Asp Vba Error Handling
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Vba Error Handling Exit Sub
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Vba Error Handling In Do While Loop
Join them; it only takes a minute: Sign up VBScript — Using error handling up vote 58 down vote favorite 13 I want to use VBScript to catch errors and log them (ie on error "log something") then http://www.codeguru.com/csharp/.net/net_general/debugginganderrorhandling/article.php/c19557/ASP-and-the-Error-Handler.htm resume the next line of the script. For example, On Error Resume Next 'Do Step 1 'Do Step 2 'Do Step 3 When an error occurs on step 1, I want it to log that error (or perform other custom functions with it) then resume at step 2. Is this possible? and how can I implement it? EDIT: Can I do something like this? On Error Resume myErrCatch 'Do step 1 'Do step 2 'Do step 3 myErrCatch: http://stackoverflow.com/questions/157747/vbscript-using-error-handling 'log error Resume Next vbscript error-handling share|improve this question edited Oct 1 '08 at 14:13 asked Oct 1 '08 at 14:04 apandit 2,50111831 1 Dylan's response is about as good as VB gets in the Error handling department. This is why I always used Javascript when I could get away with it. –wcm Oct 1 '08 at 14:23 add a comment| 2 Answers 2 active oldest votes up vote 102 down vote accepted VBScript has no notion of throwing or catching exceptions, but the runtime provides a global Err object that contains the reuslts of the last operation performed. You have to explicitly check whether the Err.Number property is non-zero after each operation. On Error Resume Next DoStep1 If Err.Number <> 0 Then WScript.Echo "Error in DoStep1: " & Err.Description Err.Clear End If DoStep2 If Err.Number <> 0 Then WScript.Echo "Error in DoStop2:" & Err.Description Err.Clear End If 'If you no longer want to continue following an error after that block's completed, 'call this. On Error Goto 0 The "On Error Goto [label]" syntax is supported by Visual Basic and Visual Basic for Applications (VBA), but VBScript doesn't support this language feature so you have to use On Error Resume Next as described above. share|improve this answer edited Oct 1 '08 at 14:36 answered Oct 1 '08 at 14:11 Dylan Beattie 33.2k2095154 9 :( ... Too bad I guess... –apandi
Forums Links DISCUSSIONARCHIVES DISCUSSIONARCHIVES2 DISCUSSIONARCHIVES3 BLOG We didn't realize the site was so http://www.powerasp.net/content/new/on-error-resume-next.asp popular. Other Stuff How To Use On Error Resume http://www.fmsinc.com/tpapers/vbacode/Debug.asp Next Often when using ASP or Active Server Pages with VBScript you will find it necessary to check for errors when you do certain things that may fail and then handle it accordingly. Things like opening a database connection or writing to a text file come error handling to mind. Generally if an error is encountered in your .asp file, the processing of your script stops and an error message is returned to the browser. If you want to continue processing your page even if an error is encountered, include the following line at the beginning of your .asp file: <% On Error Resume Next %> vba error handling That being said just ignoring errors in your code is not a very good idea. What you really want to do is handle the error in some way. The example below opens a database connection and shows you how to trap a potential error and do whatever you want because of it. In this case we are simply displaying the error. <% ConnectionString = "DBQ=c:\inetpub\wwwroot\mysite\data\mydatabase.mdb;Driver={Microsoft Access Driver (*.mdb)};" '*** This code checks the ConnectionString info you entered and reports back the error code if it is not ok Err.Clear On Error Resume Next Set ConnPasswords = Server.CreateObject("ADODB.Connection") ConnPasswords.Open ConnectionString If Err.Number <> 0 Then Response.Write (Err.Description& "
") Response.Write("This means there is most likely a problem with the" & vbCrLf) Response.Write("""ConnectionString"" info that you specified.
" & vbCrLf) Response.End End If On Error GoTo 0 %> We put the "On Error GoTo 0 at the end because that will essentially end the "on error resume next" That is something you want to do so
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