private void lueChungLoai_TextChanged(object sender, EventArgs e)
{
DataRowView row = lueChungLoai.Properties.GetDataSourceRowByKeyValue(lueChungLoai.EditValue) as DataRowView;
try
{
int machungloai = int.Parse(row.Row["MaChungLoai"].ToString());
lueLoaiHang.Properties.DataSource = LoaiHangService.GetByChungLoai(machungloai);
}
catch (Exception)
{
MessageBox.Show("Không thể lấy mã chủng loại!");
return;
}
}
private void lueChungLoai_TextChanged(object sender, EventArgs e)
{
int maChungLoai = -1;
DataRowView row = lueChungLoai.Properties.GetDataSourceRowByKeyValue(lueChungLoai.EditValue) as DataRowView;
try
{
maChungLoai = int.Parse(row.Row["MaChungLoai"].ToString());
}
catch (Exception)
{
MessageBox.Show("Không thể lấy mã!");
}
if (maChungLoai != -1)
{
DataTable temp = LoaiHangService.GetByChungLoai(maChungLoai);
if (temp.Rows.Count > 0)
{
dtLoaiHang.Rows.Clear();
DataRow dr = dtLoaiHang.NewRow();
dr[0] = 0;
dr[1] = "Tất cả";
dtLoaiHang.Rows.Add(dr);
for (int i = 0; i < temp.Rows.Count; i++)
{
DataRow dr1 = dtLoaiHang.NewRow();
dr1[0] = temp.Rows[i].Field <int>("MaLoaiHang");
dr1[1] = temp.Rows[i].Field <string>("TenLoaiHang");
dtLoaiHang.Rows.Add(dr1);
}
lbcLoaiHang.DataSource = dtLoaiHang;
}
else
{
lbcLoaiHang.DataSource = temp;
}
}
}
