C# function String.IsNullOrEmpty()

If it is necessary to check string variable on null and "" (empty), then

function String.IsNullOrEmpty can be used:

c0de with operator 'if'

string getName(string name)

{
   if (name == null || name == "")
       return "default";
   else
       return name;
}

code with function Sgtring.IsNullOrEmpty()

string getName_with_function_IsNullOrEmpty(string name)
{
   if (String.IsNullOrEmpty(name))
       return "default";
   else
       return name;
}

Sample can be download:

http://code.google.com/p/csharp-tips/source/browse/trunk/string_functions/Program.cs

Additional Links:
String..::.IsNullOrEmpty Method