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C# Int32.TryParse Method

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  1. using System;
  2.  
  3. public class StringParsing
  4. {
  5.    public static void Main()
  6.    {
  7.       TryToParse(null);
  8.       TryToParse("160519");
  9.       TryToParse("9432.0");
  10.       TryToParse("16,667");
  11.       TryToParse("   -322   ");
  12.       TryToParse("+4302");
  13.       TryToParse("(100);");
  14.       TryToParse("01FA");
  15.    }
  16.  
  17.    private static void TryToParse(string value)
  18.    {
  19.       int number;
  20.       bool result = Int32.TryParse(value, out number);
  21.       if (result)
  22.       {
  23.          Console.WriteLine("Converted '{0}' to {1}.", value, number);         
  24.       }
  25.       else
  26.       {
  27.          if (value == null) value = ""; 
  28.          Console.WriteLine("Attempted conversion of '{0}' failed.", value);
  29.       }
  30.    }
  31. }
  32. // The example displays the following output to the console:
  33. //       Attempted conversion of '' failed.
  34. //       Converted '160519' to 160519.
  35. //       Attempted conversion of '9432.0' failed.
  36. //       Attempted conversion of '16,667' failed.
  37. //       Converted '   -322   ' to -322.
  38. //       Converted '+4302' to 4302.
  39. //       Attempted conversion of '(100);' failed.
  40. //       Attempted conversion of '01FA' failed.

URL: http://msdn.microsoft.com/en-us/library/f02979c7.aspx

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