private void LoadData()
{
BookDB db = new BookDB();
DataTable dt = db.GetAllData();
db.Dispose();
dgvMember.DataSource = dt;
}
public void LoadData()
{
BookDB bookdb = new BookDB();
DataTable dt = bookdb.GetAllData();
bookdb.Dispose();
dataGridView1.DataSource = dt;
}
private void btnSelect_Click(object sender, EventArgs e)
{
BookDB db = new BookDB();
db.GetAllData();
}