private void button2_Click(object sender, EventArgs e)
{
//Dictionary<int, string> testDictionary = new Dictionary<int, string>();
//testDictionary.Add(123, "강병준");
//testDictionary.Add(124, "고명민");
//List<int> keys = testDictionary.Keys.ToList(); //딕셔너리 키를 모두 리스트로 만들기
//for (int i = 0; i < testDictionary.Count; i++)
//{
// string name = testDictionary[keys[i]]; //리스트로 만든 키로 value로 접근
// MessageBox.Show(name);
//}
//foreach(int key in testDictionary.Keys) //foreach로 key 접근
//{
// string name = testDictionary[key];
// MessageBox.Show(name);
//}
//foreach (var item in testDictionary) //foreach로 딕셔너리 요소(키 벨류 묶음)에 접근
//{
// string name = item.Value;
// int key = item.Key;
// MessageBox.Show(key.ToString() + " " + name); //키를 문자열로 만들고 value랑 합쳐서 출력
//}
/*********************************************************************************************************************************/
Dictionary <int, CStudent> studentData = new Dictionary <int, CStudent>();
CStudent student = new CStudent();
student.name = "강병준";
student.age = 34;
studentData.Add(1234, student);
student = new CStudent();
student.name = "고명민";
student.age = 31;
studentData.Add(1235, student);
foreach (int key in studentData.Keys)
{
string name = studentData[key].name;
string age = " " + studentData[key].age.ToString();
MessageBox.Show(name + age);
}
}
private void button1_Click(object sender, EventArgs e)
{
string name = textBox1.Text;
int age = 0;
try
{
age = Convert.ToInt32(textBox2.Text);
CStudent student = new CStudent();
student.name = name;
student.age = age;
studentList.Add(student);
}
catch
{
MessageBox.Show("숫자만 입력해 주세요");
}
}
