append in c# string code example

Example 1: how to append something to a string in c#

string fName = "hello ";    
string lName = "world";    
string Name = string.Concat(fName, lName); 
//or
string firstName = "hello ";    
string lastName = "world";    
string name = firstName + " " + lastName;

Example 2: c# append in strigbuilder

StringBuilder sb = new StringBuilder();
sb.Append("Hello ");
sb.AppendLine("World!");
sb.AppendLine("Hello C#");
Console.WriteLine(sb);