private void studentInsertButton_Click(object sender, EventArgs e)
        {
            if (nameTextBox.Text.Length != 0)
            {
                Student studentObj = new Student();
                studentObj.Name = nameTextBox.Text;

                StudentData studentData = new StudentData();
                studentData.Insert(studentObj);

                populate();
            }
        }
 private void populate()
 {
     StudentData studentData = new StudentData();
     studentDataGrid.DataSource = studentData.GetList();
 }