public void TaiDuLieu()
{
clsFunction f1 = new clsFunction();
sql = "SELECT * FROM BH_HS";
dgvHocSinh.DataSource = f1.GetData(sql);
}
private void txtTimKiem_KeyUp(object sender, KeyEventArgs e)
{
clsFunction f1 = new clsFunction();
sql = "SELECT * FROM BH_HS WHERE Gioitinh like '" + txtTimKiem.Text + "'";
dgvHocSinh.DataSource = f1.GetData(sql);
}
public void read_BacHoc()
{
clsFunction f1 = new clsFunction();
sql = "SELECT MaBH,TenBH FROM BAC_HOC";
cbBacHoc.DisplayMember = "TenBH";
cbBacHoc.ValueMember = "MaBH";
cbBacHoc.DataSource = f1.GetData(sql);
}
