the error be there (and so triggers again the error block) ? or on error goto 0 will clear the Err object? in other words, will it works as a error handling? asp-classic vbscript error-handling share|improve this question edited Jul 3 '13 at 10:51 Alex K. 106k16147194 asked Jul 3 '13 at 10:43 Matteo Bononi 'peorthyr' 77151749 add a comment| 3 Answers 3 active oldest votes up vote 5 down vote accepted VBScript resets the error on goto 0: on error resume next i = 1 / 0 WScript.echo( err.number ) '' prints 11 (div by 0) on error goto 0 WScript.echo( err.number ) '' prints 0 (no error) There is also the explicit err.clear(). share|improve this answer answered Jul 3 '13 at 10:49 Alex K. 106k16147194 oh, nice to know the err.clear(), thanks ! :D –Matteo Bononi 'peorthyr' Jul 3 '13 at 10:53 add a comment| up vote 2 down vote The correct code to use is Err.Clear I have tested it with the following code <%on error resume next response.write (p(10)) Response.write(Err.Number) response.write("
") response.write(Err.description) response.write("
") Err.Clear Response.write(Err.Number) response.write("
") response.write(Err.description) response.write("
") %> And you can see the correct response is below, which shows the error being
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help? Post your question and get tips & solutions from a community of 418,513 IT Pros & Developers. It's quick & easy. script for on error goto errhandler P: 83 MATTXtwo is't asp supported for on error goto error handler? if so can anybody give me some hint for it... i need to make my page get to other link if detecting an error Nov 5 '08 #1 Post Reply Share this Question 3 Replies Expert 100+ P: 979 DrBunchman Hi MATTXtwo, The first thing to do is to put the following line at the top of your page: Expand|Select|Wrap|Line Numbers <% OnErrorResumeNext %> This tells the interpreter to ignore any errors and carry on processing the script. The next thing you need is a bit of code to trap any errors which occur: Expand|Select|Wrap|Line Numbers <% IfNotErr.Number=0Then Response.WriteErr.Description Error.Clear EndIf %> You can put whatever you like in this second bit of code to handle the error as required. Hope this helps and let me know how you get on, Dr B Nov 5 '08 #2 reply P: 83 MATTXtwo Expand|Select|Wrap|Line Numbers <% OnErrorResumeNext %> Expand|Select|Wrap|Line Numbers <% IfNotErr.Number=0Then Response.WriteErr.Description Error.Clear EndIf %> Thanks DrB ... Can I do like this.. ON ERROR code top of page iif statement bottom of page? and can this code catch all error on pages? Nov 5 '08 #3 reply Expert 100+ P: 979 DrBunchman Yes, that's how it should work. Give it a go and let me know what happens. You should be able to force your page to error quite easily so you can test it. Dr B Nov 5 '08 #4 reply Message Cancel Changes Post your reply Join Now >> Sign in to post your reply or Sign up for a free account. Similar topics Help with On Error GoTo filtering out "#Error" Class returns 440 - automation error Error handlers and Exception handlers Error trapping ignored on second pass (DAO recordset duplicates error 3022) Error on: DoCmd.RunCommand acCmdDeleteRecord InetTransferLib erro