encodePass

public static string EncodePassword(string pass, string salt) //encrypt password
        {
            byte[] bytes = Encoding.Unicode.GetBytes(pass);
            byte[] src = Encoding.Unicode.GetBytes(salt);
            byte[] dst = new byte[src.Length + bytes.Length];
            Buffer.BlockCopy(src, 0, dst, 0, src.Length);
            Buffer.BlockCopy(bytes, 0, dst, src.Length, bytes.Length);
            HashAlgorithm algorithm = HashAlgorithm.Create("SHA1");
            byte[] inArray = algorithm.ComputeHash(dst);
            //return Convert.ToBase64String(inArray);
            return EncodePasswordMd5(Convert.ToBase64String(inArray));
        }