private void button1_Click(object sender, EventArgs e)
{
TimKiemSanPhamDataContext db = new TimKiemSanPhamDataContext();
var x = from y in db.SANPHAMs where y.TENSP.Contains(textBox1.Text) select y;
sANPHAMDataGridView.DataSource = x;
}
private void button1_Click(object sender, EventArgs e)
{
TimKiemSanPhamDataContext db = new TimKiemSanPhamDataContext();
var x = from y in db.KHUYENMAIs where y.MASP.Contains(textBox1.Text) select y;
kHUYENMAIDataGridView.DataSource = x;
}
private void button2_Click(object sender, EventArgs e)
{
if (textBox2.Text.Length != 0 && textBox3.Text.Length != 0)
{
TimKiemSanPhamDataContext db = new TimKiemSanPhamDataContext();
var y = from x in db.SANPHAMs where (x.DonGia >= (int.Parse(textBox2.Text))) where (x.DonGia <= (int.Parse(textBox3.Text))) select x;
sANPHAMDataGridView.DataSource = y;
}
else
{
MessageBox.Show("Vui lòng nhập đầy đủ thông tin");
}
}
