//private List<string> st = new List<string> { "Tất Cả", "5", "10", "15", "20" };
private void frmHangHoa_Load(object sender, EventArgs e)
{
BUS_HangHoa hh = new BUS_HangHoa();
this.FormLoad();
//cbsoluongtrang.DataSource = st;
cbsoluongtrang.SelectedIndex = 4;
if (cbsoluongtrang.Text == "Tất Cả")
{
dgvHangHoa.DataSource = hh.DSHH();
lbtrang.Text = "";
btnlui.Enabled = false;
btntien.Enabled = false;
cbtrang.Enabled = false;
}
else
{
int t = hh.SoLuongTrang(int.Parse(cbsoluongtrang.Text));
cbtrang.DataSource = hh.DStrang(t);
lbtrang.Text = "Trang " + cbtrang.Text + "/" + t.ToString();
dgvHangHoa.DataSource = hh.DShanghoa(int.Parse(cbtrang.Text), int.Parse(cbsoluongtrang.Text));
if (int.Parse(cbtrang.Text) == 1)
{
btnlui.Enabled = false;
}
else
{
btnlui.Enabled = true;
}
if (int.Parse(cbtrang.Text) == t)
{
btntien.Enabled = false;
}
else
{
btntien.Enabled = true;
}
}
}
private void cbsoluongtrang_SelectedIndexChanged(object sender, EventArgs e)
{
BUS_HangHoa dl = new BUS_HangHoa();
if (cbsoluongtrang.Text == "Tất Cả")
{
dgvHangHoa.DataSource = dl.DSHH();
lbtrang.Text = "";
btnlui.Enabled = false;
btntien.Enabled = false;
cbtrang.Enabled = false;
}
else
{
cbtrang.Enabled = true;
int t = dl.SoLuongTrang(int.Parse(cbsoluongtrang.Text));
cbtrang.DataSource = dl.DStrang(t);
if (int.Parse(cbtrang.Text) == 1)
{
btnlui.Enabled = false;
}
else
{
btnlui.Enabled = true;
}
if (int.Parse(cbtrang.Text) == t)
{
btntien.Enabled = false;
}
else
{
btntien.Enabled = true;
}
dgvHangHoa.DataSource = dl.DShanghoa(int.Parse(cbtrang.Text), int.Parse(cbsoluongtrang.Text));
}
}