Methods

• static String Format()
  Replaces each format item in a specified String with the text equivalent of a corresponding object's value.

  Parameters

  • format - A composite format string (example: 'My name is {0}. My favorite color is {1}.')
  • args - An Object array containing zero or more objects to format.

  Return Values

  A copy of format in which the format items have been replaced by the String equivalent of the corresponding instances of object in args.
• static Boolean IsNullOrEmpty(<String> value)
  Indicates whether the specified string is a null reference or an empty string.

  Parameters

  • value - A string.

  Return Values

  True if the value parameter is a null reference or an empty string (""); otherwise, false.
• static String Join(<String> separator, <String> value)
  Concatenates a specified separator String between each element of a specified String array, yielding a single concatenated string. For example if separator is ", " and the elements of value are "apple", "orange", "grape", and "pear", Join(separator, value) returns "apple, orange, grape, pear".

  Parameters

  • separator - A String. If separator is null, the empty string is used instead.
  • value - An array of String.

  Return Values

  A String consisting of the elements of value interspersed with the separator string.