public void func()
{
studentDTO s = new studentDTO();
StreamReader read = new StreamReader(@"d:\aa.csv", Encoding.Default);
string str = read.ReadToEnd();
string[] arr = str.Split('\n');
for (int i = 0; i < arr.Length; i++)
{
int j = 0;
string[] arr1 = arr[i].Split(',');
s.id = arr1[j++];
s.first_name = arr1[j++];
s.last_name = arr1[j++];
s.id_parent = arr1[j++];
s.code_class = int.Parse(arr1[j++]);
studentBL sBL = new studentBL();
sBL.AddStudent(s);
Console.WriteLine();
}
Console.ReadLine();
}
public void addStudent(studentDTO a)
{
studentBL studentListBL = new studentBL();
studentListBL.AddStudent(a);
}