[try-catch] Forum Topics

Are exceptions standardized in C++? I mean if the rules of exception handling might be changed in the future. i.e: int Funct1(int) throw(); // does it throw an exception?

Hi. Our homework is to use try...catch block in our calculator applet. I don't understand why the "catch" does not work. It will always go straight to the "finally". Here's the code: import java.applet.*; import java.awt.*; import java.awt.event.*; import java.awt.Label; import javax.swing.*; public class clsCalculator extends Applet implements ActionListener { …

I'm using VS 2012 and coding a try/catch block in an MS Access database project, but VS says OleDbException is not defined (see line 3 in the code). Anyone know why? I got some of this code from [here](http://social.msdn.microsoft.com/Forums/en-US/Vsexpressvb/thread/c822d48c-fd90-44a1-a186-a15e16966233/), and according to MSDN OleDbException is valid in vb.net Try data_adapter.Update(CType(binding_source.DataSource, …

Hey everyone! Happy New Year! I am trying to hone my programming skills by writing simple applications. I created a very simple currency converter program (hard-coded exchange rates....so nothing special). I first created it as a console app, and then in WPF. Anyway, I ran into an issue with the …

I am pretty new to programming in VB.Net, but I have been programming in other languages for a couple of decades now, including VB5/6 and C++. When I am using a **Try** - **Catch** block to handle exceptions, what is the point of a **Finally** section? Wouldn't it be just …

I am trying to catch error on file input/output. The try functions works fine but as it pass to the next line my code breaks. How can I exit gracefully when the 'infile' doesnt exist? [CODE] try: infile = open ('Book1.txt', "r") except IOError: print "input file %s is missing" …

Unable to cast object of type 'System.String' to type 'System.Windows.Forms.TextBox'.

hey people, i have the following problem, i'm setting up a webshop with over 2k items and every 6months the prices are changing(wines) so i was wondering how to import an xml file into a mysql database without having to go in phpmyadmin. this because i don't want the people …

I'm having trouble figuring out how to use exceptions to check if a file stream was created successfully. I know I can use if statements, but how do I do this using try/catch statements? It compiles successfully but it gives me an error when I supply a non-existent filename as …