C Sharp Error Handling Class
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C# Error Handling Framework
Handling Exceptions and Exception Handling Inside a C# Program Arrays Classes and Structs Delegates Enumeration Types Events Exceptions and Exception Handling Using Exceptions Exception Handling Creating and Throwing Exceptions Compiler-Generated Exceptions How to: Handle an Exception Using try/catch How to: Execute Cleanup Code Using finally How to: Catch a non-CLS Exception c# error handling techniques File System and the Registry Generics Indexers Interfaces Interoperability LINQ Query Expressions Main() and Command-Line Arguments Namespaces Nullable Types Programming Concepts (C#) Statements, Expressions, and Operators Strings Types Unsafe Code and Pointers XML Documentation Comments TOC Collapse the table of content Expand the table of content This documentation is archived and is not being maintained. This documentation is archived and is not being maintained. Exceptions and Exception Handling (C# Programming Guide) Visual Studio 2015 Other Versions Visual Studio 2013 Visual Studio 2012 Visual Studio 2010 Visual Studio 2008 Visual Studio 2005 The C# language's exception handling features help you deal with any unexpected or exceptional situations that occur when a program is running. Exception handling uses the try, catch, and finally keywords to try actions that may not succeed, to handle failures when you decide that it is reasonable to do so, and to clean up resources afterward. Excepti
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Error Handling In C# Best Practices
has been removed. You’ll be auto redirected in 1 second. C# C# Programming Guide error handling c# mvc Exceptions and Exception Handling Exceptions and Exception Handling Exception Handling Exception Handling Exception Handling Using Exceptions Exception Handling Creating and Throwing Exceptions c sharp try catch Compiler-Generated Exceptions How to: Handle an Exception Using try/catch How to: Execute Cleanup Code Using finally How to: Catch a non-CLS Exception TOC Collapse the table of content Expand the table of content This documentation is https://msdn.microsoft.com/en-us/library/ms173160.aspx archived and is not being maintained. This documentation is archived and is not being maintained. Exception Handling (C# Programming Guide) Visual Studio 2015 Other Versions Visual Studio 2013 Visual Studio 2012 Visual Studio 2010 Visual Studio 2008 Visual Studio 2005 A try block is used by C# programmers to partition code that might be affected by an exception. Associated catch blocks are used to handle any resulting exceptions. A finally block contains code https://msdn.microsoft.com/en-us/library/ms173162.aspx that is run regardless of whether or not an exception is thrown in the try block, such as releasing resources that are allocated in the try block. A try block requires one or more associated catch blocks, or a finally block, or both.The following examples show a try-catch statement, a try-finally statement, and a try-catch-finally statement. C# Copy try { // Code to try goes here. } catch (SomeSpecificException ex) { // Code to handle the exception goes here. // Only catch exceptions that you know how to handle. // Never catch base class System.Exception without // rethrowing it at the end of the catch block. } C# Copy try { // Code to try goes here. } finally { // Code to execute after the try block goes here. } C# Copy try { // Code to try goes here. } catch (SomeSpecificException ex) { // Code to handle the exception goes here. } finally { // Code to execute after the try (and possibly catch) blocks // goes here. } A try block without a catch or finally block causes a compiler error.Catch BlocksA catch block can specify the type of exception to catch. The type specification is called an exception filter. The exception type should be derived from Exception. In general, do not
- Basic Syntax C# - Data Types C# - Type Conversion C# - Variables C# - Constants C# - Operators C# - Decision Making C# - Loops C# - Encapsulation C# - Methods C# - Nullables C# - Arrays C# - Strings C# - Structure C# - Enums http://www.tutorialspoint.com/csharp/csharp_exception_handling.htm C# - Classes C# - Inheritance C# - Polymorphism C# - Operator Overloading C# - Interfaces C# - Namespaces C# - Preprocessor Directives C# - Regular Expressions C# - Exception Handling C# - File I/O C# Advanced Tutorial C# - Attributes C# - Reflection C# - Properties C# - Indexers C# - Delegates C# - Events C# - Collections C# - Generics C# - Anonymous Methods C# - Unsafe Codes C# - Multithreading C# Useful Resources C# - Questions and Answers C# - Quick error handling Guide C# - Useful Resources C# - Discussion Selected Reading Developer's Best Practices Questions and Answers Effective Resume Writing HR Interview Questions Computer Glossary Who is Who C# - Exception Handling Advertisements Previous Page Next Page An exception is a problem that arises during the execution of a program. A C# exception is a response to an exceptional circumstance that arises while a program is running, such as an attempt to divide by zero. Exceptions provide a way to transfer control from one part c# error handling of a program to another. C# exception handling is built upon four keywords: try, catch, finally, and throw. try: A try block identifies a block of code for which particular exceptions is activated. It is followed by one or more catch blocks. catch: A program catches an exception with an exception handler at the place in a program where you want to handle the problem. The catch keyword indicates the catching of an exception. finally: The finally block is used to execute a given set of statements, whether an exception is thrown or not thrown. For example, if you open a file, it must be closed whether an exception is raised or not. throw: A program throws an exception when a problem shows up. This is done using a throw keyword. Syntax Assuming a block raises an exception, a method catches an exception using a combination of the try and catch keywords. A try/catch block is placed around the code that might generate an exception. Code within a try/catch block is referred to as protected code, and the syntax for using try/catch looks like the following: try { // statements causing exception } catch( ExceptionName e1 ) { // error handling code } catch( ExceptionName e2 ) { // error handling code } catch( ExceptionName eN ) { // error handling code } finally { // statements to be executed } You can list down multiple catch statements to catch different type of exceptions in case your try block raises more than