C# String IsNullOrEmpty() method

by Online Tutorials Library July 22, 2022

C# String IsNullOrEmpty()

The C# IsNullOrEmpty() method is used to check whether the specified string is null or an Empty string. It returns a boolean value either true or false.

Signature

Parameter

str: it is a string parameter which is used to check string.

Return

It returns boolean value.

C# String IsNullOrEmpty() Method Example

     using System;      public class StringExample       {           public static void Main(string[] args)           {              string s1 = “Hello C#”;            string s2 = “”;            bool b1 = string.IsNullOrEmpty(s1);            bool b2 = string.IsNullOrEmpty(s2);            Console.WriteLine(b1);            Console.WriteLine(b2);          }       }   

Output:

False True

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C# String IsNullOrEmpty() method

C# String IsNullOrEmpty()

Signature

Parameter

Return

C# String IsNullOrEmpty() Method Example

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