public void GetBrandByProduct()
{
Object FillBrand = new Object();
FillBrand.Product_Name = HiddenProductName.Value;
FillBrand.Category_Name = HiddenCatagoryName.Value;
DataTable dt = BSLAYER.BrandFill(FillBrand);
DdlBrand.DataSource = dt;
DdlBrand.DataTextField = "Product_Brand";
DdlBrand.DataValueField = "Product_Brand";
DdlBrand.DataBind();
DdlBrand.Items.Insert(0, "--SORT BY BRAND--");
}