private void picAddLoaiNguyenLieu_Click(object sender, EventArgs e)
{
urcDanhSachLoaiNguyenLieu urcLoaiNguyenLieu = new urcDanhSachLoaiNguyenLieu();
urcLoaiNguyenLieu._ReloadDSNguyenLieu = new urcDanhSachLoaiNguyenLieu.ReLoadDSNguyenLieu(_reloadAllCbb);
if (!this.Controls.ContainsKey("urcLoaiNguyenLieu"))
{
this.Controls.Add(urcLoaiNguyenLieu);
urcLoaiNguyenLieu.BackColor = Color.White;
urcLoaiNguyenLieu.Top = 0;
urcLoaiNguyenLieu.Left = 0;
}
urcLoaiNguyenLieu.BringToFront();
}