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Check for An Empty String

/ Published in: C#
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  1. /==============================
  2. Check for empty string 
  3.  string s = "hello";
  4.  
  5.   // Test if a string is neither null nor empty. This has to be a static
  6.   // memeber of the String class because the object may be null!
  7.   if ( !String.IsNullOrEmpty( s ) ) ...
  8.  
  9.   // Test if a string is empty.
  10.   if ( s.Length != 0 ) ...
  11.  
  12.   // Test if a string is empty. (another way, more explicit way to do it)
  13.   if ( s != String.Empty ) ...

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