String to hexadecimal Representation

Using system; using system. collections. generic; using system. LINQ; using system. text; namespace _ 16 _ hexadecimal conversion {class program {static void main (string [] ARGs) {string input = "Hello worlda"; char [] values = input. tochararray (); // convert character to char array // array loop foreach (char letter in values) {int v = convert. toint32 (letter); // convert each Char to a corresponding number // convert it to a decimal number // string. format: Apply the first format to the second format. // This Is The hexadecimal conversion string hexoutput = string. format ("{0: x}", V); console. writeline ("converted {0 }={ 1}", letter, hexoutput);} console. writeline (); console. readkey () ;}}/ * 1. convert string to char array 2. convert a decimal number to a hexadecimal number. */