using System;

using System.Globalization;

​

public class Program

{

    public static void Main()

    {

        var int1 = Int16.Parse("100");

        var int2 = Int16.Parse("(100)", NumberStyles.AllowParentheses);

        var int3 = int.Parse("30,000", NumberStyles.AllowThousands, new CultureInfo("en-au"));

        var int4 = int.Parse("$10000", NumberStyles.AllowCurrencySymbol); // use your local currency symbol e.g. $, Rs. etc

        var int5 = int.Parse("-100", NumberStyles.AllowLeadingSign);

        var int6 = int.Parse("   100  ", NumberStyles.AllowLeadingWhite | NumberStyles.AllowTrailingWhite);

        var int7 = Int64.Parse("2147483649");

​

        Console.WriteLine("String to int using int.Parse()");

        Console.WriteLine("--------------------------------");

        Console.WriteLine(@"""100"" -> "+ int1);   

        Console.WriteLine(@"""(100)"" -> " + int2);

        Console.WriteLine(@"""30,000"" -> "+ int3);

        Console.WriteLine(@"""$10000"" -> "+ int4);

        Console.WriteLine(@"""-100"" -> "+ int5);

        Console.WriteLine(@"""   100  "" -> "+ int6);

        Console.WriteLine(@"""2147483649"" -> "+ int7);

​

        // the following will throw an exception; uncomment and try it

        //int int8 = int.Parse(null);//thows FormatException

        //int int9 = int.Parse("100a"); //throws formatexception

        //int int10 = int.Parse(2147483649);//throws overflow exception

​

    }

}