private void btSuaPC_Click(object sender, EventArgs e)
{
if (txtMaPC.Text == "" || txtTenPC.Text == "" || txtTienPC.Text == "")
{
MessageBox.Show("Khong co du lieu");
return;
}
PhuCap pc = new PhuCap(txtMaPC.Text, txtTenPC.Text, int.Parse(txtTienPC.Text));
try
{
cnb.UpdatePhuCap(pc);
}
catch (Exception p)
{
MessageBox.Show(p.ToString());
}
}