C# SystemException - C# Exception Handling
C# SystemException - C# Exception Handling
- In C#, System Exception is a predefined exception class and it is used to handle system related exceptions.
- It has various child classes like: Validation Exception, Arithmetic Exception, Data Exception, Argument Exception, Stack Overflow Exception, etc.
- It works as base class for system exception namespace and it consists of rich constructors, properties and methods.
Syntax
[SerializableAttribute] [ComVisibleAttribute(true)] public class SystemException : Exception
System Exception Constructor
- System exception () is used to initialize a new instance of the System exception class.
- Serialization info and Streaming context is used to initialize a new instance System exception class with serialization data.
- String is used to initialize a new instance System exception class with a specified error message.
- String and Exception is used to initialize a new instance System exception class with a specified error message a reference to the inner exception that is the cause of this exception.
System Exception Properties
- Data is used to get a collection of key/value pairs that provide additional user-defined information about the exception.
- Help link is used to get or set a link to the help file associated with this exception.
- HResult is used to get or set HRESULT, a coded numerical value that is assigned to a specific exception.
- Inner Exception is used to get the exception instance that caused the current exception.
- Message is used to get a message that describes the current exception.
- Source is used to get or set the name of the application that causes the error.
- Stack Trace is used to get a string representation of the immediate frames on the call stack.
- Target site is used to get the method that throws the current exception.
System Exception Methods
- Equal method is used to check that the specified object is equal to the current object or not.
- Finalize method is used to free resources and perform cleanup operations.
- Get base Exception method is used to get root exception.
- Get hash code is used to get hash code.
- Get type is used to get the runtime type of the current instance.
- Member wise clone is used to create a shallow copy of the current Object.
- To string is used to create and return a string representation of the current exception.
Sample Code
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Csharp_Program
{
class Program
{
static void Main(string[] args)
{
try
{
int[] arr = new int[5];
arr[10] = 25;
}
catch (SystemException e)
{
Console.WriteLine(e);
Console.ReadLine();
}
}
}
}
Output
