Asp Jscript On Error Resume Next
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Javascript Ignore Error And Continue
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version of "On error resume next" If this is your first visit, be sure to check out the FAQ by javascript onerror clicking the link above. You may have to register before you javascript settimeout can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below. Results 1 to 2 of 2 Thread: Javascript version of "On error resume next" Tweet Thread Tools Show Printable http://www.w3schools.com/js/js_errors.asp Version Email this Page… Subscribe to this Thread… Display Linear Mode Switch to Hybrid Mode Switch to Threaded Mode 11-29-199908:26 AM #1 Scott Moore Guest Javascript version of "On error resume next" Hi,
I'm opening my db, which is working fine, but I need to code, in case the db is down or for some reason the http://www.aspmessageboard.com/showthread.php?7679-Javascript-version-of-On-error-resume-next user cannot connect to the db. I'm using JavaScript, instead of VBScript (inside ASP). Is there an equivalent to "On error resume next". I'll need to check if the open() failed. Here is my code
Session("objConn") = "";
Session("objRS") = "";
Session("objConn") = Server.CreateObject("ADODB.Connection");
Session("objConn").ConnectionString = "DSN=CCPR;uid=sa"
Session("objConn").Open();
if (Session("objConn").Errors.Count > 0)
{
// An error ocurred trying to connect to the database
Session("m_db_error") = "true"
}
Thanks,Scott Reply With Quote 11-29-199903:43 PM #2 Scott Mitchell View Profile View Forum Posts Senior Member Join Date Dec 1969 Posts 2,849 RE: Javascript version of You have to use the try / catch syntax for JScript error handling. Check out:
http://msdn.microsoft.com/scripting/default.htm?/scripting/jscript/doc/jsstmtrycatch.htm
This is Microsoft's documentation on the try / catch syntax.
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messages is called debugging. Thoroughly testing your scripts, and debugging them if necessary, insures that all users who visit your Web site will get the intended experience rather than an error message. Error messages are sent back as HTML with all or some the following information, depending upon the nature of the error: The scripting language in which the error occurred. The error number. A short description of the error. The name of the .asp file. The line number where the error occurred. The source code in which the error occurred. A long description of the error and a possible fix for the error. NoteUsing a text editor that displays line numbers will help you locate a line with an error in your .asp file. Use this information to modify .asp files so that errors can be resolved. Errors of a severe nature will be sent to the Windows NT log and the Internet Information Server (IIS) log, as well as to the client browser. All other errors will be sent to the IIS log and client browser. Error Handling with VBScript The On Error Resume Next Statement 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 %> NoteThe On Error Resume Next statement is a VBScript statement; it affects only scripts written in VBScript. Using this statement within an .asp file containing JScript will have no effect on JScript error debugging because JScript has no functional equivalent of resuming after an error. If you call a JScript function from VBScript and the JScript function causes an error, an error message is returned to the browser and processing of the .asp file stops at that point. Using the On Error Resume Next statement does not actually clear an error; to manually clear the error, you can use the Err.Clear metho