Question

How to convert hex string to an integer in C#

Answer 1

using System;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                string hex = "0003FE0A";
                int n = int.Parse(hex, System.Globalization.NumberStyles.HexNumber);
                Console.WriteLine(n);
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }
    }
}

/*
run:
 
261642

*/

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Answer 2

using System;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                string hex = "0003FE0A";
                int n = Convert.ToInt32(hex, 16);
                Console.WriteLine(n);
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }
    }
}

/*
run:
 
261642

*/

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Answer 3

using System;
using System.Globalization;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                string hex = "0003FE0A";
                int n = int.Parse(hex, NumberStyles.HexNumber);
                Console.WriteLine(n);
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }
    }
}

/*
run:
 
261642

*/

70+ SQL courses for beginners and professionals