protected void DdlPacket_SelectedindexChanged(object sender, EventArgs e)
{
Object QtyByProduct = new Object();
QtyByProduct.Product_Quantity = DdlPacket.SelectedValue;
QtyByProduct.Product_Name = HiddenProductName.Value;
QtyByProduct.Category_Name = HiddenCatagoryName.Value;
DataTable dt = BSLAYER.ProductByQty(QtyByProduct);
DataList1.DataSource = dt;
DataList1.DataBind();
}