private void insertButton_Click(object sender, EventArgs e)
{
if (teacherNameTextBox.Text.Length != 0)
{
Teacher teacherObj = new Teacher();
teacherObj.NAME = teacherNameTextBox.Text;
TeacherData teacherData = new TeacherData();
teacherData.Insert(teacherObj);
populate();
}
}
private void populate()
{
TeacherData teacherData = new TeacherData();
TeacherDataGrid.DataSource = teacherData.getList();
}