private void AddStudent()
{
StudentNameToAdd.Trim();
if (StudentNameToAdd == "")
{
throw new ArgumentException("Please type in a name for the student.");
}
if (StudentNameToAdd.Length < 10)
{
throw new ArgumentException("We only take students whose name is longer than 10 characters.");
}
if ((StudentScoreToAdd < 60) || (StudentScoreToAdd > 100))
{
throw new ArgumentException("We only take students whose score is between 60 and 100. please give a valid score");
}
DateTime Now = DateTime.Now;
StringBuilder SB = new StringBuilder();
SB.Append("Student ");
SB.Append(StudentNameToAdd);
SB.Append(" is added @ ");
SB.Append(Now.ToString());
Students.AddAStudent(StudentNameToAdd, StudentScoreToAdd, Now, SB.ToString());
}