private void AttendenceDetail_Load(object sender, EventArgs e)
{
ClassAttendence classAttendence = new ClassAttendence();
dgvClassAttendence.DataSource = classAttendence.Showdata();
dgvClassAttendence.Columns.Add(classAttendence.Editbtn());
dgvClassAttendence.Columns.Add(classAttendence.Deletebtn());
}
private void btnUpdate_Click(object sender, EventArgs e)
{
ClassAttendence classattend = new ClassAttendence();
dgvClassAttendence.DataSource = classattend.Showdata();
}