Use the NullReferenceException. : Predefined Exception : Language Basics C# Examples

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Use the NullReferenceException.








    
using  System;    
    
class  MainClass  {      
    public  static  void  Main()  {      

        try  {  
            string  str  =  null;
            Console.WriteLine(str.ToString());
            
        }  catch  (NullReferenceException)  {  
            Console.WriteLine("NullReferenceException!");  
            Console.WriteLine("fixing...\n");  
  
        }  
  
    }    
}