public List <string> GetOverdue()
{
SqlConnection conn = DB.Connection();
conn.Open();
SqlCommand cmd = new SqlCommand("SELECT copy_id, due_date FROM checkout WHERE patron_id = @PatronId AND current_checkout = 1 AND due_date < @Today;", conn);
cmd.Parameters.Add(new SqlParameter("@PatronId", this.GetId().ToString()));
cmd.Parameters.Add(new SqlParameter("@Today", "2017-03-02"));
SqlDataReader rdr = cmd.ExecuteReader();
List <string> allDue = new List <string> {
};
while (rdr.Read())
{
int copyId = rdr.GetInt32(0);
Copy foundCopy = Copy.Find(copyId);
string foundTitle = foundCopy.GetBookTitle();
allDue.Add(foundTitle);
string dueDate = rdr.GetDateTime(1).ToString("yyyy-MM-dd");
allDue.Add(dueDate);
}
DB.CloseSqlConnection(rdr, conn);
return(allDue);
}