How to convert a decimal string to a hexadecimal string in C #

// Convert decimal to binary
Console. writeline ("binary representation of decimal 166:" + convert. tostring (166, 2 ));
// Convert decimal to octal
Console. writeline ("octal representation of decimal 166:" + convert. tostring (166, 8 ));
// Convert decimal to hexadecimal
Console. writeline ("hexadecimal representation of decimal 166:" + convert. tostring (166, 16 ));

// Convert binary to decimal
Console. writeline ("decimal representation of binary 111101:" + convert. toint32 ("111101", 2 ));
// Octal to decimal
Console. writeline ("octal 44 in decimal format:" + convert. toint32 ("44", 8 ));
// Convert hexadecimal to decimal
Console. writeline ("hexadecimal CC in decimal format:" + convert. toint32 ("cc", 16 ));