Find record in the list

Defining the find(student[] st, int itemcount) method to find the record in the list. This method asks the user to enter the id of the student record. Then this id is checked to make sure it really exists. If the record is found, the information of the target student will be displayed. If the record is not found the message "The record doesn't exist." will be displayed.
static void find(student[] st, int itemcount)
{
  string id;
  Console.Write("Enter student's ID:");
  id=Console.ReadLine();

  int index=search(st,id.ToString(),itemcount);
  if (index != -1)
  {
    Console.Write("{0,-5}{1,-20}{2,-5}", st[index].stnumber, st[index].stname, st[index].sex);
    Console.Write("{0,-5}{1,-5}{2,-5}", st[index].quizz1, st[index].quizz2, st[index].assigment);
    Console.Write("{0,-5}{1,-5}{2,-5}", st[index].midterm, st[index].final, st[index].total);
    Console.WriteLine(); 

}
  else Console.WriteLine("The record doesn't exits.");

}