C# UInt16 TryParse(String, NumberStyles, IFormatProvider, UInt16)

Description

UInt16 TryParse(String, NumberStyles, IFormatProvider, UInt16)tries to convert the string representation of a number in a specified style and culture-specific format to its 16-bit unsigned integer equivalent. A return value indicates whether the conversion succeeded or failed.

Syntax

UInt16.TryParse(String, NumberStyles, IFormatProvider, UInt16) has the following syntax.


[CLSCompliantAttribute(false)]/*from   www  . j a va  2s  .c o  m*/
public static bool TryParse(
  string s,
  NumberStyles style,
  IFormatProvider provider,
  out ushort result
)

Returns

UInt16.TryParse(String, NumberStyles, IFormatProvider, UInt16) method returns true if s was converted successfully; otherwise, false.

Example

The following example calls the TryParse(String, NumberStyles, IFormatProvider, UInt16) method with a number of different strings and NumberStyles values.


using System;//from ww w . j av  a2 s  . co  m
using System.Globalization;

public class Example
{
   public static void Main()
   {
      string numericString;
      NumberStyles styles;

      numericString = "10603";
      styles = NumberStyles.Integer;
      CallTryParse(numericString, styles);

      numericString = "-10603";
      CallTryParse(numericString, styles);

      numericString = "123.00";
      styles = NumberStyles.Integer | NumberStyles.AllowDecimalPoint;
      CallTryParse(numericString, styles);

      numericString = "123.72";
      styles = NumberStyles.Integer | NumberStyles.AllowDecimalPoint;
      CallTryParse(numericString, styles);

      numericString = "2123E-01";
      styles = NumberStyles.Integer | NumberStyles.AllowExponent;
      CallTryParse(numericString, styles); 

      numericString = "123E-01";
      CallTryParse(numericString, styles);

      numericString = "123E01";
      CallTryParse(numericString, styles); 

      numericString = "FFC8";
      CallTryParse(numericString, NumberStyles.HexNumber);

      numericString = "0x8F8C";
      CallTryParse(numericString, NumberStyles.HexNumber);
   }

   private static void CallTryParse(string stringToConvert, NumberStyles styles)
   {
      ushort number;
      bool result = UInt16.TryParse(stringToConvert, styles, 
                                   CultureInfo.InvariantCulture, out number);
      if (result)
         Console.WriteLine("Converted '{0}' to {1}.", stringToConvert, number);
      else
         Console.WriteLine("Attempted conversion of '{0}' failed.", 
                           Convert.ToString(stringToConvert));
   }
}

The code above generates the following result.