Error Handling using C#

Try, Catch and Finally

 

Build error – the compiler tells you what line contains a build error and provides useful information

Runtime error – this type can crash your application if not properly handled.

 

Visual C# supports structured exception handling

 

Block Types for error handling

Try – block where the error can occurs

Catch – block where you handle the exception

Finally – block that will be execute after try or catch block will be complete.

 

Try forms:

-          try + one or more catch

-          try + finally – if you omit the catch session, the error will be ignored (= “On error resume next”?)

-          try + one or more catch + finally.

 

 

Exception object - represents errors that occur during application execution.

 

System.Diagnostics – this namespace provides classes that allow you to interact with system processes, event logs and performance counters. Event log, Process and Performance counter are classes from it.

It also provides classes that allow you to debug your application and trace the execution of your code. See Trace and Debug Classes.