//protected void grdSanPham_InitializeLayout(object sender, Infragistics.WebUI.UltraWebGrid.LayoutEventArgs e)
//{
// e.Layout.Grid.Columns.FromKey("Command").AllowRowFiltering = false;
// e.Layout.Grid.Columns.FromKey("TenSanPham").FilterOperatorDefaultValue = FilterComparisionOperator.Contains;
// e.Layout.Grid.Columns.FromKey("Dates").FilterOperatorDefaultValue = FilterComparisionOperator.Contains;
// e.Layout.Grid.Columns.FromKey("TenNhomSanPham").FilterOperatorDefaultValue = FilterComparisionOperator.Contains;
// //if (rbtTatCa.Checked == true)
// //{
// // e.Layout.Pager.AllowPaging = false;
// //}
// //else
// //{
// // e.Layout.Pager.AllowPaging = true;
// //}
//}
//protected void rbtPhanTrang_CheckedChanged(object sender, EventArgs e)
//{
// LoadData();
//}
//protected void rbtTatCa_CheckedChanged(object sender, EventArgs e)
//{
// LoadData();
//}
private void LoadGianHang()
{
CuaHang ch = new CuaHang();
DataSet ds = ch.SelectAll();
ddlGianHang.DataSource = ds.Tables[0];
ddlGianHang.DataTextField = "TenCuaHang";
ddlGianHang.DataValueField = "CuaHangID";
ddlGianHang.DataBind();
ddlGianHang.Items.Insert(0, "Tất cả gian hàng");
ddlGianHang.SelectedIndex = 0;
}